earthing switch 中文意思是什麼
earthing switch
解釋
接地電門-
Railway applications - fixed installations - d. c. switchgear - indoor d. c. disconnectors, switch - disconnectors and earthing switches
鐵路設施.固定設備.直流開關裝置.室內直流切斷開關負荷開關和接地開關 -
Railway applications - fixed installations - d. c. switchgear - outdoor d. c. disconnectors, switch - disconnectors and earthing switches
鐵路設施.固定設備.直流開關裝置.室外直流切斷開關負荷開關和接地開關 -
Single - post earthing switch ; rated voltage 420 kv ; terminal and mounting dimensions, layout
單柱接地開關.額定電壓為420kv .連端子和安裝尺寸布 -
Double - pole sockets with switch and earthing contact, ac dc 10 a, ac dc 250 v, degree of protection ip 56
交流250v 10a帶開關和帶保護觸點的兩極插座.保護類
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