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CKJ20 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 2 kV and a rated current of 160 A, 250 A, 400 A, 630 A, 800 A, 1000 A to 1250 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 2 kV and a rated current of 160 A, 250 A, 400 A, 630 A, 800 A, 1000 A to 1250 A. The contactors provide remote switching on and off, and are also designed for frequent starts and control asynchronous motors, transformers and capacitor banks. Contactors are available in two versions: with a magnetic mechanism and with electrical fixation. Sealed design, aesthetic appearance, high price-quality ratio. The installation dimensions are fully compatible with CJ20 contactors for easy replacement. Simple operation, stable and reliable operation, maintenance-free, long service life, high price-performance ratio - an ideal solution for replacing outdated contactors.
This series also features vacuum contactors with a magnetic mechanism, which, once switched on, do not consume any holding power, making them an energy-saving switching device. Suitable for use in modes with rare switching and long-term retention in the on position.
| Parameter | 160,250,400/1.14-1.6kV | 630,800/1.14-1.6kV | 1000,1250/1.14-3.6kV |
| 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 | 1,600/2,500/4,000 | 6,300 | 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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