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 108
e handledownward to the position shown in fig. 2,250, that is as far as it will go. Since the toggle has passed the center line the arm will be held nor-mally in this position because of the spring action of the contacts. Now,if the current rise above a pre-determined limit, the pull exerted bythe… … Fig. 2.254.— I-T-E overload circuit breaker. In operation: the current from one side of thecircuit enters the circuit breaker at A, passing through the laminated bridge B to con-tact block C, thence through coil D and terminal E to the motor. The coil D sur-rounds a magnetic core, having pole…
Electrical engineering
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