China TM520 Timer:
TM520 Timer
1)Chapter of international code for fire safetysystems as amended by MSC.3119880;
2)Chapter of international code for fire safetysystems as amended by MSC.339(91);
3)EN54-2:1997,Fire detection and fire alarm systems Part2:control and indicating equipment.
Colour: Dull black
Cable gland: 4-PG16
IP rating: IP44
Workshop detector used commonly,requires a separate provide DC24V power supply,can set a certain amount of time on the timer value,the region will not ocnur within the time set fire aiarrm detector