DEHNpipe

Surge arresters to be screwed onto field devices

Parallel or series connection
Made of corrosion-resistant stainless steel
Arrester for protecting a second interface (data or power side) available

Types for Ex (i) and Ex (d) applications

For protecting intrinsically safe measuring circuits and bus systems Ex (i)
Type in a flameproof enclosure Ex (d)

Variety of approvalsApprovals depending on the arrester: IECEx, ATEX, FISCO, CSA Hazloc

Details

Robust type made of corrosion-resistant stainless steel.

lorem ipsum — Robust type made of corrosion-resistant stainless steel.

DPI MD

Energy-coordinated two-stage arrester, no leakage currents to earth, for 4-20 mA interfaces with M20 x 1.5 thread (female/male). Direct, indirect or no shield earthing. Cable gland available as an accessory.

1 Product

Part No. 929941 DPI MD 24 M 2S

GTIN 4013364098152, Customs tariff No. (EU): 85363010, Gross weight: 187.40 g, PU: 1.00 pc(s)

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CAD files

DEHNpipe DPI MD 24 M 2S leakage-current-free two-stage arrester
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21 and energy coordinated
acc. to IEC 61643-22, in V2A, IP67, two-part
enclosure design, for screwing into 2-conductor
process field devices, for serial protection of
interfaces acc. to NAMUR NE 21
Max. continuous operating voltage (d.c.): 34.8 V
Nominal current: 0.5 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 14 MHz

Brand: DEHN
Type: DPI MD 24 M 2S
Part No.: 929941
or equivalent.

Certificates

Technical data

SPD class	Q
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	14 MHz
For mounting on (field / device side)	M20 x 1.5 female thread / M20 x 1.5 male thread
Approvals	SIL
*⁾ For details see: www.dehn-international.com

SPD class	Q
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Max. continuous operating voltage (a.c.) (U_C )	24.5 V
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) shield-PG (I_n )	20 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 65 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 650 V
Voltage protection level shield-PG for I_nC2 (U_P )	≤ 650 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 500 V
Voltage protection level shield-PG at 1 kV/µs C3 (U_P )	≤ 600 V
Cut-off frequency line-line (f_G )	14 MHz
Capacitance line-line (C)	≤ 400 pF
Capacitance line-PG (C)	≤ 20 pF
Capacitance shield-PG (C)	≤ 15 pF
Series resistance per line	2.2 ohms
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection with cable gland	IP 67
For mounting on (field / device side)	M20 x 1.5 female thread / M20 x 1.5 male thread
Connection (input / output)	screw / connecting lines (1.5 mm²)
Length of the connecting lead	200 mm
Cross-sectional area, solid	0.08-2.5 mm²
Cross-sectional area, flexible	0.08-1.5 mm²
Earthing via	enclosure or earthing ring (accessories)
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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DPI ME

Energy-coordinated two-stage arrester with gas discharge tube and diodes to earth. For unbalanced interfaces with 1/2-14 NPT thread (male/male). The earthing conductor is led through the surge arrester.

1 Product

Part No. 929921 DPI ME 24 N A2G

GTIN 4013364098169, Customs tariff No. (EU): 85363010, Gross weight: 255.20 g, PU: 1.00 pc(s)

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CAD files

Coordinated two-stage arrester DEHNpipe DPI ME 24 N A2G
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21 and energy coordinated
acc. to IEC 61643-22, in V2A, IP67, for screwing
into 2-conductor process field devices, for the
protection of unbalanced interfaces as well as bus
systems
Max. continuous operating voltage (d.c.): 34.8 V
Nominal current: 0.5 A
C2 Total nominal discharge current (8/20 µs): 10 kA

Brand: DEHN
Type: DPI ME 24 N A2G
Part No.: 929921
or equivalent.

Certificates

Technical data

SPD class	Q
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
For mounting on (field / device side)	¹/₂-14 NPT male thread / ¹/₂-14 NPT male thread
Approvals	UL, SIL
*⁾ For details see: www.dehn-international.com

SPD class	Q
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Max. continuous operating voltage (a.c.) (U_C )	24.5 V
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 120 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 65 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 98 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 49 V
Capacitance line-line (C)	≤ 250 pF
Capacitance line-PG (C)	≤ 450 pF
Series resistance per line	4.7 ohms
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 NPT male thread / ¹/₂-14 NPT male thread
Connection (input / output)	connecting lines AWG 16
Length of the connecting lead	500 mm
Earthing via	enclosure and connecting line
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	UL, SIL
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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DPI MD EX

Energy-coordinated two-stage surge arrester with low-capacitance protective circuit for protecting intrinsically safe measuring circuits and bus systems, meets FISCO requirements. Insulation strength > 500 V to earth. Cable glands must be ordered separately.

