HOOTER No. 2C
Originally the Buzzer No. 22, this was a 250v AC Mains operated hooter, normally controlled via a mercury Relay-switch No. 3201NL.

The Hooter No. 2C must be isolated from mains power supply before approaching the Hooter or removing cover of associated relay switch Unit.

Variants:-
A - 200-230v AC.
B - 200-230v DC.
C - 240-250v AC.
D - 240-250v DC.
E - 100-110v AC.

Supersedes the Hooter No. 1A and 1B.

This Hooter is very loud!

BT replaced the Hooter 2C with Mayhem tonecallers.

 

 
 
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Last revised: October 02, 2026

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