Hangzhou Yongde Electric Appliances Co.,Ltd
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Neutral Point Isolator for Earthing System GW8-72.5
Characteristics:
The products have property of simple structure, reliable property, wide usage, economical and long using time.
We have whole specification and can satisfy user's different parameter requirement.
Connecting terminal and the electric pole is made by casting aluminum-alloy and section bar, having the good property of high-intensity, good flowing and anti-corrosion
Specifications:
| No | Item | parameter | |||
| 1 | Rated Voltage kV | 72.5 | 123 | 145 | |
| 2 | Rated Current A | 630, 1250 | |||
| 3 | Rated Short Time withstand current and time kA/s | 25-40/4 | |||
| 4 | Rated Peak withstand current kA | 63-100 | |||
| 5 | 1min power frequency withstand voltage (effective value) kV | To earth | 140 | 230 | 275 |
| To phase | 140 | 230 | 275 | ||
| 6 | Lightning impulse withstand voltage v(peak value) kV | To earth | 325 | 550 | 650 |
| To phase | 325 | 550 | 650 | ||
| 7 | Rated mechanical terminaload N | Level of lateral load | 750 | 1500 | 1500 |
| Level of vertical load | 500 | 1000 | 1000 | ||
| Vertical force | 750 | 1000 | 1000 | ||
| 8 | Max Man Operative Moment N. m | 200 | |||
| 9 | control voltage V | AC220 DC110 or220 | |||
| 10 | motor voltage V | AC220 or380 DC110 or220 | |||
