


Lash-up electrical circuit breaker
circa 1930

Digital Residual Current Circuit Breaker Tester model MD1015 no.8510
1970-1989

J.H. Tucker & Co circuit breaker
circa 1915

Telephone Line Cut-Out Switch
1895-1905
Circuit Breaker with Three Resistors
Whitney-Wedmore Experimental Air-Blast Circuit Breaker
Metalclad circuit breaker
1905
Sectioned circuit breaker head
1950-1974
22 KV Ferguson Pailin water circuit breaker
Crompton oil circuit breaker - 1916
1916
Spring operated circuit breaker
1905
Crompton oil circuit breaker -1908
1908
Gas-filled vacuum recloser type GVR serial no. GVRB 13000997
1997
Free handle circuit breaker
Circuit breaker
British Thomson-Houston circuit breaker
Three phase oil immersed circuit breaker
15 Amp circuit breaker
One old type circuit breaker assembly
Switch panel containing circuit breakers
Model of a sub-station circuit breaker
1950-1957
Model of an air blast circuit breaker
1945-1957
Fourteen relays and circuit breakers
spring operated circuit breaker
1905