| Compatibility | Designed to comply with the requirements of BS5839-4 (for head-out monitoring use 1 x BF378M module per zone). | 
| Mains supply | 230V 50/60Hz. | 
| Mains rated current | 330mA max. | 
| Internal power supply | 27V nominal. | 
| Total output current limited to | 1400mA @ 230V. | 
| Quiescent current | 60mA (with no mains supply, fault beeper muted, no aux. output connections, EOL devices and resistors only fitted to detector and sounder loops). | 
| Max battery size and type | 2 x 12V 3.2Ah VRLA connected in series. | 
| No. of detector zone circuits | 6 (Max. length per circuit is 500m). Additional Zones cannot be added to this panel. For head out monitoring 1 x BF378M is required per Zone. | 
| Call point resistor value | 470 to 680Ω. | 
| Max. devices per detector zone | 20 detectors (max. detector current 2mA). No limit for manual call points. | 
| No. of conventional sounder circuits | 2 (Max. length per circuit is 500m). | 
| EOL resistor value | 6800Ω 5% Tol. 0/25W (blue, grey, red, gold). | 
| Max. sounder output current | 1400mA (to all outputs). Outputs are fused at 1A. | 
| Auxiliary relays | 1 x onboard relay (1A, 30 VDC, follows sounders). AAdditional relays available via optional expansion looms (FF374FR, FF374FDR & FF374DT). | 
| Open collector outputs | Available via optional expansion loom FF374X. | 
| Auxiliary inputs | Available via optional expansion loom FF374X. | 
| Indicators | Mains on; Zone Fire; Zone Fault; Sounder Fault; Battery/Power Supply Fault; O/C fault; S/C fault; Zone isolated; Engineer Test selected. | 
| Controls | Reset; Resound; Test Zone Lamps; Evacuate; Silence Alarm Sounders; Silence Fault Sounders; Revert to S/C equals Fire; OMT, Zone Isolate. Keyswitch. | 
| Product dimensions (mm) | 405 W x 267 H x D 92mm. | 
| Construction & finish | Metal lid and base. | 
| IP Rating | IP30. | 
| Weight | 5.0kg. | 
| Operating conditions/temperature | -5ºC to +40ºC. Max relative humidity: 95%. | 
| Notes | Repeater info: Up to 3 repeaters per main. 5 cores plus 1 per zone. Max. cable length 200m. | 
 
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