SKU: 116-BHH-31A/EX-R ,

Autronica 116-BHH-31A/Ex Refurbished Optical Smoke Detector


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he Autronica 116-BHH-31A/EX is an optical smoke detector, for the detection of combustion gases that mainly consist of visible (large) particles. The Autronica BHH-31A/EX is designed for use in hazardous area Zone 1 and Zone 2, and needs to be connected via the BZ-32 Zener Barrier

The BHH-31A/EX is not influenced by electrical radiance from mobile phones or other devices.

The Autronica 116-BHH-31A/Ex Refurbished Optical Smoke Detector is cleaned, refurbished, tested and working.

Additional information

Weight1 kg

~280 g


Self-extinguishing Polycarbonate



According to EN-54 Part 7/9

Nominal Voltage

14VDC ± 2 V

IP Rating


Temperature Range

-20°C to +70°C

Relative Humidity

0 to 90% RH


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