Low Voltage Vacuum Contactor (CKJ40)
This series of vacuum contactors reaches a high level of performance both domestically and internationally. These vacuum contactors are suitable for use in power network systems with alternating current (AC) at 50-60 Hz, with a main circuit voltage of 1.14-2 kV and a main circuit rated current ranging from 1000 A to 2000 A. This series particularly suitable for low-voltage compensation in submerged arc furnaces and as main switches on the AC side in wind power, and photovoltaic high-power inverter systems.
The vacuum contactor features a fully enclosed structure, making it dust-resistant, aging-resistant, aesthetically pleasing, and maintenance-free.
It uses military-grade specialized vacuum ceramic bottles with high capacity and excellent heat dissipation.
The product offers superior switching performance with good breaking and making characteristics. It can handle frequent operations with a mechanical life exceeding 300,000 cycles.
It is suitable for use as the main AC switch in locomotives, wind power systems, and high-power photovoltaic inverters. Additionally, it can frequently switch capacitor banks and is used in short-circuit compensation for electric arc furnace systems, providing stable and reliable performance.
| Tech. parameters | Model | 1000.1250/1.14~2KV | 1600/1.14~2KV | 2000/1.14~2KV |
| Rated voltage of the main circuit | (KV) | 1.14~2 | 1.14~2 | 1.14~2 |
| Rated current of the main circuit | (A) | 1000、1250 | 1600 | 2000 |
| Main circuit making capacity | (A/100times) | 8000 | 10000 | 12000 |
| Main circuit switching capability | (A/10times) | 8000 | 8000 | 8000 |
| Ultimate breaking capacity | (A/3times) | 10000 | 10000 | 10000 |
| Electrical endurance AC3 | (10,000 times) | 30 | 30 | 30 |
| Mechanical life | (10,000 times) | 100 | 100 | 100 |
| Rated operating frequency AC3 | (Ops./h) | 200 | 200 | 200 |
| Clearance between open contacts | (mm) | 5±0.5 | 5±0.5 | 5±0.5 |
| Overtravel | (mm) | 2±0.5 | 2±0.5 | 2±0.5 |
| Secondary control voltage | (V) | AC or DC:36/110/127/220/380or customized | ||
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Tel：+86 15538537280
Email：lycnelectric@163.com
Add：No. 9 Duyu Street, Luolong District, Luoyang City, Henan Province