2 Products

Part No. 929960 DPI MD EX 24 M 2

GTIN 4013364098145, Customs tariff No. (EU): 85363010, Gross weight: 185.80 g, PU: 1.00 pc(s)

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CAD files

Coordinated two-stage arrester DEHNpipe DPI MD EX 24 M 2
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21 and energy coordinated
acc. to IEC 61643-22, in V2A, IP67, two-part
enclosure design in Ex(i) version, for screwing
into 2-conductor process field devices, for serial
protection of intrinsically safe interfaces acc. to
NAMUR NE 21

Max. continuous operating voltage (d.c.): 34.8 V
Nominal current: 0.5 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 7 MHz

Brand: DEHN
Type: DPI MD EX 24 M 2
Part No.: 929960
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	7 MHz
For mounting on (field / device side)	M20 x 1.5 female thread / M20 x 1.5 male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Max. continuous operating voltage (a.c.) (U_C )	24.5 V
Max. input voltage acc. to EN 60079-11 (U_i )	30 V
Max. input current acc. to EN 60079-11 (I_i )	0.5 A
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	5 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 55 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1100 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 49 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1000 V
Cut-off frequency line-line (f_G )	7 MHz
Capacitance line-line (C)	≤ 850 pF
Capacitance line-PG (C)	≤ 15 pF
Series resistance per line	1.8 ohms
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 female thread / M20 x 1.5 male thread
Connection (input / output)	screw / connecting lines (1.5 mm²)
Length of the connecting lead	200 mm
Cross-sectional area, solid	0.08-2.5 mm²
Cross-sectional area, flexible	0.08-1.5 mm²
Earthing via	enclosure
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	DEKRA 11ATEX0076 X: II 2 (1) G Ex ia [ia Ga] IIC T4 ... T6 Gb
IECEx approvals	DEK 11.0025X: Ex ia [ia Ga] IIC T4 ... T6 Gb
CSA & USA Hazloc approvals (1)	CSA17CA.70144338: Ex ia [ia Ga] IIC T4 … T6 Gb
CSA & USA Hazloc approvals (2)	CSA17CA.70144338: Class I Div 1; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001027
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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Part No. 929965 DPI MD EX 24 N 2

GTIN 4013364360778, Customs tariff No. (EU): 85363010, Gross weight: 185.00 g, PU: 1.00 pc(s)

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Coordinated two-stage arrester DEHNpipe DPI MD EX 24 N 2
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21 and energy coordinated
acc. to IEC 61643-22, in V2A, IP67, two-part
enclosure design in Ex(i) version, for screwing
into 2-conductor process field devices, for serial
protection of intrinsically safe interfaces acc. to
NAMUR NE 21

Max. continuous operating voltage (d.c.): 34.8 V
Nominal current: 0.5 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 7 MHz

Brand: DEHN
Type: DPI MD EX 24 N 2
Part No.: 929965
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	7 MHz
For mounting on (field / device side)	¹/₂-14 NPT female thread / ¹/₂-14 NPT male thread
Approvals	ATEX, IECEx, CCC, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	34.8 V
Max. continuous operating voltage (a.c.) (U_C )	24.5 V
Max. input voltage acc. to EN 60079-11 (U_i )	30 V
Max. input current acc. to EN 60079-11 (I_i )	0.5 A
Nominal current (I_L )	0.5 A
D1 Lightning impulse current (10/350 µs) per line (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	5 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 55 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1100 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 49 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1000 V
Cut-off frequency line-line (f_G )	7 MHz
Capacitance line-line (C)	≤ 850 pF
Capacitance line-PG (C)	≤ 15 pF
Series resistance per line	1.8 ohms
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 NPT female thread / ¹/₂-14 NPT male thread
Connection (input / output)	screw / connecting lines (1.5 mm²)
Length of the connecting lead	200 mm
Cross-sectional area, solid	0.08-2.5 mm²
Cross-sectional area, flexible	0.08-1.5 mm²
Earthing via	enclosure
Enclosure material	NIRO (V2A)
Colour	bare
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, SIL
ATEX approvals	DEKRA 11ATEX0076 X: II 2 (1) G Ex ia [ia Ga] IIC T4 ... T6 Gb
IECEx approvals	DEK 11.0025X: Ex ia [ia Ga] IIC T4 ... T6 Gb
China Compulsory Certification	CCC No. 2021312304001027
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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DPI CD EXI

