Cranford Controls

IS Break Glass Call Point

Product Overview

The IS-CP4A-BG and IS-CP4B-BG break glass 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. Available with and without monitoring resistors all versions are certified to ATEX and IECEx standards. 

The IS-CP4 range features enclosures manufactured from corrosion proof, marine grade, copper-free LM6 (A413) aluminium which is phosphated and powder coated.


IS-CP4A-BG II 1G Ex ia IIC T6 Ga
II 2D Ex t IIIC T60°C Db
IS-CP4B-BG II 1G Ex ia IIC T4 Ga
II 2D Ex t IIIC T70°C Db
Ambient Ta = -40°C to +55°C
Ingress Protection IP66
Housing Material Marine-Grade Copper-Free LM6 Aluminium
Housing Finish Phosphated & 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 plug optional.
Terminals 6 x 4.0mm² cables


Part Numbers

Part number available on request