BELL No. 50E

Bells No. 50A to 50D do not exist and are actually Bellsets No. 50. Click here for the Bellset No. 50A to 50D.

This is because only the number is stamped on the back which is not descriptive enough.

Looking at the circuit board there will be a capacitor to the right, which is proof that the item is a Bellset and not a bell.

Bellset No. 50E
High Impedance Bellset with three Metre cord and Plug No. 431A, for use on PST.  These superseded Bellsets No. 50B & 50C for new supply and maintenance replacement, available on sale or rental terms (shown below).

Specification - S1689.

MANUFACTURER
Originally made by Denis Ferranti Ltd but later by Gemini Connections Ltd.

APPROVAL STATUS
Bellset No. 50E - S/1000/23/K/501724

Modifications which have not received appropriate approval must not be carried out as to do so would invalidate approval making connection unlawful.  Bellset No. 50E or 'Extension' line cord may be shortened without breaching approval.

For interior wall mounted use (keyhole fixings), supplied with plug ended cord for use with any phone socket.

To remove a Bellset No. 50E from the wall:-
Grasp both sides of the case and pull upwards about an inch.  The fixing screws will disengage with the case at that point.

Introduced around 1989.

Drawings - 96699 and 96700.

Dimensions
145mm x 145mm x 57mm.

Weight
470grams.

This Bellset is supplied with 2 wood screws, wallplugs and template for positioning screws.

Ringer has a REN 1.

The Line cord of a Bellset No. 50E or 'Extension Tonecaller' may be cleated in place using Cleats Wiring No. 4C and if necessary be shortened (to a minimum length of 300mm) where bell/tone caller is to be fitted adjacent to phone socket.

Bell No. 50E

Direct sell packaging

Last revised: December 04, 2025