The break glass call point comes with hinged front cover and back light, doesn't need power in contact switch for monitoring double poles N/C change over N/O to override electrical locks/release devices for emergency with key to reset
Specifications:
87 x 87 x 55mm dimension
Contact resistance 150m Ohms
Switch rating 1A at 125V AC
L type features back light to give easy identify in dark place, current draw 25mA at 12V DC/45mA at 24V DC
green ABS housing (red, white or yellow colors for special order requirement)