4B Universal Base

The 4B Universal Base contains no electronics and is suitable for indoor applications of the 614 series conventional (non-addressable), 814 and 850 series analogue addressable detectors.
It provides excellent space for cable access and terminations. It features remote LED connections and an anti-tamper facility. The 4B base is designed to snap-fit into the ceiling tile adaptor, or screw fix to the ceiling in the traditional manner. The 4B-6A Adaptor covers ceiling marks revealed when changing from an existing 5” or 6” base. The Euro Mount Adaptor is a shallow (20mm deep) back box for surface mounting applications. When (suitable) detectors are fitted in damp or dirty environments, the 4B-DHM Deckhead Mounting provides an IP55 seal between the mount and the detector base.
Use with MX4428

Details

4B Base

Operating Temp. -25°C to +75°C
Relative Humidity 10% to 95% (non cond.)
Dimensions (mm) – 109 dia x 25H
Weight 64g
Indoor Applications Only
ActivFire Listed with compatible detectors

Part Numbers
517.050.041 – 4B Base
517.050.052 – Euro Mount Adaptor
517.050.056 – 4B-6A 4” to 6” Adaptor
517.050.051 -4B-DHM DeckHead
Mounting Kit

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