共找到 191 条与 相关的标准,共 13 页
Low voltage panelboards for household use
Enclosed Switches for Low Voltage Circuits (AC 600V and below)
Multi-power automatic switching device for low-voltage power distribution system
IC card water saving controller
AC load break switches for 3.3 kV or 6.6 kV
High-voltage vacuum electromagnetic contactors
Gas insulated load break switch for 25.8 kV overhead line
Common specifications for high-voltage switchgearand controlgear standards
Alternative Circuit-Breaker for Extra-High Voltage, High Voltage
AC circuit breakers for 6.6 kV or 3.3 kV
AC Load Break Switches with Tripping Device for 3.3kV or 6.6kV
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