Category
3kV LV Vacuum Contactor/Switch for Mining, VACG6-400,630A/3.6kV-Y
1. General description
VACG series AC L.V. vacuum contactor is suitable for power system of AC 50Hz, main circuit rated voltage up 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 vacuum contactor complies 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 | 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,-0.5) | 3(0,-0.5) |
Over travel | mm | ≥1 | ≥1 |
Mechanical life time | times | 1,000,000 | 1,000,000 |
Electrical life | times | 600,000 | 600,000 |
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