Surge arrester with a low-capacitance protective circuit for protecting intrinsically safe measuring circuits and bus systems, meets FISCO requirements. Insulation strength > 500 V to earth.

2 Products

Part No. 929961 DPI CD EXI 24 M

GTIN 4013364101784, Customs tariff No. (EU): 85363010, Gross weight: 183.00 g, PU: 1.00 pc(s)

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CAD files

Surge arrester DEHNpipe CD EX (i) DPI CD EXI 24 M
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21 and energy coordinated
acc. to IEC 61643-22, in V2A, IP67, Ex(i)-version,
for screwing into 2-conductor process field devices,
parallel protection of a floating pair as well as
intrinsically safe bus systems
Max. continuous operating voltage (d.c.): 32 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 67 MHz

Brand: DEHN
Type: DPI CD EXI 24 M
Part No.: 929961
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	32 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	67 MHz
For mounting on (field / device side)	M20 x 1.5 male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	32 V
Max. continuous operating voltage (a.c.) (U_C )	22.6 V
Max. input voltage acc. to EN 60079-11 (U_i )	30 V
Max. input current acc. to EN 60079-11 (I_i )	0.55 A
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) line-line (I_n )	150 A
C2 Nominal discharge current (8/20 µs) line-PG (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 58 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1700 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Cut-off frequency line-line (f_G )	67 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-50 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V4A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 04ATEX1189 X: II 2 (1) G Ex ia [ia Ga] IIC T5 ... T6 Gb
IECEx approvals	KEM 09.0076X: Ex ia [ia Ga] IIC T5 ... T6 Gb
CSA & USA Hazloc approvals (1)	CSA 13.70000407: Ex ia [ia] IIC T5 … T6
CSA & USA Hazloc approvals (2)	CSA 13.70000407: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001030
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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Part No. 929963 DPI CD EXI 24 N

GTIN 4013364101807, Customs tariff No. (EU): 85363010, Gross weight: 196.00 g, PU: 1.00 pc(s)

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Additional information

CAD files

Surge arrester DEHNpipe CD EX (i) DPI CD EXI 24 N
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21 and energy coordinated
acc. to IEC 61643-22, in V2A, IP67, Ex(i)-version,
for screwing into 2-conductor process field devices,
parallel protection of a floating pair as well as
intrinsically safe bus systems
Max. continuous operating voltage (d.c.): 32 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 67 MHz

Brand: DEHN
Type: DPI CD EXI 24 N
Part No.: 929963
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	32 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	67 MHz
For mounting on (field / device side)	¹/₂-14 NPT male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	32 V
Max. continuous operating voltage (a.c.) (U_C )	22.6 V
Max. input voltage acc. to EN 60079-11 (U_i )	30 V
Max. input current acc. to EN 60079-11 (I_i )	0.55 A
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) line-line (I_n )	150 A
C2 Nominal discharge current (8/20 µs) line-PG (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 58 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1700 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Cut-off frequency line-line (f_G )	67 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-50 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 NPT male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V4A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 04ATEX1189 X: II 2 (1) G Ex ia [ia Ga] IIC T5 ... T6 Gb
IECEx approvals	KEM 09.0076X: Ex ia [ia Ga] IIC T5 ... T6 Gb
CSA & USA Hazloc approvals (1)	CSA 13.70000407: Ex ia [ia] IIC T5 … T6
CSA & USA Hazloc approvals (2)	CSA 13.70000407: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001030
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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DPI CD EXD

Flameproof surge arrester with a low-capacitance protective circuit for protecting measuring circuits and bus systems in potentially explosive atmospheres. Insulation strength > 500 V to earth. Certified to CSA and USA Hazloc standards.

