The mHG 11 Ex Signalling Hooter is designed for warning purposes in potentially explosive areas of zones 1, 2 , 21 and 22. The hooter is available with the common supply voltages and produces a sound level of approx. 108 dB(A).
The device is driven by a powerful, non-polarized electromagnet with an adjustable tappet that hits the membrane 100 to 120 times per second.
The DC version additionally comprises an electronic circuit breaker.
Volume: Approx. 108 dB(A), in 1 m distance.
Can be used in:
II 2G Ex e mb IIC T4 Gb
II 2G Ex e mb IIC T5 Gb
II 2D Ex tb IIIC T90ºC Db
Zones: 1, 2, 21, 22.