錶前掣作用
$220.00
In stock
Description
錶前掣作用,二萬二仟伏總開關掣，即用以直接從港燈電源獲取電力的斷路器， 其額定電壓須為二萬二仟伏及額定短時耐受電流須為25 千安均方根 (最少維持3 秒)。
Beige and white GG Supreme canvas
什麼叫錶尾掣?
Gold-toned hardware
有關中電錶前掣一問
Double G
Inside: 6 open pocket
電力裝置設計指南
Chain top handle with 7″ drop
Top zip closure
客戶內部配電系統與供電及電錶安裝指
5.5″W x 1.9″H x 1.3″D
Weight: 0.6lbs approximately
香港自學裝修網
Additional information
| Dimensions | 9.2 × 4.9 × 2.2 in |
|---|
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