IS-CP4A-PT / IS-CP4A-PT IS Tool Reset Call Point

Ex ia Manual Tool Reset Intrinsically Safe Pust Button

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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 and 22 requiring intrinsically safe equipment for the control of fire and gas alarm systems. Available with and without monitoring resistors all versions are certified to ATEX and IECEx standards. 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 phosphated and powder coated.

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
DR: DIN?rail (only on IS-CP4B type)
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 BExCP3B type)
Series Resistor: SxxxR Resistor value in Ohms e.g. E1K5R = 1.5K Ohm
(only required for BExCP3B type)


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Additional information

Weight 0.8 kg

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Unit colour

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IP rating



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