2 Products

Part No. 929962 DPI CD EXD 24 M

GTIN 4013364101791, Customs tariff No. (EU): 85363010, Gross weight: 183.00 g, PU: 1.00 pc(s)

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CAD files

Surge arrester DEHNpipe CD Ex (d) DPI CD EXD 24 M
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21, in V4A, IP67,
Ex(d)-version, for screwing into 2-conductor
process field devices, parallel protection of a
floating pair as well as bus systems in
Ex zone 1 or 2
Max. continuous operating voltage (d.c.): 32 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 67 MHz

Brand: DEHN
Type: DPI CD EXD 24 M
Part No.: 929962
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	32 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	67 MHz
For mounting on (field / device side)	M20 x 1.5 male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*) For more detailed information, please visit www.dehn-international.com.

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	32 V
Max. continuous operating voltage (a.c.) (U_C )	22.6 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 58 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1700 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Cut-off frequency line-line (f_G )	67 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-50 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V4A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 04ATEX2190 X: II 2 G Ex db IIC T5 or T6 Gb
IECEx approvals	KEM 09.0064X: Ex db IIC T5 or T6 Gb
CSA & USA Hazloc approvals (1)	CSA 10.2317168: Ex d IIC T4 ... T6
CSA & USA Hazloc approvals (2)	CSA 10.2317168: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001029
SIL classification	up to SIL3 *⁾
*) For more detailed information, please visit www.dehn-international.com.

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Part No. 929964 DPI CD EXD 24 N

GTIN 4013364101814, Customs tariff No. (EU): 85363010, Gross weight: 183.00 g, PU: 1.00 pc(s)

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CAD files

Surge arrester DEHNpipe CD Ex (d) DPI CD EXD 24 N
Surge arrester DEHNpipe, SPD class TYPE 2/1,
tested acc. to EN 61643-21, in V4A, IP67,
Ex(d)-version, for screwing into 2-conductor
process field devices, parallel protection of a
floating pair as well as bus systems in
Ex zone 1 or 2
Max. continuous operating voltage (d.c.): 32 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 10 kA
Cut-off frequency line-line: 67 MHz

Brand: DEHN
Type: DPI CD EXD 24 N
Part No.: 929964
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	32 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	67 MHz
For mounting on (field / device side)	¹/₂-14 NPT male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*) For more detailed information, please visit www.dehn-international.com.

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	32 V
Max. continuous operating voltage (a.c.) (U_C )	22.6 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 58 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1700 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Cut-off frequency line-line (f_G )	67 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-50 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 NPT male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V4A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 04ATEX2190 X: II 2 G Ex db IIC T5 or T6 Gb
IECEx approvals	KEM 09.0064X: Ex db IIC T5 or T6 Gb
CSA & USA Hazloc approvals (1)	CSA 10.2317168: Ex d IIC T4 ... T6
CSA & USA Hazloc approvals (2)	CSA 10.2317168: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001029
SIL classification	up to SIL3 *⁾
*) For more detailed information, please visit www.dehn-international.com.

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DPI CD HF EXD

Flameproof surge arrester with an energy-coordinated low-capacitance protective circuit for protecting measuring circuits and bus systems in potentially explosive atmospheres.

1 Product

Part No. 929971 DPI CD HF EXD 5 M

GTIN 4013364120761, Customs tariff No. (EU): 85363010, Gross weight: 285.60 g, PU: 1.00 pc(s)

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CAD files

Surge arrester DEHNpipe CD Ex (d) DPI CD HF EXD 5 M
DEHNpipe surge arrester of SPD class Type 2 / P1,
tested in accordance with EN 61643-21, V4A, IP 67,
available as Ex (d) type, to be screwed onto 2-
conductor field devices, serial protection of an
unearthed pair and bus systems in explosion
protection zone 1 or 2.

Max. continuous operating voltage (d.c.): 6 V
Nominal current at 80 °C: 0.1 A
C2 Total nominal discharge current (8/20 µs): 20 kA
Cut-off frequency line-line: 100 MHz

Brand: DEHN
Type: DPI CD HF EXD 5 M
Part No.: 929971
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	6 V
Nominal current at 80 °C (I_L )	0.1 A
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Cut-off frequency line-line (f_G )	100 MHz
For mounting on (field / device side)	M20 x 1.5 male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*) For more detailed information, please visit www.dehn-international.com.

