ANSI/IEEE C37.17-1972 American National Standard for Trip Devices for AC and General Purpose DC low-voltage power circuit breakers

ANSI/IEEE C37.17-1972 Американский национальный стандарт для устройств командировочных для переменного и постоянного тока общего назначения выключателей питания низкого напряжения

This standard pertains to direct-acting overcurrent, reverse-current, and undervoltage trip devices of the electromechanical and ac solid-state types integral with lowvoltage ac and general-purpose dc power circuit breakers covered by American National Standards C37.13-1963 (R1969), C37.14-1969, C37.16-1970, C37.19-1963, and C37.28-1969.1 (See Section 12 for complete titles.) The solidstate direct-acting overcurrent trip devices may include ground trip elements