Orbis Intrinsically Safe Heat Detector A1R ORB-HT-51146 Ctec Addressable coded keypad

coded keypad

The units have an expanded range of input options which includes the detection of a normally closed contact going open to provide a fully fail safe operation mode

Unique acoustic self-test

For ease of commissioning

Orbis Intrinsically Safe Heat Detector A1R ORB-HT-51146 Ctec Addressable coded keypadThe European Standard EN 54 5 classifies heat detectors to the highest ambient temperature in which they can safely be used without risk of false alarm. The classes are identified by the letters A to G (Class 1 is subdivided into A1 and A2). In addition to the basic classification, detectors may be identified by a suffix to show that they are rate of rise (suffix R) or fixed (static) temperature (suffix S) types. All heat detectors in the Orbis I. S.