SPD class	T
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 80 °C (I_L )	0.1 A
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 55 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 1000 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 12 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 700 V
Cut-off frequency line-line (f_G )	100 MHz
Capacitance line-line (C)	≤ 40 pF
Capacitance line-PG (C)	≤ 30 pF
Series resistance per line	4.7 ohms
Operating temperature range (T_U) for ATEX / IECEx	-50 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	300 mm
Earthing via	connecting line
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 04ATEX2190 X: II 2 G Ex db IIC T5 or T6 Gb
IECEx approvals	KEM 09.0064X: Ex db IIC T5 or T6 Gb
China Compulsory Certification	CCC No. 2021312304001029
SIL classification	bis SIL3 *⁾
*) For more detailed information, please visit www.dehn-international.com.

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DPI CD EXD 230 24

Flameproof surge arrester for the data and power side for protecting one 120 / 230 V power supply system and one 24 V data interface of field devices in potentially explosive areas (zones 1 and 2).
Additional safety due to fault-proof Y circuit for 120 / 230 V power supply systems.

II 2 G Ex d IIC T5/T6 version universally applicable in hazardous zones 1 and 2. Certified to CSA and USA Hazloc standards.

2 Products

Part No. 929969 DPI CD EXD 230 24 M

GTIN 4013364127418, Customs tariff No. (EU): 85363010, Gross weight: 280.00 g, PU: 1.00 pc(s)

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CAD files

Dual surge arrester DEHNpipe CD Ex (d) DPI CD EXD 230 24 M
DEHNpipe
dual type 2 and type 2 / P2 surge arrester,
tested in accordance with EN 61643-11 and -21,
in V4A, IP 67, Ex (d) version,
to be screwed onto two-conductor field devices
with voltage supply connection,
parallel protection of 230 V power supply systems
and 0/4-20 mA interfaces in hazardous zone 1 or 2

Max. continuous operating voltage (d.c.): 32 V
Nominal current at 80 °C: 0.55 A
C2 Total nominal discharge current (8/20 µs): 10 kA

Brand: DEHN
Type: DPI CD EXD 230 24 M
Part No.: 929969
or equivalent.

Certificates

Technical data

Protection of the data side
SPD class	U
Max. continuous operating voltage (d.c.) (U_C )	32 V
Nominal current at 80 °C (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
For mounting on (field / device side)	M20 x 1.5 male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*) For more detailed information, please visit www.dehn.de.
Protection of the power side
SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	255 V
Total discharge current (8/20 µs) L+N-PE (I_total )	5 kA
Voltage protection level L-N (U_P )	≤ 1.4 kV
Max. mains-side overcurrent protection	16 A gG or B 16 A

Protection of the data side
SPD class	U
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	32 V
Max. continuous operating voltage (a.c.) (U_C )	22.6 V
Nominal current at 80 °C (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 58 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 900 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 850 V
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting line	250 mm
Earthing via	connecting line
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 10ATEX0114 X: II 2 G Ex db IIC T5/T6 Gb
IECEx approvals	DEK 11.0006X: Ex db IIC T5 or T6 Gb
CSA & USA Hazloc approvals (1)	CSA 10.2317168: Ex d IIC T4 ... T6
CSA & USA Hazloc approvals (2)	CSA 10.2317168: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001026
SIL classification	up to SIL3 *)
*) For more detailed information, please visit www.dehn.de.
Protection of the power side
SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Nominal voltage (a.c.) (U_N )	120/230 V
Max. continuous operating voltage (a.c.) (U_C )	255 V
Nominal discharge current (8/20 µs) L-N (I_n )	3 kA
Total discharge current (8/20 µs) L+N-PE (I_total )	5 kA
Voltage protection level L-N (U_P )	≤ 1.4 kV
Voltage protection level L/N-PE (U_P )	≤ 1.5 kV
Max. discharge current L-N (I_max )	3 kA
Max. mains-side overcurrent protection	16 A gG or B 16 A
Short-circuit withstand capability for mains-side overcurrent protection with 16 A gG	6 kA_rms
Temporary overvoltage (TOV) L-N (U_T )	335 V / 5 sec.
Temporary overvoltage (TOV) L/N-PE (1) (U_T )	400 V / 5 sec.
Temporary overvoltage (TOV) L/N-PE (2) (U_T )	1200 V+U_CS/ 200 ms
Indication of the disconnector	upstream fuse

