International Library of Technology · Scranton, International Textbook Co. · leaf 321
Fig. 29. 24. Fig. 30 (a) and (I?) shows another type of circuit-breaker, which is designed for use on 125- to 250-volt direct-current circuits. One of the principal features of thisbreaker is the style of main contact used. It consists of a §17 ELECTRIC LIGHTING. 29 U-shaped brush a made of a large… … Fig. 30.Fig. 31 shows how the laminated contact completes the cir-cuit, and the method of mounting the lever will be seen byreferring to Fig. 30, in Avhich <?, a are the main laminatedcontacts and b, b the terminals against which they arepressed when the handle h is forced in. Each main contact…
Electrical engineering
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