What is the Autronica BHH-31A?

The Autronica BHH-31A is an optical smoke detector manufactured by Autronica Fire & Security (now part of Carrier). It uses light-scattering technology to detect smoke particles from slow-burning, smoldering fires. It is widely used in commercial buildings, industrial facilities, and marine vessels.

Where can the Autronica BHH-31A be installed?

The BHH-31A is designed for indoor installation in commercial, industrial, and marine environments. It is approved for use on ships and offshore platforms, as well as in standard building fire alarm systems. It operates reliably in temperatures from -20°C to +60°C.

Is the Autronica BHH-31A compatible with my fire alarm system?

The BHH-31A is compatible with Autronica fire alarm panels, including the AutroSafe and BS-420 series. It connects via a standard Autronica detector base. Contact us at +47 932 15 919 to verify compatibility with your specific system.

What certifications does the BHH-31A have?

The Autronica BHH-31A is certified under EN54-7 for smoke detectors and holds marine type-approvals from classification societies including DNV and Lloyd's Register, plus the EU Marine Equipment Directive (MED).

How do I order the Autronica BHH-31A?

You can order the Autronica BHH-31A directly through our website by filling out the contact form, by calling +47 932 15 919, or by sending an email to sale@autronica-parts.com. We ship worldwide and offer competitive pricing with fast delivery.

What is the price of the Autronica BHH-31A?

The Autronica BHH-31A is offered from €200 per unit. Volume pricing is available and quoted on request. Contact us via the inquiry form, by phone at +47 932 15 919, or email sale@autronica-parts.com for a personalized quote.

Do you ship the Autronica BHH-31A internationally?

Yes, we ship the Autronica BHH-31A worldwide. Whether you need delivery to Europe, Asia, the Middle East, Africa, or the Americas, we can arrange shipping to your location.

What is the difference between the BHH-31A and other Autronica detectors?

The BHH-31A is specifically an optical smoke detector optimized for detecting slow-burning fires. Other Autronica detectors may use heat detection, multi-sensor technology, or flame detection. The BHH-31A is ideal when early smoke detection is the primary requirement.

Resources & Expert Guides

Name: Autronica BHH-31A Optical Smoke Detector
Brand: Autronica
SKU: BHH-31A
Price: 200 EUR
Availability: InStock

Technical articles on Autronica fire detection, optical smoke detector selection, and marine fire safety — written by our engineering team.

Optical Smoke Detection: A Complete Guide to the Autronica BHH-31A

14 July 2026

Optical Smoke Detection: A Complete Guide to the Autronica BHH-31A

How optical smoke detectors work, where the BHH-31A fits in modern fire alarm systems, and why EN54-7 certification matters for specifier and installer decisions.

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BHH-31A vs Heat Detectors: When to Choose Optical Detection

2 July 2026

BHH-31A vs Heat Detectors: When to Choose Optical Detection

Heat detectors and optical smoke detectors solve different problems. This guide explains which to use, and when to combine both, for compliant fire detection.

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Marine Fire Safety: Why the BHH-31A Is Trusted at Sea

18 June 2026

Marine Fire Safety: Why the BHH-31A Is Trusted at Sea

Fire at sea is unforgiving. The BHH-31A is type-approved by DNV and Lloyd's Register for marine use — here is what that approval means in practice.

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