80SB6000121

FM500

Buttons

FM500

Manual reset button, complete with self-learning circuit and short-circuit isolator. Fire alarm buttons are used for manual signaling of a fire. For the reset model, simply press the central part of the glass, so that it moves inwards, activating the switch. A tool is supplied with the buttons to reset the glass and open the cover.

Technical specifications

Technical characteristics

Supply voltage
20Vcc (modulated voltage from – 15% to + 10%)
Average quiescent current
250 μA @ 20Vcc