1.General description
VACG series AC M.V. vacuum contactor is suitable for power system of AC 50Hz,main circuit rated voltage uo to 3.6kV,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 standard,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
| Item |
Unit |
Data |
| Main circuit rated voltage |
kV |
3.6 |
3.6 |
| Main circuit rated current |
A |
400 |
630 |
| Rated frequency |
Hz |
50 |
50 |
| Power-frequency withstand voltage |
kV |
18 |
18 |
| Rated making current |
A/100times |
4000 |
6300 |
| Rated breaking current |
A/25times |
3200 |
5000 |
| Maximum breaking current |
A/3times |
4000 |
6000 |
| Opening time |
ms |
≤80 |
≤80 |
| Closing time |
ms |
≤100 |
≤100 |
| Clearance between open contacts |
mm |
3(+0.5,0) |
3(+0.5,0) |
| Over travel |
mm |
≥1 |
≥1 |
| Mechanical life time |
times |
1,000,000 |
1,000,000 |
| Electrical life |
times |
600,000 |
600,000 |
4.Packaging
For Vacuum Circuit Breaker, pls click: https://china-vacem.en.made-in-china.com/product-group/roqEnxmCTUYh/Vacuum-Circuit-Breaker-catalog-1.html
5.International fairs
6. Company show
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