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Low Voltage Vacuum Contactor (CKJ40)
Low Voltage Vacuum Contactor (CKJ40)
Low Voltage Vacuum Contactor (CKJ40)
Low Voltage Vacuum Contactor (CKJ40)

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.

Feature
1

The vacuum contactor features a fully enclosed structure, making it dust-resistant, aging-resistant, aesthetically pleasing, and maintenance-free.

2

It uses military-grade specialized vacuum ceramic bottles with high capacity and excellent heat dissipation.

3

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.

4

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.

Parameter
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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Low Voltage Vacuum Contactor (CKJ40)
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