FHF Ex-proof Signalling Hooter mHG 11
- Ingress protection IP 66
- Protection class I
- Protection type:
II 2 G Ex e mb IIC T5 Gb
II 2 G Ex e mb IIC T4 Gb
II 2 D Ex tb IIIC T90°C Db - Volume: approx. 108 dB(A)
- Cable gland M20 x 1.5
Description
Description
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
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