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 316
used. The force for closing the switch isfurnished by a large direct-current solenoid. The force acts throughthe chain and the system of levers shown in the figures as follows:The solenoid plunger pulls down on one end of a double lever hingednear the right-hand end to the upright frame. Pulling… … Fig. 156. Rear View Hand-Operated 300- Ampere, 3-Poie Circuit Breaker. Closed Position 277
Electrical engineering
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