Explosion-Proof Signalling Hooter mHG11 for Zone 1+21
Manufacturer: EATON | FHF
Images are representations only.
Explosion-Proof Signalling Hooter mHG11 for Zone 1+21
Manufacturer: EATON | FHFThe mHG 11 Ex Signaling 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.
Features- 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
Specifications
Manufacturer
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
Housing
- Seawater-resistant aluminium, weatherproof varnish
Colour
- Grey
Ingress protection
- IP 66 according to IEC 60529
Protection class
- I
Cable gland
- M20 x 1.5
Connection terminals
- Terminal capacity 2.5 mm²
Operating conditions
- Indoors and outdoors
Operating position
- Horn mouth facing downward
Duty cycle
- ED 75 %
Volume
- Approx. 108 dB(A), in 1 m distance
Temperature range
- Operation T4, AC/DC model: -55 °C to +70 °C
- Operation T5, DC model: -55 °C to +60 °C
- Operation T5, AC model: -55 °C to +50 °C
- Storage -60 °C to +80 °C
Weight
- Approx. 2 kg
