Eaton’s FHF dGW21 alarm bell range is designed for signaling purposes in potentially explosive areas of zones 1 and 2.
The dGW21 housing is manufactured from glass-reinforced polyester (GPR), a durable and reliable material to prevent corrosion. The alarm bell meets weatherproof type 4X/ 1P66 environmental ratings and provides ultimate protection.
The alarm bell produces a sound level of approx. 105 dB(A) at 1-meter distance and is available for all common supply voltages. All DC variants are equipped with an electronic contact breaker, which ensures a significantly longer life cycle compared to other solutions.
Design Features
- Precision GRP (glass-reinforced polyester) housing includes the junction box with ½”NPT conduit entries and is resistant to acids, seawater, alkali, and moisture.
- Weatherproof Type 4X / IP66 environmental ratings.
- Volume – Approx. 105 dB (A).
- Ringing emphasis at 1000Hz stands out clearly against low-frequency ambient and machinery noises.
- Fully encapsulated / sealed electronics provide unparalleled resistance to chemicals and moisture in harsh environments.
- 316 stainless steel mounting brackets included.
- Captive terminal box screws prevent their loss during installation.
- Version available with an integrated telephone call relay.
- DC versions are equipped with an electronic contact breaker, increasing the service life when compared with other products.
- Blocking diode allows installation on fire alarm notification appliance circuits
Standard Materials
- Housing: GRP (Glass reinforced polyester)
- Brackets: 316 stainless steel
