Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 107
ts, a swinging contact arm which is set in the closed positionby the handle operating through the toggle joint, the movement of whichis limited in the closing direction by the stop. The latter is made ad-justable by an eccentric pin or equivalent. Connected to the toggle isthe plunger of the… … PlGS. 2.250 to 2.253.—Elementary diagrams illustrating the I a carta breaker of the overload type, showing the progressive opening of such device. Fig- - -closed position; fig. 2,251, main contacts open; fig. 2.252, intermediate contacts open; fig.2,253, carbon contacts open, circuit broken.…
Electrical engineering
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