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• Fully complies with UL -864 and NFPA-72.
• Rugged CRCA sheet with powder coated finish.
• Operates on 220v 50Hz, AC Mains power supply.4/8 Class B initiatingdevice circuit (IDC).
• All zones accept smoke detectors and any normally open contactdevice
• Any Zone can be configured as Alarm or supervisory Zone.
• 2 Class B Notification Appliance Circuits (NAC).
• Standby (battery) backup 24v DC power supply with built in charger.
• Error free Fire / Fault status in unambiguous colored LED indication.
• Main, Standby status audible and visual indication.
• Battery Low visual warning with audible tone.
• Form-C relays for fire, fault and supervisory.
• Zone Isolation facility with loop voltage cut off.
• Ground fault annunciation facility at 0 ohms.
• All field wiring circuits are Power limited except 220v A.C. and Battery.
• All field wiring circuits are supervised.
• AC Low voltage cutoff.
• Programmable NAC's.
• Programmable IDC’s.
• Programmable AC loss delay.

Primary Power 220VAC ± 10%, 50 Hz, 2.5Amps. Standby Power 24v D.C (2 Nos of 12v, 12Ah Sealed Lead acid battery). Operating Condition Operating Temperature 15 - 35° C/60-95° F. Relative Humidity 93 ± 2% RH (non-condensing) at 32 ±2° C/90 ±3° F. Charging Circuit Charging Voltage 28.4V, ±0.2V Charging Current 750mA (Max.). Initiating Device Circuits All zones are Class B Style B/C operation (Programmable). Normal Operating Voltage: 14 - 21 VDC. Alarm Current: 15 - 30mA. Short Circuit Current: 40mA Maximum. Loop resistance: 100 ohms Maximum. End-Of-Line Resistor: 3K9, 1/2watt Standby Current: 7mA (2mA for Detectors) Notification Appliance Circuits Class B Style - Y wiring Operating Nominal Voltage: 24VDC Special Application Current for NACs: 1.2Amps(0.6A per circuit) Line Drop: 1.8V End-Of-Line Resistor: 3K9, 1/2watt Resettable D.C. Power CN7 Operating Voltage: Supervised 24VDC regulated, 300mA Max. (for 4 wire smoke detector) Common Three Form C Relays CN2, CN3, CN4 Relay Contact Rating: 2Amps @ 30 VDC, 2Amps @ 30VAC. Power Factor: 0.6 Ordering Information RE 2504 W/R - W- White Colour; R - Red Colour. RE 2508 W/R - W- White Colour; R - Red Colour. Dimension of panel: 440 X 340 X 120mm ( Width x Height X Depth)