The IS-mA1 Compact Alarm Sounder are suitable for all intrinsically safe signalling applications including fire, security and process control. The IS-mA1 alarm sounder optimises the effectiveness of its six high output LEDs via a prismatic lens design. The IS-mA1 alarm sounder requires only one Zener barrier or galvanic isolator to run both sounder and beacon or alternatively the unit can be operated as individual signals.

*Features* & Benefits:
Input overload and reverse current protection
End of line resistor certified
2 x M20 clearance gland knockouts
Auto synchronised sound output
Powered from any certified Zener barrier or galvanic isolator