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Part No. 929970 DPI CD EXD 230 24 N

GTIN 4013364127425, Customs tariff No. (EU): 85363010, Gross weight: 273.00 g, PU: 1.00 pc(s)

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Additional information

CAD files

Dual surge arrester DEHNpipe CD Ex (d) DPI CD EXD 230 24 N
DEHNpipe
dual type 2 and type 2 / P2 surge arrester,
tested in accordance with EN 61643-11 and -21,
in V4A, IP 67, Ex (d) version,
to be screwed onto two-conductor field devices
with voltage supply connection,
parallel protection of 230 V power supply systems
and 0/4-20 mA interfaces in hazardous zone 1 or 2

Max. continuous operating voltage (d.c.): 32 V
Nominal current at 80 °C: 0.55 A
C2 Total nominal discharge current (8/20 µs): 10 kA

Brand: DEHN
Type: DPI CD EXD 230 24 N
Part No.: 929970
or equivalent.

Certificates

Technical data

Protection of the data side
SPD class	U
Max. continuous operating voltage (d.c.) (U_C )	32 V
Nominal current at 80 °C (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
For mounting on (field / device side)	¹/₂-14 npt male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*) For more detailed information, please visit www.dehn.de.
Protection of the power side
SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	255 V
Total discharge current (8/20 µs) L+N-PE (I_total )	5 kA
Voltage protection level L-N (U_P )	≤ 1.4 kV
Max. mains-side overcurrent protection	16 A gG or B 16 A

Protection of the data side
SPD class	U
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	32 V
Max. continuous operating voltage (a.c.) (U_C )	22.6 V
Nominal current at 80 °C (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 58 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 900 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 850 V
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 npt male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting line	250 mm
Earthing via	connecting line
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals	KEMA 10ATEX0114 X: II 2 G Ex db IIC T5/T6 Gb
IECEx approvals	DEK 11.0006X: Ex db IIC T5 or T6 Gb
CSA & USA Hazloc approvals (1)	CSA 10.2317168: Ex d IIC T4 ... T6
CSA & USA Hazloc approvals (2)	CSA 10.2317168: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification	CCC No. 2021312304001026
SIL classification	up to SIL3 *)
*) For more detailed information, please visit www.dehn.de.
Protection of the power side
SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Nominal voltage (a.c.) (U_N )	120 / 230 V
Max. continuous operating voltage (a.c.) (U_C )	255 V
Nominal discharge current (8/20 µs) L-N (I_n )	3 kA
Total discharge current (8/20 µs) L+N-PE (I_total )	5 kA
Voltage protection level L-N (U_P )	≤ 1.4 kV
Voltage protection level L/N-PE (U_P )	≤ 1.5 kV
Max. discharge current L-N (I_max )	3 kA
Max. mains-side overcurrent protection	16 A gG or B 16 A
Short-circuit withstand capability for mains-side overcurrent protection with 16 A gG	6 kA_rms
Temporary overvoltage (TOV) L-N (U_T )	335 V / 5 sec.
Temporary overvoltage (TOV) L/N-PE (1) (U_T )	400 V / 5 sec.
Temporary overvoltage (TOV) L/N-PE (2) (U_T )	1200 V+U_CS/ 200 ms
Indication of the disconnector	upstream fuse

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DPI CD EXI+D 2X24

Flameproof surge arrester for protecting two 24 V interfaces in potentially explosive atmospheres.

2 Products

Part No. 929950 DPI CD EXI+D 2X24 M

GTIN 4013364137387, Customs tariff No. (EU): 85363010, Gross weight: 247.00 g, PU: 1.00 pc(s)

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CAD files

Surge arrester DEHNpipe CD EX (i) + Ex (d) DPI CD EXI+D 2X24 M
DEHNpipe surge arrester
SPD class: type 2 / P1
tested to EN 61643-21, V4A, IP 67,
Ex (i) + (d) version,
To be screwed onto field devices
For protecting two unearthed
signal circuits or the supply circuit
of the field device and a signal circuit
in Ex zone 1 or 2.
Max. continuous operating voltage (d.c.): 36 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 20 kA

