803371 Intrinsically Safe Optical Smoke Detector

The 803371 is an optical smoke detector, referenced as the intrinsically safe variant 803371.EX, listed among the Intrinsically Safe products usable with the S4 Mains Powered Interface Unit. It is intended for intrinsically safe smoke detection served by that interface.

This SKU is part of the Wireless Conventional ES Detect range and functions as a Detector within that sub-range. It requires a compatible detector base, such as the 805590, for installation in ES Conventional and intrinsically safe detection systems. The device operates as part of an IS ecosystem where associated components, including Zener barriers like the 764744 and related heat detectors such as the 803271.EX and 803374.EX, must be used with base 805590. For physical connections, refer to the installation manual. The variant part number is specified as 803371. with the unit designation EX.