Moflash Intrinsically Safe Beacon – IS-B Series Professional range of intrinsically safe LED beacons from the IS-B series. The beacons incorporate a dip switch that allows you to change from 1 Hz flash rate to a static signal. Designed for use in potentially explosive atmospheres for Group I (Mining) and Group II (Above Ground) applications. Suitable for fire, security, process control and general signalling applications. Features and Benefits Zones 0, 1, 2, 20, 21 and 22 ATEX and IECEx approved IP66 rated Surface Mount Polycarbonate housing material