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Relay, single break

Digital Residual Current Circuit Breaker Tester model MD1015 no.8510

1970-1989

Lash-up electrical circuit breaker

circa 1930

J.H. Tucker & Co circuit breaker

circa 1915

Telephone Line Cut-Out Switch

1895-1905
The first metal-clad withdrawable circuit breaker, designed by H. W. Clothier in collaboration with Bernard Price and built in 1905 by A. Reyrolle & Co. Ltd.

Metalclad circuit breaker

1905
Sectioned 275KV air blast circuit breaker head with stand, by A. Reyrolle and Company Limited, Hebburn, 1950-1974

Sectioned circuit breaker head

1950-1974
22 KV Ferguson Pailin water circuit breaker

22 KV Ferguson Pailin water circuit breaker

Crompton oil circuit breaker - 1916

Crompton oil circuit breaker - 1916

1916
Crompton, Barton and Harris spring operated circuit breaker -1905, slow make, quick break

Spring operated circuit breaker

1905
Crompton oil circuit breaker -1908, 3.3KW. hand-wheel operated

Crompton oil circuit breaker -1908

1908
Gas-filled vacuum recloser type GVR serial no. GVRB 13000997 (a vacuum switching, magnetically-actuated, SF6 insulated auto-reclosing three-phase circuit breaker) with control box and connector, developed by Whipp & Bourne Ltd (part of FKI Engineering plc) and made in 1997, the winner of the 1997 MacRobert Award

Gas-filled vacuum recloser type GVR serial no. GVRB 13000997

1997
Free handle circuit breaker

Free handle circuit breaker

Whitney-Wedmore experimental air-blast circuit breaker

Whitney-Wedmore Experimental Air-Blast Circuit Breaker

Large circuit breaker; brass parts with wooden handle, and mounted on iron board. Manufactured by British Thomson-Houston Co. Ltd.

British Thomson-Houston circuit breaker

Circuit breaker.

Circuit breaker

one circuit breaker, with three resistors,a backplate, and a switch. Type V, Form B, 8000 amps, 225 volts. Cat no. DL494745, no. R35330, Patent 1599-13. Manufactured by British Thomson Houston Co. Ltd, Rugby.

Circuit Breaker with Three Resistors

One old type circuit breaker assembly.

One old type circuit breaker assembly

Three phase oil immersed circuit breaker, B.S.I

Three phase oil immersed circuit breaker

Switch panel containing 1600A and 600A circuit breakers

Switch panel containing circuit breakers

15 Amperes circuit breaker.

15 Amp circuit breaker

Model, scale 1:48, of a 132 KV outdoor sub-station circuit breaker, by A. Reyrolle & Co. Ltd., Hebburn, 1950-1957

Model of a sub-station circuit breaker

1950-1957
275 KV air blast circuit breaker model, by A. Reyrolle and Company Limited, Hebburn, 1945-1957

Model of an air blast circuit breaker

1945-1957
Collection of 14 German relays / circuit breakers as used in German aircraft during WW2

Fourteen relays and circuit breakers

Crompton, Barton and Harris spring operated circuit breaker -1905, 2100amps. D C.

spring operated circuit breaker

1905