The Autronica BD-501 is a IP56 interactive Heat Detector with SelfVerify. The BD-501 detects the rise in environment temperature that is caused by a fire. The Autronica BD-501 is designed to be used in the Autronica AutroSafe.
Features
Interactive
Intended for use in humid areas
Short circuit isolator in each Detector
Automatic addressing
Built in LED alarm indicator.