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Description
Single-sided optical-acoustic plate EN54 part 3, line 400 and 500
Mod. 1043/255B
SKU: 1043/255B
The plate is an audible and optical fire alarm signalling device, compatible with all Urmet fire detection control units.
• Nominal power supply voltage: 24 Vdc
• Max absorption: 2.4W (100mA at 24Vdc)
• Electronic protection fuse
• Play mode selection via DIP-Switch
• Continuous tone (alarm) frequency 920 Hz (970 Hz ±50 Hz)
• Intermittent tone ½ second ON/OFF frequency 920 Hz (970 Hz ±50 Hz)
• Sawtooth tone 1s (pre-alarm) frequency 800÷970 Hz
• ½ s two-tone tone frequency 610/920 Hz
• Transparent front: polycarbonate
• Pictograms supplied: fire alarm
• Operating temperature: -10 °C ÷ +55 °C
• Casing material: self-extinguishing ABS V0
• Casing colour: RAL 9003
• Degree of protection: IP21C
• Dimensions (W x H x D): 360 x 150 x 70 mm
• EN54-3 certification. DoP No. 0051-CPR-2255
24 month warranty
eb: 375502725442
