Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 344
well openedbefore the secondary opens. What has been described constitutes a circuit breaker,but a circuit breaker is always an automatic device. Anoil switch may or may not operate automatically, butwhen we say circuit breaker we always mean an auto-matic one. ELECTRICAL WORK—POWER 345 The circuit… … Fig. 163. Large Capacity Breaker. Carbon Break Type 2000 to10000 Amperes. the catch, the other end is fastened to an iron armatureor core. All the current in the particular circuit which thebreaker is in passes through a solenoid which exerts anattraction on the core or armature. 346 ELEMENTARY…
Electricity
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