GW4-40 series outdoor high voltage disconnector used for open of closing circuits under voltage but no-load condition in 36/40KV outdoor electrical system. It has fixed draw hook and self-locking device, effect operation with insulating hook-stick. Anti-pollution type can effectively solve flash due to pollution during the operation to satisfy the requirement of users in strong pollution area.
Working Environment:
◆ Altitude: not higher than 3000m;
◆ Ambient temperature: -40℃ ~ +40℃;
◆ Wind speed: not exceed 35 m/s;
◆ Conductive dust, chemical corrosive gas and severe vibration are not allowed;
◆ There must be no risk of fire and explosion;
◆ Pollution level: Ⅳclass;
◆ Earthquake intensity: not exceed 8 degrees.
Model | Rated Voltage (kV) | Rated Current (A) | Rated Current (A) | 4’s Short-Time Withstand Current (kA) |
GW4-12 | 12 | 200 | 40 | 16 |
400 | 50 | 20 | ||
630 | 50 | 20 | ||
1000 | 63 | 25 | ||
1250 | 63 | 25 | ||
GW4-40.5D | 40.5 | 400 | 50 | 20 |
630 | 50 | 20 | ||
1000 | 63 | 25 | ||
1250 | 80 | 31.5 |
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