Westinghouse - ACB-640R

Below are all the different types of Westinghouse. Select the device of your choice, to download the manual

Contents

REVISED 9 24 64 PRELIMINARY INSERT Technical Manual Insert for NAVSHIPS 362 1630 WEST1NGH0USE T M 32 8S5 1C1 HOLD IN FOR NAVY TYPE ACB 640R CIRCUIT BREAKER WESTINGHOUSE TYPE DBN 406 TECHNICAL MANUAL 32 855 14C1 BUREAU OF SHIPS NAVY DEPARTMENT JULY 1964 ACB 640R CIRCUIT BREAKER HOLD IN FUNCTION The function of a hold in device is to permit closing of a circuit breaker on over loads which exceed the overcurrent trip settings The breaker will stay closed as long as the hold in is depressed OPERATION Depressing plunger 4 rotates weight 294 counterclockwise which blocks plate 291 figure 1 2 8 from rotating cotinterclockwise This restrains trip bar 240 from rising sufficiently to trip the breaker When plunger ...