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CKJ5 Series Low Voltage Vacuum Contactor
This series of vacuum contactors is designed for use in AC electrical networks with a frequency of 50–60 Hz with a rated main circuit voltage of up to 1.6 kV and a rated current of 160 A, 250 A, 400 A and 630 A.
Description
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Product Description
This series of vacuum contactors is intended for use in AC electrical networks with a frequency of 50–60 Hz with a rated main circuit voltage of up to 1.6 kV and a rated current of 160 A, 250 A, 400 A and 630 A. The contactors provide remote switching on and off, and are also designed for frequent starts and control of asynchronous motors, transformers and capacitor banks. Contactors are available in two versions: with a magnetic mechanism and with electrical fixation.
Vacuum contactors with a magnetic mechanism are characterized by increased energy efficiency - after switching on, they do not consume electricity to hold them, which makes them an optimal energy-saving switching device with wide market demand.
| Parameter | 160,250,400/1.14-1.6kV | 630,800/1.14-1.6kV | 1000,1250/1.14-1.6kV |
| Rated voltage of the main circuit, V | 1140-1600 | 1140-1600 | 1140~1600 |
| Rated current of the main circuit, A | 160,250,400 | 630,800 | 1,000/1,250 |
| Switching capacity of the main circuit (switching on), A / 100 cycles | 160,025,004,000 | 6300 | 8,000/10,000 |
| Switching capacity of the main circuit (shutdown), A / 10 cycles | 4000 | 5000 | 6,000/8,000 |
| Ultimate breaking capacity, A / 3 cycles | 5000 | 6300 | 8,000/10,000 |
| Electrical durability AC3, 10 thousand cycles | 30 | 30 | 30 |
| Mechanical wear resistance, 10 thousand cycles | 100 | 100 | 100 |
| Rated operating frequency AC3, cycles/h | 300 | 300 | 300 |
| Gap between contacts, mm | 2±0.2 | 2±0.2 | 2±0.2 |
| Contact overtravel, mm | 1.0±0.2 | 1.0±0.2 | 1.0±0.2 |
| Auxiliary circuit control voltage, V | AC or DC: 36 / 110 / 220 / 380 or customized | ||
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