Category
3kV LV Vacuum Contactor/Switch for Mining, VACJ5-200,400A/3.6kV
1. General description
VACJ5 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz, rated current 400A and below, rated voltage 3.6kV, for remotely making and breaking circuit, frequency starting and controlling AC motor. It also could be combined with fuse and protector to replace vacuum circuit breaker.
The contactor complies with GB/T 14808, IEC 60470 and JB/T 7122 standard, the main performance indicators have reached the international level.
2. Main technical parameter
Item | Unit | Data | |
Main circuit rated voltage | kV | 3.6 | 3.6 |
Main circuit rated current | A | 200 | 400 |
Rated frequency | Hz | 50 | 50 |
Power-frequency withstand voltage | kV | 18 | 18 |
Rated making current | A/100times | 2000 | 4000 |
Rated breaking current | A/25times | 1600 | 3200 |
Maximum breaking current | A/3times | 2000 | 4000 |
Opening time | ms | ≤120 | ≤120 |
Closing time | ms | ≤150 | ≤150 |
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 | 300,000 | 300,000 |
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