説明
VACG series AC M.V. vacuum contactor is suitable for power system of AC 50Hz,main circuit rated voltage up to 12kv,rated current up to 630A,
for remote making and breaking,frequently starting and controlling AC motors,more suitable for matching with fuse and a variety of protection device to replace vacuum circuit breaker.
The contactor complies GB/T 14808,IEC 60470 and JB/T 7122 標準,the main performance indicators have reached the international level.
2. Normal using conditions
a. Environment temperature : -5ºC~+40ºC, and average value is no more than +35ºC within 24 hour.
b. Altitude: no more than 1000m.
c. Atmospheric conditions: monthly highest humidity in the most wet month is no more than 90% and monthly average minimum temperature
shall be 25ºC. Condensation on the products due to temperature changes shall be considered.
d. Impact vibration: The place is without extensive shaking, impact, and vibration.
e. The place is without explosion hazard, enchant gas and sleet.
f. No rain and snow in places
g. Pollution degree: Three grade
h. Installation type: .III
i. Installation condition: Slant angle between installation surface and vertical surface is no more than 15°.
3.Main technical parameter
| タイプ | Unit | VACG-160~630/7.2 | VACG-160~630/12 | ||||||
| 定格電圧 | kV | 7.2 | 12 | ||||||
| Rated current | あ | 160 | 250 | 400 | 630 | 160 | 250 | 400 | 630 |
| Making capacity | A/100times | 1600 | 2500 | 4000 | 6300 | 1600 | 2500 | 4000 | 6300 |
| Breaking capacity | A/25times | 1280 | 2000 | 3200 | 5000 | 1280 | 2000 | 3200 | 5000 |
| Rated P.F. withstand voltage | kV | 28 | 42 | ||||||
| Mechanical life time | times | 100,0000 | |||||||
| Rated operating frequency | times/h | 300 | |||||||
| Short-time operating frequency(20s) | times/h | 1000 | |||||||
| Mechanical lock operation frequency | times/h | 120 | |||||||
| Clearance between open contacts | mm | 4±0.2 | 6±0.5 | ||||||
| Over travel | mm | 1.8±0.2 | 1.8±0.2 | ||||||
| Closing time | ms | ≤80 | |||||||
| Opening time | ms | ≤40 | |||||||
| Main circuit resistance | μΩ | ≤200 | |||||||
| Tri-phase asynchronous time | ms | ≤2 | |||||||
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4.International fairs
5. Company show