Brand: DEHN
Type: DPI CD EXI+D 2X24 M
Part No.: 929950
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	36 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
For mounting on (field / device side)	M20 x 1.5 male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	36 V
Max. continuous operating voltage (a.c.) (U_C )	25.4 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) line-PG (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 65 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 2000 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Capacitance line-line (C)	≤ 2000 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals (1)	DEKRA 11ATEX0207 X: II 2 (1) G Ex ia [ia Ga] IIC T5 / T6 Gb
ATEX approvals (2)	DEKRA 11ATEX0217 X: II 2 G Ex db IIC T5 / T6 Gb
IECEx approvals (1)	DEK 11.0076X: Ex ia [ia Ga] IIC T5 / T6 Gb
IECEx approvals (2)	DEK 11.0079X: Ex db IIC T5 / T6 Gb
CSA & USA Hazloc approvals (1)	CSA 13.70000407: Ex ia [ia] IIC T5 … T6
CSA & USA Hazloc approvals (2)	CSA 13.70000407: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification (1)	CCC No. 2021312304001028 (Ex ia)
China Compulsory Certification (2)	CCC No. 2021312304001025 (Ex d)
SIL classification	up to SIL3 ^*)
*⁾ For details see: www.dehn-international.com

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Part No. 929951 DPI CD EXI+D 2X24 N

GTIN 4013364137394, Customs tariff No. (EU): 85363010, Gross weight: 247.00 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

Surge arrester DEHNpipe CD EX (i) + Ex (d) DPI CD EXI+D 2X24 N
DEHNpipe surge arrester
SPD class: type 2 / P1
tested to EN 61643-21, V4A, IP 67,
Ex (i) + (d) version,
To be screwed onto field devices
For protecting two unearthed
signal circuits or the supply circuit
of the field device and a signal circuit
in Ex zone 1 or 2.
Max. continuous operating voltage (d.c.): 36 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 20 kA

Brand: DEHN
Type: DPI CD EXI+D 2X24 N
Part No.: 929951
or equivalent.

Certificates

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	36 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
For mounting on (field / device side)	¹/₂-14 NPT male thread
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	36 V
Max. continuous operating voltage (a.c.) (U_C )	25.4 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) line-PG (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 65 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 2000 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 50 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Capacitance line-line (C)	≤ 2000 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 NPT male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V2A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
ATEX approvals (1)	DEKRA 11ATEX0207 X: II 2 (1) G Ex ia [ia Ga] IIC T5 / T6 Gb
ATEX approvals (2)	DEKRA 11ATEX0217 X: II 2 G Ex db IIC T5 / T6 Gb
IECEx approvals (1)	DEK 11.0076X: Ex ia [ia Ga] IIC T5 / T6 Gb
IECEx approvals (2)	DEK 11.0079X: Ex db IIC T5 / T6 Gb
CSA & USA Hazloc approvals (1)	CSA 13.70000407: Ex ia [ia] IIC T5 … T6
CSA & USA Hazloc approvals (2)	CSA 13.70000407: Class I Div 1, 2; Class I Zone 1
China Compulsory Certification (1)	CCC No. 2021312304001028 (Ex ia)
China Compulsory Certification (2)	CCC No. 2021312304001025 (Ex d)
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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DPI CD EXI+D 2X48

Flameproof surge arrester for protecting two 48 V interfaces in potentially explosive atmospheres.

2 Products

Part No. 929952 DPI CD EXI+D 2X48 M

GTIN 4013364137400, Customs tariff No. (EU): 85363010, Gross weight: 247.00 g, PU: 1.00 pc(s)

Images

Additional information

Surge arrester DEHNpipe CD Ex (i) + Ex (d) DPI CD EXI+D 2x48 M
DEHNpipe surge arrester
SPD class: type 2 / P1
tested to EN 61643-21, V4A, IP 67,
Ex (i) + (d) version,
To be screwed onto field devices
For protecting two unearthed
signal circuits or the supply circuit
of the field device and a signal circuit
in Ex zone 1 or 2.
Max. continuous operating voltage (d.c.): 58 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 20 kA

Brand: DEHN
Type: DPI CD EXI+D 2X48 M
Part No.: 929952
or equivalent.

