Glass Break Sensor

Glass Break Sensor used in electronic burglar alarms that detects if a pane of glass is broken or shattered

  • Glass Break Sensor - Model-No : ES9186


Contact Size

25 ft. (7.6 m) maximum to farthest point of glass being protected. For glass sizes over 12 in. by 12 in. (0.3 m by 0.3 m); types of 1/4 in. (0.64 cm) Plate, Tempered, Laminated, and Wired glass; and 1/8 in. (0.32 cm) Plate glass (DSB).


Directly to the ceiling, on an opposite wall, or on an adjacent wall.

Input Power

12 VDC (6 VDC min. to 15 VDC max.), 23 mA nominal @ 12 VDC (29 mA max. in LED latch mode).

Standby Power

Connect to power sources capable of supplying standby power of 23 mA-H for each hour of required standby time. Four hour minimum standby time required for UL Certificated installations.

Alarm Relay

Form “C” reed relay (NC/C). Contacts rated 3.5 Watts, 125 mA @ 28 VDC for DC resistive loads. Protected by a 4.7 ohm resistor in the common “C” leg.


Normally Closed (NC/C) rated 125 mA @ 28 VDC maximum.

Operating Temperature

-20° to +120°F (-29° to +49°C). For UL Certificated installations, the temperature range is +32° to +120°F (0° to +49°C).


Round = 3.4 in. diameter by 0.83 in. D (8.6 cm diameter by 2.1 cm D). Square = 3.4 in. H, 3.4 in. W, 0.83 in. D (8.6 cm H, 8.6 cm W, 2.1 cm D).