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 129
circuit opening relays to cut out the trip coil of an oilswitch during normal operation, has been described, and in the shorttime that the trip coil is in circuit, it does not affect the accuracy of theinstrument readings. This practice, however, does not apply in the 1,648 HAWKINS ELECTRICITY case… … Fig. 2,302.—Condit type K circuit breaker with shunt trip and no voltage attachment. Theshunt trip is usually applied as an auxiliary to other types of trip. It consists of a fine wirecoil which is mounted as a self-contained part of the breaker and which when energized,trips the circuit breaker.…
Electrical engineering
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