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IS-CP4A-PT/IS-CP4B-PT Tool Reset Call Point 1-14-030

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The IS-CP4A-PT and IS-CP4B-PT push button, tool resettable, manual call points are approved for Zones 0, 1, 2, 21 & 22 requiring intrinsically safe equipment for the control of fire and gas alarm systems. SIL 2 compliant to IEC 61508 (2010).
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Duty/Tag label
Enclosure Color
E.O.L module (B type only)
Series module (B type only)
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Tool Reset Call Point


The push button mechanism is protected by a spring loaded cover therefore the switch requires a two-action activation. The push button is user resettable via the use of the special key supplied with the unit. The IS-CP4 range features enclosures manufactured from corrosion proof, marine grade, copper free LM6 (A413) aluminium which is chromated and powder coated. Available with and without monitoring resistors all versions are certified to ATEX and IECEx standards.


Datasheet Datasheet.pdf
A version installation D150-00-701-IS-3__IS-CP4A-PT_.pdf
B version installation D150-00-751-IS-2__IS-CP4B-PT_.pdf
IECEx certificate IECEx_SIR_09.0122X_Issue_1_IS-CP4__BExCP5.pdf
ATEX certificate Sira_09ATEX2287X_Issue_1_IS-CP4__BExCP5.pdf
INMETRO certificate E2S_CoC_IEx_16.0033X_R1_17062019.pdf
Russian Ex certificate __RU_C-GB.MH04.B.00048.pdf
RTN permit RTN_permit_PPC_00-29227.pdf
Declaration of Conformity DC-008_Issue_F_IS-CP4.pdf
SIL2 Certificate T939-142_SIL2_IS-CP4.pdf
2D drawing (PDF) SK0132_Issue_B.pdf
2D drawing (DWG) SK0132_Issue_B.DWG
Hi-res product image 1 (TIFF) 1-14-030_IS-CP4-PT.tif
Hi-res product image 2 (TIFF) 1-14-030_IS-CP4-PT-Closed.tif
Lo-res product image 1 (JPG) 1-14-030_IS-CP4-PT.jpg
Lo-res product image 2 (JPG) 1-14-030_IS-CP4-PT-Closed.jpg


IS-CP4A-PT: II 1G Ex ia IIC T6 Ga
II 2D Ex tb IIIC T60°C Db
IS-CP4B-PT: II 1G Ex ia IIC T4 Ga
Ambient: Ta = -40°C to +55°C [-40° to +131°F]
Ingress protection: IP66
Enclosure material: Marine grade copper free LM6 Aluminium
Enclosure finish: Chromated & powder coated finish: anti-corrosion.
Colour: RAL3000 Red (others available on request)
Cable entries: 2 x M20 clearance top and
1 x M20 clearance side.
Back box can be rotated to give
2 x bottom and 1 x side entries.
Stopping plugs: 2 x nylon plugs as standard
Brass and stainless steel plugs optional
Terminals: 6 × 4.0mm² cables
Weight: 0.8Kg

Part Codes

Option: Code: Description:
Type: IS-CP4A-PT
A type – no end of line devices
B type – choice of end of line devices
Terminals: ST ST: Standard 6 × 4mm²
Duty label: NL
No duty label
Duty label required – specify contents
Colour: RD
Red enclosure colour
Other enclosure colour – contact sales
E.O.L. Resistor: ExxxR Resistor value in Ohms e.g. E470R = 470 Ohm
(only required for IS-CP4B type)
Series Resistor: SxxxR Resistor value in Ohms e.g. E1K5R = 1.5K Ohm
(only required for IS-CP4B type)
IS-CP4A Push button call point with 6 × 4mm² terminals and no duty label. Red housing
IS-CP4B Push button call point with 6 × 4mm² terminals, no duty label, with a 470 Ohm end of line resistor. Red housing.


  • ATEX certificate: SIRA 09ATEX2287X,
    EN 60079-0 : 2012,EN 60079-11 : 2012,
    IEC 60079-26 : 2014, EN 60079-31 : 2014
  • IECEx certificate: IECEx SIR 09.0122X,
    IEC 60079-0 : 2011, IEC 60079-11 : 2011,
    IEC 60079-26 : 2014, IEC 60079-31 : 2013
  • GOST-R certificate: POCC GB.JB05.B03365
  • SIL 2 compliant to IEC 61508 (2010)


  • Alternative housing colours are available to meet specific requirements.
  • Metalised Polyester “Duty” label.
  • Series and/or End of Line resistors.


Version: Input: Voltage: Terminals: Cable entries:
IS-CP4A-PT Ui = 30V
Ii = 500mA
Pi = 1.1W
Ci = 0
Li = 0
250V ac Max.
5.0A Max.
50V dc Max.
1.0A Max.
6 × 4mm² 2 x M20
1 x M20
Coding: II 1G Ex ia IIC T6 Ga Ta = -40°C to +55°C
II 2D Ex tb IIIC T60°v C Db IP66
Version: Input: Terminals: Cable entries:
IS-CP4B-PT Ui = 30V
Ii = 500mA
Pi = 1.1W
Ci = 0
Li = 0
6 × 4mm² 2 x M20
1 x M20
Coding: II 1G Ex ia IIC T4 Ga Ta = -40°C to +55°

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