SWITCHES


Switch No. 2A

General purpose wall mounted slide switch

Double pole, locking, change over action.

Screw terminals.

Drawing - 90932.


 
Switch No. 5A

Basic encapsulated switch that can be mounted.

Single pole, non-locking, change over contact set with three solder tags.

Wires terminated on spade tags.

Drawing - CD1511.

 

 
Switch No. 5A-1

Used in Telephone No. 706, Telephone No. 711 & Telephone No. 741.

Single pole, non-locking, change over.

Wires terminated on spade tags.

Superseded by Switch No. 5A-3.

 

 
Switch No. 5A-2

Used in Telephone No. 706, Telephone No. 711 & Telephone No. 741.

Single pole, locking, change over.

Wires terminated on spade tags.

Superseded by Switch No. 5A-3.

 

 
Switch No. 5A-3

Used in Telephone No. 706, Telephone No. 711 & Telephone No. 741.

Single pole, non-locking, change over.

Wires terminated on spade tags.


 
Switch No. 5A-4

Used in Telephone No. 710, Telephone No. 740 & Telephone No. 746.

Single pole, non-locking, change over.

Wires terminated on spade tags.

The picture is of the later version.  The early version had the switch mounted on a plate with a captive screw instead of a lug.
 


 
Switch No. 5A-4A

Switch No. 5A mounted on Part No. 1/DBR/377.

Wires terminated on spade tags.

For use only at non-multiple stations of HES No. 3 and 4.

 

 
Switch No. 5A-7

Used in Telephone No. 713

Single pole, non-locking, change over.

Wires terminated on spade tags.


 
Switch No. 5A-8

Used in Control Unit Q537 (HES 4).

Includes one Switch No. 5A.

Single pole, locking, change over.

Wires terminated on spade tags.

Produced by ETL.

 


 
Switch No. 5A-9

Single pole, locking, change over.

Includes one Switch No. 5A.

For use on  Telephone No's 746 or 740 (and maybe Telephone No. 736).

Wires terminated on spade tags.

Click here for more information

 


 
Switch No. 10A, B & C

Bank of switches used on Switchboard keyshelves.

Single pole, non-locking, make.

Fitted with:-
A - 5 x Switches No. 16A-1.
B - 6 x Switches No. 16A-1.
C - 10 x Switches No. 16A-1.

Drawing - CD1923.
 

 
Switch No. 11A

Toggle switch.

Drawing - CD2046.
 

 
Switch No. 13A

Single pole, changeover switch.

Used on various switches.

Drawing - CD2231.
 

 
Switch  No.13A-1

Used in Telephone No. 712

Single pole, non-locking, change over.

Wires terminated on spade tags.

Switch No. 13A-2

Used in Telephone No. 722

Single pole, non-locking, change over.

Wires terminated on spade tags.


 
Switch No. 14AN

Wall mounted switch.  The Switch No. 14AN is used to operate Subs Controlled Transfer facilities.

Engraved with the words "Transfer", "ON", and "OFF".

Double pole, double throw.

Drawing - CD2091 and 92296.
 

 
Switch No. 16A-1

Switch used on Switches No. 10.

Drawing - CD2162.
 

 
Switch No. 18A

Used on Key No. 1901.

Drawing No. 92655.

Made by Plessey, their Part No. N109717.
 

 
Switch No. 19A-1

Auxiliary switch used in Telephone No. 722 and Telephone No. 776

Single pole, non-locking, change over.

Operated by the switch hook.

Wires terminated on spade tags.
 


 
Switch No. 19B-1

Used in Telephone No. 740, Telephone No. 741 and Telephone No. 746

Single pole, non-locking, change over.

Operated by the gravity switch hooks.

Wires terminated on spade tags.

Superseded by Switch No. 36B-1


 
Switch No. 19C-1

Used in Telephone No. 740, Telephone No. 741 and Telephone No. 746

Treble pole, non-locking, change over.

Operated by the gravity switch hooks.

Wires terminated on spade tags.

Superseded by Switch No. 36C-1
 

 
Switch No. 19D-1

Used in Telephone No. 740, Telephone No. 741 and Telephone No. 746

Double pole, non-locking, change over.

Operated by the gravity switch hooks.

Wires terminated on spade tags.

Superseded by Switch No. 36D-1


 
Switch No. 20B

Switch for use on PCB's.

One M and one C contact.

Used on Telephone Units.

 

 
Switch No. 20D

Used in Telephone No. 745

Single pole, non-locking, change over.

Operated by the gravity switch hooks.
 

 
Switch No. 23A

Used in Telephone No. 740, Telephone No. 741 and Telephone No. 746

Single pole, locking, change over.

Wires terminated on spade tags.


 
Switch No. 26A

Used in Telephone No. 745

Single pole, locking, change over.

Came as a kit of parts.

Similar to Switch No. 27
 

 
Switch No. 27A

Used in Telephone No. 745

Single pole, non-locking, change over.

Wires terminated on spade tags.

Came as a kit of parts.


  
Switch No. 30A-1

Used in Telephone No. 776

Single pole, non-locking, change over.

Wires terminated on spade tags.


 
Switch No. 31B

Fitted to LST No. 4 (all models).

Always ensure that the B variant is fitted (identified by the red button) as the A variant tended to stick and not release.

 


 
Switch No. 35A-2

Used in Telephone No. 776

Single pole, locking, change over.

Wires terminated on spade tags.

Bell On/Off switch - similar to switch shown except for different label.


 
Switch No. 36A-1

Single pole, non-locking, change over.

Operated by the gravity switch hooks.

Wires terminated on spade tags.

Superseded Switch No. 19B-1
 

 
Switch No. 36B-1

Double pole, non-locking, change over.

Operated by the gravity switch hooks.

Wires terminated on spade tags.

Superseded Switch No. 19C-1
 


 
Switch No. 36C-1

Treble pole, non-locking, change over.

Operated by the gravity switch hooks.

Wires terminated on spade tags.

Superseded Switch No. 19D-1
 

 

 
 
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Last revised: December 16, 2022

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