01393nam 2200373 450 99627956040331620231206190614.00-7381-4277-810.1109/IEEESTD.1970.8684499(CKB)3780000000089268(NjHacI)993780000000089268(EXLCZ)99378000000008926820231206d1970 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierANSI/IEEE Std C37.30-1971 American National Standard Definitions and Requirements for High-Voltage Air Switches, Insulators, and Bus Supports /Institute of Electrical and Electronics EngineersPiscataway, NJ :IEEE,1970.1 online resource (20 pages)Superseded. Required ratings and constructional requirements for switches above 1000 V are described.ANSI/IEEE Std C37.30-1971: American National Standard Definitions and Requirements for High-Voltage Air Switches, Insulators, and Bus SupportsElectric circuit-breakersElectric switchgearElectric circuit-breakers.Electric switchgear.621.317NjHacINjHaclDOCUMENT996279560403316ANSI2072434UNISA