RE 2508

Features:

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  • Fully complies with UL-864 9th Edition and NFPA-72.
  • 4/8 Class B conventional initiating device circuit (IDC).
    • All zones accept smoke detectors and any normally open contact device.
    • Any Zone can be configured as Alarm or supervisory Zone.
  • 2 Class B Notification Appliance Circuits (NAC).
  • Operates on 220v 50Hz, AC Mains power supply.
  • Standby (battery) backup 24v DC power supply with built in charger.
  • Rugged CRCA sheet with powder coated finish.
  • All field wiring circuits are supervised.
  • AC Low voltage cutoff.
  • Programmable NACs.
  • Programmable IDCs.
  • Programmable AC loss delay.
  • Alarm verification.
  • Programmable Trouble reminder.
  • Events history with RTC.
  • 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 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.

Technical Specification :

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Primary Power 
220VAC ± 10%, 50Hz, 2.5Amps.
Standby Power 
 24v D.C (2 Nos of 1 2v, 12Ah Sealed Lead acid battery).
Operating Condition 
Operating Temperature 15- 350 C/60-95° F.

Relative Humidity 93±2% RH (non-condensing) at 32 ±2° C/90 ±30 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- 3CmA.

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 all NACs : 1.2Amps (0.6A per circuit)

Line Drop : 1.8V

End-Of-Line Resistor : 3K9, 1/2watt
Resettable D.C. Power
Operating Voltage : Supervised 24VDC regulated. 300mA Max. (for 4 wire smoke detector)
Common Three Form C Relays
Relay Contact Rating : 2Amps @ 30 VDC. f2Amps @ 3OVAC.

Power Factor : 0.6

Ordering Information
RE 2504 W/R : 4 IDC

RE 2508 W/R : 8 IDC

W- White Colour; R - Red Colour.


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