 刪除後的接地故障防護要求 .jpg)
錶前掣作用
$215.00
In stock
Description
錶前掣作用, 裝E/F要度水氣，又要證明個CT Saturation voltage得，仲要試個E/F relay. 以前100A通常唔夠水氣先會用ELCB/RCD. 依家就愈拆愈細，好多裝修師 .
Beige and white GG Supreme canvas
MCCB 在守則表 11(13) 刪除後的接地故障防護要求
Gold-toned hardware
有關中電錶前掣一問
Double G
Inside: 8 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
8.4″W x 5.5″H x 2.5″D
Weight: 0.9lbs approximately
香港自學裝修網
Additional information
| Dimensions | 9.2 × 1.8 × 2.7 in |
|---|
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