JB/T 3346-2002
反时限过电流继电器
Inverse time overcurrent relay
2002-07-16
IEEE C37.112-2018
IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays
IEEE过电流继电器反时限特性方程标准
2019-02-05
JIS C 4602-2017
Overcurrent relays for 6.6 kV consumers
6.6 kV用电设备用过电流继电器
2017-01-01