These specifications are intended as a reference for purchasers and users of circuit breakers in the preparation of requests for quotations and as a reference for manufacturers and vendors in…
This standard applies to all low-voltage power circuit breakers of the 600-volt insulation class capable of interrupting short-circuit currents in excess of 10,000 amp (amperes) for use with ac circuits.…
This standard covers the following equipment. 19-1.1 Low-Voltage AC Power Circuit Breakers. Low-voltage ac power circuit breakers (not molded-case breakers) with interrupting ratings of over 10,000 amp (amperes), 1,000 volts…
Over the years, the isolated-phase bus has received widespread application in connecting the output of generators to step-up transformers. The trend toward generating units of larger capacity has dictated the…
High voltage disconnecting switches are assigned certain ratings by the manufacturer and standard tests are conducted to assure the user that the switch, when new, will perform within the ratings…
This publication represents standard practices in the United States relating to alternating-current power circuit breakers. It contains data secured from many sources notably the established standards of the American Institute…
This standard applies to high voltage fuses (600 volts and above) and accessories as follows: (1) Distribution oil cutouts (2) Fuse housings, fuse supports, fuse mountings, and fuse links, all…
This standard applies to high voltage fuses (above 600 volts) and accessories as follows: (1) Power fuses for systems or circuits above 600 volts (2) Outdoor and indoor fuse disconnecting…