The Autronica BJH-20B is an Ionisation Smoke detector, and the EX version of the BJH-20 for Zone 1 or Zone 2, for the detection of combustion gases which consists of visible particles. The BJH-20B is equipped with a built-in LED alarm indicator.
The Autronica BJH-20B/EX can be used in combination with the following:
Conduit Box: BWP-40
|Sensitivity||Acc. to EN-54 part 7|
| Current consumption |
|Environmental requirements||EN-54 part 7|
|Degree of protection||IP44D|
|Working temperature|| -20