FDBZ-WT | Siemens Weather-Tight Enclosure for FDBZ492-Series Duct Smoke Detectors Circuit Breaker It provides four current input

It provides four current input channels that support 4–20 mA and 0–20 mA ranges

Featuring adjustable thermal and fixed magnetic trip mechanisms

largely due to the ten protruding relays

Addressable Technology: Provides unique identification to the fire alarm control panel for precise system response

FDBZ-WT | Siemens Weather-Tight Enclosure for FDBZ492-Series Duct Smoke Detectors Circuit Breaker It provides four current inputDescription The Siemens FDBZ WT Weather Tight Enclosure provides watertight protection for Siemens FDBZ492 series duct smoke detector housings. Designed for installation in environments exposed to moisture, dust, or outdoor conditions, it ensures continuous operation and reliability of duct mounted smoke detection systems. The enclosures robust design makes it ideal for industrial, commercial, and outdoor applications requiring durable environmental