Fire Alarm Systems

Conventional Panel FEATURES:Modular Construction. Fully confirms IS 2189. Battery backup with built in charging. Error free Fire / Fault status in unambiguous coloured LED indication. Low batter/battery fail warning audio / A.C. fail audio / Charger fail audio / visual indication. Relay output for actuators. Lamp test facility. Earth faulty indication. Compatible to all types of conventional detectors. Twin RED LED indication for fire. Zone isolation facility with loop voltage cut off. Optional loop sounders, RS 232 communication facility and RS 485 communication facility for remote annunciation panel. 24V DC output for external notification devices (Sounder, Bell, etc.) TECHNICAL SPECIFICATIONS: No. of Zones 4 to 64 Zones Primary Power 230V AC, 50Hz Standby Power 24V DC (2 Nos, of 12V, 7 AH SMF Battery) Zone Input 2 Wire loop with 4K7 End On Line Resistors Standard Indications Systems On/AC on/ Low Battery/Charger On/Walk test/Auxiliary Trip/ Earth fault Operation Voltage 24v DC Normal Loop Voltage 20.4v DC (Approximately) Operating Current 80mA plus 4.2mA per zone. Open threshold Current 4.2mA Short Circuit Threshold Current 10mA Stand by Threshold Current 8.2mA (EOL Current ? detectors Current) Alarm Current 20-35mA Operating Conditions 10 to 45