SWITCHES

General purpose wall mounted slide switch

Double pole, locking, change over action.

Screw terminals.

Drawing - 90932.

Basic encapsulated switch that can be mounted to a flat surface with two screws.

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

Wires terminated on spade tags.

Drawing - CD1511.

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

Single pole, non-locking, change over.

Fitted with a Plunger, Switch Part 1/DPL/372.

Wires terminated on spade tags.

Uses Labels No. 358, which are fitted to the Plunger, Switch.  In the picture the brown piece is the Label No. 358 and the Plunger, Switch is the white piece underneath.

Superseded by Switch No. 5A-3.

Drawing - 91267.

Ericsson Part - N93266A.

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

Single pole, locking, change over.

Fitted with a Plunger, Switch Part 2/DPL/372.

Wires terminated on spade tags.

Uses Labels No. 358, which are fitted to the Plunger, Switch.

Superseded by Switch No. 5A-3.

Drawing - 91267.

Ericsson Part - N93226B.

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

Single pole, non-locking, change over.

Wires terminated on spade tags.

Drawing - 91503.

Used in Telephone No. 710, Telephone No. 711, Telephone No. 740 & Telephone No. 746.

Single pole, non-locking, change over.

Wires terminated on spade tags.

The early version is fixed to the switch hook frame by means of a screw whilst the later version is fixed by means of a lug.
 

Later version
 

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

Wires terminated on spade tags.

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

Used in Telephone No. 713.

Single pole, non-locking, change over.

Wires terminated on spade tags.

Used in Control Unit Q537 (HES 4).

Includes one Switch No. 5A.

Single pole, locking, change over.

Wires terminated on spade tags.

Made by ETL.

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.

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Superseded by the Switch No. 23A.

Flameproof switch used to isolate the bells on Telephones No. 266 and 702.

This switch is operated by a removable triangular headed key.

Dimensions - 5.75" high x 3.5 wide.

Weight -  6lbs.

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.
 

Toggle switch.

Drawing - CD2046.
 

Single pole, changeover switch.

Used on various switches.

Drawing - CD2231.
 

Used in Telephone No. 712.

Single pole, non-locking, change over.

Wires terminated on spade tags.

Used in Telephone No. 722.

Single pole, non-locking, change over.

Wires terminated on spade tags.

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

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

Double pole, double throw.

Drawing - CD2091 and 92296.
 

Switch used on Switches No. 10.

Drawing - CD2162.
 

Used on Key No. 1901.

Drawing No. 92655.

Made by Plessey, their Part No. N109717.
 

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.
 

Auxiliary gravity switch.

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

Single pole, non-locking, change over.

Wires terminated on spade tags.

Superseded by Switch No. 36B-1.

When used on a Telephone No. 741 a Kit No. 166A is also required.

Auxiliary gravity switch.

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

Treble pole, non-locking, change over.

Wires terminated on spade tags.

Superseded by Switch No. 36C-1.

When used on a Telephone No. 741 a Kit No. 166A is also required.

Auxiliary gravity switch.

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

Double pole, non-locking, change over.

Wires terminated on spade tags.

Superseded by Switch No. 36D-1.

When used on a Telephone No. 741 a Kit No. 166A is also required.

Switch for use on PCB's.

One M and one C contact.

Used on Telephone Units.
 

Used in Telephone No. 745.

Single pole, non-locking, change over.

Operated by the gravity switch hooks.
 

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

No. 23A - Single pole, locking, change over.
No. 23A - Two sets of single pole, locking, change over.

Wires terminated on spade tags.

Used with the Telephone No. 745.

Single pole, locking, change over.

Came as a kit of parts.

Similar to Switch No. 27
 

Used with the Telephone No. 745.

Single pole, non-locking, change over.

Wires terminated on spade tags.

Button is printed with the word "press".

Came as a kit of parts.

Used in the Telephone No. 776.

Single pole, non-locking, change over.

Wires terminated on spade tags.

Labelled with the words "Call".

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.

Used in the Telephone No. 776

Single pole, locking, change over.

Wires terminated on spade tags.

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

Auxiliary gravity switch.

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

Single pole, non-locking, change over.

Wires terminated on spade tags.

When used on a Telephone No. 741 a Kit No. 166A is also required.

Superseded Switch No. 19B-1.
 

Auxiliary gravity switch.

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

Double pole, non-locking, change over.

Wires terminated on spade tags.

When used on a Telephone No. 741 a Kit No. 166A is also required.

Superseded Switch No. 19C-1
 

Auxiliary gravity switch.

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

Treble pole, non-locking, change over.

Wires terminated on spade tags.

When used on a Telephone No. 741 a Kit No. 166A is also required.

Superseded Switch No. 19D-1