Explosion-proof fire alarm bell for Zone 1 & Zone 2 hazardous areas
(Exdb IIC T6 Gb / Extb IIIC T80 °C Db)
95–110 dB output, IP65 protection, available in DC24 V or AC220 V.
Overview
The AT-BL01 Explosion-Proof Fire Alarm Bell is a rugged non-addressable audible alarm device designed for use in hazardous areas with explosive gas atmospheres classified as Group IIC or IIB, T6.
When triggered by a fire alarm control panel or a manual call point, the bell produces a loud and clear audible alarm to alert personnel during emergencies.
Compact, reliable, and easy to install, the AT-BL01 is widely compatible with most conventional and addressable fire alarm systems.
Key Features
Certified explosion-proof rating: Exdb IIC T6 Gb / Extb IIIC T80 °C Db, suitable for Zone 1 and Zone 2 hazardous areas.
Two voltage options: DC 24 V or AC 220 V for flexible system integration.
High sound output: 95 – 110 dB, ensuring clear audible warning in noisy industrial environments.
IP65 protection level, resistant to dust and water ingress.
Wide operating temperature: –20 °C to +40 °C.
Sturdy metal housing, weight 1.45 kg, engineered for long-term durability in harsh sites.
Compatible with most standard fire alarm control panels and can be paired with manual call points for basic alarm functions.
Typical Applications
The AT-BL01 explosion-proof bell is designed for hazardous industrial facilities requiring audible fire warning in areas where flammable gases or vapors may exist, including:
Oil & gas plants, refineries, LNG terminals
Chemical processing units and solvent storage facilities
Fuel handling and paint/coating workshops
Power generation plants and compressor stations
Warehouse and pump rooms in Zone 1 and Zone 2 hazardous areas
