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JCZ8C-12 Series High Voltage Vacuum Contactor
This series of high-voltage vacuum contactors is equipped with specialized vacuum arc chutes designed for switching capacitor banks that have undergone high-current training.
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Product Description
This series of high-voltage vacuum contactors is equipped with specialized vacuum arc chutes designed for switching capacitor banks that have undergone high-current training. The cameras are securely mounted in a single structure with insulating supports and a metal frame, which ensures safety and reliability.
Contactors of this series are distinguished by a large stroke of the mechanism, high breaking capacity, small jump of contacts when turning on and off, stable operation of the coils and good phase synchronization. Particularly suitable for switching capacitor banks. Available in two versions: with electromagnetic fixation and with magnetic drive. Can be used as switching switches in reactive power compensation devices with capacitor banks with a total power of up to 3000 kvar.
| Parameter | 160.250/12(7.2) | 400/12(7.2) | 630/12(7.2) | 800/12(7.2) | 1000,1250/12(7.2) |
| Rated voltage of the main circuit, kV | 12(7.2) | 12(7.2) | 12(7.2) | 12(7.2) | 12(7.2) |
| Rated current of the main circuit, A | 160 | 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 |
| Mechanical wear resistance, 10 thousand cycles | 100 | 100 | 100 | 100 | 100 |
| Mechanical wear resistance of the latch mechanism, 10 thousand cycles | 10 | 10 | 10 | 10 | 10 |
| Electrical durability AC3, 10 thousand cycles | 25 | 25 | 25 | 25 | 25 |
| Wear resistance of the mechanism with permanent magnets, 10 thousand cycles | 20 | 20 | 20 | 20 | 20 |
| Power frequency test voltage of the main circuit (with open contacts), kV | 42(32) | 42(32) | 42(32) | 42(32) | 42(32) |
| Power frequency test voltage (between phases / phase-ground), kV | 42(32) | 42(32) | 42(32) | 42(32) | 42(32) |
| Test lightning impulse voltage, kV | 75(60) | 75(60) | 75(60) | 75(60) | 75(60) |
| Rated operating frequency, cycles/h | 150 | 150 | 150 | 150 | 150 |
| Operating frequency of permanent magnet mechanism, cycles/hour | 30 | 30 | 30 | 30 | 30 |
| Contact pressure, N | >100 | >100 | >100 | >100 | >100 |
| Gap between contacts, mm | 6(5)±0.5 | 6(5)±0.5 | 6(5)±0.6 | 6(5)±0.5 | 6(5)±0.4 |
| Contact overtravel, mm | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 |
| Main circuit resistance, µOhm | ≤200 | ≤200 | ≤200 | ≤150 | ≤150 |
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