The IS-mA1 can be used to interface with the CHQ-ISM (intrinsically safe sounder module) via an addressable module or conventional sounder O/P
The IS-mA1 is a compact, 100db alarm sounder. Approvals include ATEX, IECEx and GOST-R for Zone 0 applications and FM approval for Class I Division 1 and Class I Zone 0 applications.
The IS-mA1 is suitable for all intrinsically safe signalling applications including fire, security and process control
The IS-mA1M version is also available for group I mining environments