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 211
re also providedwith arcing tips and discharge resistance clips. BRUSH TYPE Brush type switches are also built for hand operation. Theyhave the advantage of requiring less power to operate than leverswitches, so that when the amount of current to be handled is verygreat and the switch is… … mmmmI < W a,W s t> a < S^O - -S•-I CN -g ^^ glH S Pi > < 2H wo SWITCHBOARDS 89 the switch must be placed at some distance from the paneh Theseswitches may be operated either by a solenoid or by a motor. Theyusually take the form of a brush with auxiliary arcing contacts.If…
Electrical engineering
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