Autronica BN-33A/24 Fire Alarm Interface Unit
The Autronica Fire Alarm Address / Interface Unit (Part Number: 116-BN-33A/24) is a specialized fire safety module manufactured in Norway by Autronica Fire and Security AS. Operating on a 24V DC monitoring line, this unit interfaces conventional smoke, heat, and flame detectors with a central analog addressable fire alarm loop, translating a localized zone into a single unique address string for the main panel.
BRAND
Autronica
TYPE
Fire Alarm Address
PART NO.
116-BN-33A/24
MODEL
BN-33A Series
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | Autronica |
| TYPE | Fire Alarm Address |
| PART NO. | 116-BN-33A/24 |
| MODEL | BN-33A Series |
| Voltage Rating | 24V DC Sub-loop / Monitoring Line Voltage |
| Application | Interfacing conventional smoke, heat, and flame detectors to an analog addressable main fire alarm loop |
| Catalog No. | BN-33A/24 |
| Input Channels | 1 Monitored conventional spur loop (sub-loop) |
| Detection Principle | Current-increase detection monitoring platform |
| Compatibility | Handles conventional detectors based on the current-increase principle |
| Enclosure Material | High-durability, flame-retardant industrial composite red housing |
| Cable Glands | Equipped with 4 top-mounted brass cable entry glands and 1 bottom-mounted gland |
| Primary Function | Monitors a subset zone of conventional fire sensors and translates their state into a single unique address string for the main panel |
| Typical Applications | Commercial ships, offshore drilling platforms, marine machinery spaces, and localized hazardous industrial sectors |
| Made In | Norway |
| REF NO | 138 |
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