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	58 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
For mounting on (field / device side)	M20 x 1.5 male thread
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	58 V
Max. continuous operating voltage (a.c.) (U_C )	41 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) line-PG (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 95 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 2000 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 80 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Capacitance line-line (C)	≤ 1200 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	M20 x 1.5 male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V4A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
ATEX approvals (1)	DEKRA 11ATEX0207 X: II 2 (1) G Ex ia [ia Ga] IIC T5 / T6 Gb
ATEX approvals (2)	DEKRA 11ATEX0217 X: II 2 G Ex d IIC T5 / T6 Gb
IECEx approvals (1)	DEK 11.0076X: Ex ia [ia Ga ] IIC T5 / T6 Gb
IECEx approvals (2)	DEK 11.0079X: Ex d IIC T5 or T6 Gb
CSA & USA Hazloc approvals (1)	CSA 13.70000407: Ex ia [ia] IIC T5 … T6
CSA & USA Hazloc approvals (2)	CSA 13.70000407: Class I Div 1, 2; Class I Zone 1
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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Part No. 929953 DPI CD EXI+D 2X48 N

GTIN 4013364137417, Customs tariff No. (EU): 85363010, Gross weight: 247.00 g, PU: 1.00 pc(s)

Images

Additional information

Surge arrester DEHNpipe CD Ex (i) + Ex (d) DPI CD EXI+D 2x48 N
DEHNpipe surge arrester
SPD class: type 2 / P1
tested to EN 61643-21, V4A, IP 67,
Ex (i) + (d) version,
To be screwed onto field devices
For protecting two unearthed
signal circuits or the supply circuit
of the field device and a signal circuit
in Ex zone 1 or 2.
Max. continuous operating voltage (d.c.): 58 V
Nominal current: 0.55 A
C2 Total nominal discharge current (8/20 µs): 20 kA

Brand: DEHN
Type: DPI CD EXI+D 2X48 N
Part No.: 929953
or equivalent.

Technical data

SPD class	T
Max. continuous operating voltage (d.c.) (U_C )	58 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
For mounting on (field / device side)	¹/₂-14 NPT male thread
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For details see: www.dehn-international.com

SPD class	T
Nominal voltage (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	58 V
Max. continuous operating voltage (a.c.) (U_C )	41 V
Nominal current (I_L )	0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (I_imp )	1.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) line-PG (I_n )	10 kA
Voltage protection level line-line for I_nC2 (U_P )	≤ 95 V
Voltage protection level line-PG for I_nC2 (U_P )	≤ 2000 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 80 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Capacitance line-line (C)	≤ 1200 pF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection	IP 67
For mounting on (field / device side)	¹/₂-14 NPT male thread
Connection	connecting lines (1.3 mm²)
Length of the connecting lead	250 mm
Earthing via	connecting line
Enclosure material	StSt (V4A)
Colour	bare surface
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
ATEX approvals (1)	DEKRA 11ATEX0207 X: II 2 (1) G Ex ia [ia Ga] IIC T5 / T6 Gb
ATEX approvals (2)	DEKRA 11ATEX0217 X: II 2 G Ex d IIC T5 / T6 Gb
IECEx approvals (1)	DEK 11.0076X: Ex ia [ia Ga ] IIC T5 / T6 Gb
IECEx approvals (2)	DEK 11.0079X: Ex d IIC T5 / T6 Gb
CSA & USA Hazloc approvals (1)	CSA 13.70000407: Ex ia [ia] IIC T5 … T6
CSA & USA Hazloc approvals (2)	CSA 13.70000407: Class I Div 1, 2; Class I Zone 1
SIL classification	up to SIL3 *⁾
*⁾ For details see: www.dehn-international.com

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DEHNpipe

Details

DPI MD

Part No. 929941 DPI MD 24 M 2S

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DPI ME

Part No. 929921 DPI ME 24 N A2G

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DPI MD EX

Part No. 929960 DPI MD EX 24 M 2

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Part No. 929965 DPI MD EX 24 N 2

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DPI CD EXI

Part No. 929961 DPI CD EXI 24 M

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Part No. 929963 DPI CD EXI 24 N

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DPI CD EXD

Part No. 929962 DPI CD EXD 24 M

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Part No. 929964 DPI CD EXD 24 N

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