Features; Two wire serial connection Up to 7 sounder boards per system 230V AC or 24V DC powered versions Zoned, 2-stage or common alarm All outputs monitored for open and short circuit faults Individual open and short circuit fault indicators Fully monitored by main control panel Class change input facility Up to 8 outputs with 0.5A available from each Can be connected to serial bus with Ancillary boards and repeaters Boxed units in enclosure to match Sigma CP control panels Power fault input for monitoring remote power supplies

Two four or six way units available Integral power supplyRobust steel enclosure Space for 7Ah batteries Power Healthy, Power Fault and Sounder Fault indicators Full fault monitoring and integrity maintained

Continuous 8A load output while charging fully depleted batteries Charges up to 45Ah batteries Approved to EN54-4 94V to 253V AC input Mains fail monitoring with LED indication and output Battery disconnection monitoring with LED indication and output Low battery monitoring with LED indication and output Earth fault monitoring with LED indication and output Low battery cut out Temperature compensated battery charging

Key Features:; High brightness red LED indicators for reliability and low power consumption Wide viewing angle LEDs flash alternately to easily attract attention Units to fit to standard gang or round electrical back boxes Compatible with conventional and addressable detectors Printed with “FIRE ALARM IN CON CEALED SPACE” as standard Custom printing and languages available on request