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 319
olenoid-operatedswitch. The one shown is also a circuit breaker. The switch- 279 182 ELECTRIC RAILWAYS closing current is on for but a short time, just enough to close theswitch. The switch is held in the closed position by a simple togglejoint; when the switch rods are raised and the switch is… … Fi(r. 159. 3000-Ampere, 3-Phase, Electrically-Operated Oil Circuit Breaker—^1 Pole En-closed; 1 Pole, Door Removed and Tank inPlace; 1 Pole, Door and Tank Removed rests above a small solenoid shown at the left. This coil carries thecurrent of the circuit to be protected. If the current becomes…
Electrical engineering
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