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

Détails

Robust type made of corrosion-resistant stainless steel.
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Types for series connection.
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Metric and NPT thread.
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ATEX and IECEx approval.
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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 Produit

Référence de la pièce 929941 DPI MD 24 M 2S

GTIN 4013364098152, Clients tariffs no (UE): 85363010, Poids brut: 187.40 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class Q
Max. continuous operating voltage (d.c.) (UC ) 34.8 V
Nominal current (IL ) 0.5 A
D1 Lightning impulse current (10/350 µs) per line (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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

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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 Produits

Référence de la pièce 929960 DPI MD EX 24 M 2

GTIN 4013364098145, Clients tariffs no (UE): 85363010, Poids brut: 185.80 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 34.8 V
Nominal current (IL ) 0.5 A
D1 Lightning impulse current (10/350 µs) per line (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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

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Référence de la pièce 929965 DPI MD EX 24 N 2

GTIN 4013364360778, Clients tariffs no (UE): 85363010, Poids brut: 185.00 g, Prix unitaire: 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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 34.8 V
Nominal current (IL ) 0.5 A
D1 Lightning impulse current (10/350 µs) per line (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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

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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 Produits

Référence de la pièce 929961 DPI CD EXI 24 M

GTIN 4013364101784, Clients tariffs no (UE): 85363010, Poids brut: 183.00 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 32 V
Nominal current (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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

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Référence de la pièce 929963 DPI CD EXI 24 N

GTIN 4013364101807, Clients tariffs no (UE): 85363010, Poids brut: 196.00 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 32 V
Nominal current (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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

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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 Produits

Référence de la pièce 929962 DPI CD EXD 24 M

GTIN 4013364101791, Clients tariffs no (UE): 85363010, Poids brut: 183.00 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 32 V
Nominal current (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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.

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Référence de la pièce 929964 DPI CD EXD 24 N

GTIN 4013364101814, Clients tariffs no (UE): 85363010, Poids brut: 183.00 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 32 V
Nominal current (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 10 kA
Cut-off frequency line-line (fG ) 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.

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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 Produit

Référence de la pièce 929971 DPI CD HF EXD 5 M

GTIN 4013364120761, Clients tariffs no (UE): 85363010, Poids brut: 285.60 g, Prix unitaire: 1.00 pc(s)

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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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 6 V
Nominal current at 80 °C (IL ) 0.1 A
C2 Total nominal discharge current (8/20 µs) (In ) 20 kA
Cut-off frequency line-line (fG ) 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.

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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 Produits

Référence de la pièce 929969 DPI CD EXD 230 24 M

GTIN 4013364127418, Clients tariffs no (UE): 85363010, Poids brut: 280.00 g, Prix unitaire: 1.00 pc(s)

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Dual surge arrester DEHNpipe CD Ex (d) DPI CD EXD 230 24 M
Dual surge arrester
of the SPD class Type 2 and Type 2 / P2
DEHNpipe, tested to
EN 61643-11 and -21, in V2A, IP 67,
in Ex (d) version,
for screwing into field devices
with connection for power supply and 2-wire measurement technology,
parallel protection of 230‑V power supply systems
and a 0/4–20‑mA interface
in Ex 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.

Certificats

 

Caractéristiques techniques

Protection of the data side
SPD class U
Max. continuous operating voltage (d.c.) (UC ) 32 V
Nominal current at 80 °C (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 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.) (UC ) 255 V
Total discharge current (8/20 µs) L+N-PE (Itotal ) 5 kA
Voltage protection level L-N (UP ) ≤ 1.4 kV
Max. mains-side overcurrent protection 16 A gG or B 16 A

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Référence de la pièce 929970 DPI CD EXD 230 24 N

GTIN 4013364127425, Clients tariffs no (UE): 85363010, Poids brut: 273.00 g, Prix unitaire: 1.00 pc(s)

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Dual surge arrester DEHNpipe CD Ex (d) DPI CD EXD 230 24 N
Dual surge arrester
of the SPD class Type 2 and Type 2 / P2
DEHNpipe, tested to
EN 61643-11 and -21, in V2A, IP 67,
in Ex (d) version,
for screwing into field devices
with connection for power supply and 2-wire measurement technology,
parallel protection of 230‑V power supply systems
and a 0/4–20‑mA interface
in Ex 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.

Certificats

 

Caractéristiques techniques

Protection of the data side
SPD class U
Max. continuous operating voltage (d.c.) (UC ) 32 V
Nominal current at 80 °C (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1 kA
C2 Total nominal discharge current (8/20 µs) (In ) 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.) (UC ) 255 V
Total discharge current (8/20 µs) L+N-PE (Itotal ) 5 kA
Voltage protection level L-N (UP ) ≤ 1.4 kV
Max. mains-side overcurrent protection 16 A gG or B 16 A

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DPI CD EXI+D 2X24

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

2 Produits

Référence de la pièce 929950 DPI CD EXI+D 2X24 M

GTIN 4013364137387, Clients tariffs no (UE): 85363010, Poids brut: 247.00 g, Prix unitaire: 1.00 pc(s)

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Surge arrester DEHNpipe CD EX (i) + Ex (d) DPI CD EXI+D 2X24 M
surge arresters
of SPD class Type 2 / P1
DEHNpipe, tested to
EN 61643-21, in V2A, IP67,
in Ex (i) + (d) version,
for the protection of 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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 36 V
Nominal current (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1.5 kA
C2 Total nominal discharge current (8/20 µs) (In ) 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

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Référence de la pièce 929951 DPI CD EXI+D 2X24 N

GTIN 4013364137394, Clients tariffs no (UE): 85363010, Poids brut: 247.00 g, Prix unitaire: 1.00 pc(s)

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Surge arrester DEHNpipe CD EX (i) + Ex (d) DPI CD EXI+D 2X24 N
surge arresters
of SPD class Type 2 / P1
DEHNpipe, tested to
EN 61643-21, in V2A, IP67,
in Ex (i) + (d) version,
for screwing into field devices
for the protection of 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.

Certificats

 

Caractéristiques techniques

SPD class T
Max. continuous operating voltage (d.c.) (UC ) 36 V
Nominal current (IL ) 0.55 A
D1 Lightning impulse current (10/350 µs) line-PG (Iimp ) 1.5 kA
C2 Total nominal discharge current (8/20 µs) (In ) 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

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