Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 312
ceeds a certain amount, the solenoid isdrawn in, and a trigger is tripped. This allows the circuit breakerto fly open under the pressure of a spring. In one form of GeneralElectric circuit breaker, the main contact is made by heavy copperjaws, but the last breaking of the contact is made between… … Fig. 152. General Electric Circuit Breaker most other types of circuit breaker, the final breaking of the contacttakes place between carbon points, which are not so readily destroyedby an arc as are copper contacts, and which are more cheaply re-newed. The main contact through the circuit breaker,…
Electrical engineering
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