BS 3871-1:1965:1990 Edition
$142.49
Specification for miniature and moulded case circuit-breakers – Miniature air-break circuit-breakers for a.c. circuits
Published By | Publication Date | Number of Pages |
BSI | 1990 | 58 |
Miniature circuit-breakers with fixed unadjustable time/current characteristics having current ratings up to 100 A and voltage ratings up to 415 V. Rating, design and construction. Type and routine tests. Appendices on: application, discrimination, short-circuit operation, measurement of prospective current and recovery voltage, computation of power factor and information to be included on records of type tests.