Full Description

2-element, 3-position relays for railway signalling circuits up to 250 volts. Mounting, mechanical clearances, bearings, coils, contact capacity, contact pressure, contact resistance, flexible connections, terminals and terminal markings, insulation tests, pick-up and drop away values, labelling and marking, finish, pointer scale.

Cross References:
BS 442

Product Details

Published: 06/15/1951 ISBN(s): 0580006670 Number of Pages: 16File Size: 1 file , 360 KB Product Code(s): 00021162, 00021162, 00021162 Note: This product is unavailable in United Kingdom