WebES1 earthing switch.After comprehensive evaluation,it conforms to GB1985 AC HV disconnect switch and earthing switch and IEC129,applies to power system of 3-12kV and three-phase AC 50(60)Hz.It owns short-circuit making capacity to protect other electric equipment not being damaged.Can Webgb 1985-2014,本标准适用于设计安装在户内和户外,且运行在频率50 hz、标称电压3 000 v及以上的系统中,端子是封闭的和敞开的交流隔离开关和接地开关。 本标准也适用于 …
GB-1985 High-voltage alternating-current disconnectors and ...
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GB 1985-1989 English Version, GB 1985-1989 Alternating current …
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