The specially designed weatherproof bells have an aluminium back box giving either single or double threaded entry for maximum flexibility in installation. This is supplied as a full fixing kit with gasket and screws.

Key features of MBA-6+bbx-4:

Low current consumption - only 11mA

Quickly and easily installed

Excellent sonorous tone up to 100dB (A) at 1 metre

Slim profile

Fully suppressed and polarised

Simple installation with multi-fixing base plate

24V bells certified by LPCB to EN54-3:2001

24V bells compliant with Construction Products Directive

This bell is 150mm (6 inch) in diameter and is made of aluminium. It has a very high volume output matched with extremely low power consumption.