FHF Ex-proof Signalling Hooter mHP 11
- Ingress protection IP 54
- Protection class II
- Protection type: II 2 G Ex e mb IIC T5 Gb
- Volume: approx. 108 dB(A)
- Cable gland M20 x 1.5
The mHP 11 Ex Signalling Hooter is designed for warning purposes in potentially explosive areas of zones 1 and 2. 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.