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JCZ1-40.5kV Series Vacuum Contactor
This series of high voltage vacuum contactors adopts high quality vacuum arc chutes combined with metal frame and insulation supports to provide superior breaking performance.
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Product Description
This series of high voltage vacuum contactors adopts high quality vacuum arc chutes combined with metal frame and insulation supports to provide superior breaking performance. Contactors are designed for use in single-phase or two-phase AC electrical networks with voltages up to 40.5 kV for remote switching on and off, as well as for frequent starts and control of active, inductive and capacitive loads.
JCZ1 series single-pole high-voltage vacuum contactors are often used as the main grounding switch in power system protection circuits, including arc extinction in signal sources, resonance damping in neutral grounding, and load blocks. They are distinguished by their compact size, high speed when turning on and off, as well as high breaking capacity. Can be used in electrical power systems with a voltage of 40.5 kV or in systems with a voltage of 12 kV at altitudes of more than 4000 meters above sea level.
| Parameter | 160.250-40.5kV | 400/40.5kV | 630/40.5kV | 800/40.5kV | 1000,1250/40.5kV |
| Rated voltage of the main circuit, kV | 40.5 | 40.5 | 40.5 | 40.5 | 40.6 |
| Rated current of the main circuit, A | 160,250 | 400 | 630 | 800 | 10,001,250 |
| Switching capacity of the main circuit (switching on), A / 100 cycles | 2500 | 4000 | 6300 | 8000 | 10000 |
| Switching capacity of the main circuit (shutdown), A / 25 cycles | 2000 | 3200 | 5000 | 6000 | 8000 |
| Ultimate breaking capacity, A / 3 cycles | 4000 | 4500 | 6300 | 8000 | 10000 |
| Wear resistance of the mechanism with permanent magnets, 10 thousand cycles | 10 | 10 | 10 | 10 | 10 |
| Power frequency test voltage of the main circuit (with open contacts), kV | 85 | 85 | 85 | 85 | 85 |
| Power frequency test voltage (between phases / phase-ground), kV | 95 | 95 | 95 | 95 | 95 |
| Test lightning impulse voltage, kV | 185 | 185 | 185 | 185 | 185 |
| Rated operating frequency, cycles/h | 100 | 100 | 100 | 100 | 100 |
| Gap between contacts, mm | 15±2 | 15±2 | 15±2 | 15±2 | 15±3 |
| Contact overtravel, mm | 3±1 | 3±1 | 3±1 | 3±1 | 3±2 |
| Main circuit resistance, µOhm | ≤200 | ≤200 | ≤200 | ≤200 | ≤200 |
| Auxiliary circuit control voltage, V | |||||
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