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 115
CIRCUIT OPENING , n SWITCH 5HUNT TRIPCOIL TRIPPINGSWITCH 7 Fig. 2,270.—Diagram of General Electric shunt trip with auxi.iary circuit opening, switch tothrow coil out of circuit after tripping. … Fig. 2,271.—General Electric shunt trip at-tachment. The shunt trip attachment hasbeen designed to provide for conditionsunder which the low voltage attachmentcannot be successfully applied. It resem-bles the low voltage attachment in con-struction, but differs in that it trips thecircuit breaker…
Electrical engineering
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