The Eaton FHF dGW21 alarm bell for Division 2 hazardous areas is specifically designed for use in the corrosive and demanding environments of the process industries, including onshore chemical and petrochemical plants, offshore platforms, food processing facilities, and pharmaceutical plants.
Engineered for durability, the alarm bell is built to withstand extreme outdoor temperature variations, high humidity, saltwater exposure, dust ingress, and heavy mechanical wear.
An integrated blocking diode allows the bell to be installed on fire alarm notification appliance circuits.
Features
- Robust GRP (glass reinforced polyester) housing with integrated junction box and ½” NPT conduit entries
- Resistant to acids, seawater, alkalis, and moisture
- Weatherproof rating: Type 4X / IP66
- High sound output: approximately 105 dB(A)
- 1000 Hz tone frequency ensures clear audibility over low-frequency ambient and machinery noise
- Fully encapsulated and sealed electronics for maximum protection against chemicals and moisture
- Supplied with 316 stainless steel mounting bracket
- Captive terminal box screws prevent loss during installation
- Optional version available with integrated telephone call relay
- DC versions feature an electronic contact breaker for extended service life
- Blocking diode enables compatibility with fire alarm notification appliance circuits