12kV High Voltage 5 poles Contactors AC 630A Vacuum Contactor

CKG3-12 series high voltage vacuum AC contactor is suitable for AC 50-60Hz, the main circuit rated working voltage is 12KV, the rated current is below 630A in the power network for long distance connection and disconnection line and frequent start. It is suitable for controlling AC motors, and it is more suitable to replace the vacuum circuit breaker with fuses and various protection devices.

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12kV High Voltage 5 poles Contactors AC 630A Vacuum Contactor

Electrical Products

Features
Technical Parameters
Dimensions

Features of CKG3-12 12kV High Voltage 5 Poles Vacuum Contactor

1. High arc extinguishing capacity
2. Good pressure resistance
3. High operating frequency
4. Long life
5. No arcing out
6. Small volume
7. Light weight
8. Longer maintenance intervals
PS: vacuum contactor switch with special requirements, specifications and dimensions that need to be improved can be designed and manufactured according to user requirements.

Applying Ambient Conditions:
1. The ambient air temperature is not higher than +40°C, not lower than -10°C;
2. The altitude of the installation site should not exceed 1000 meters for the ordinary type and 4000 meters for the plateau type;
3. The relative humidity of the air, the monthly average maximum relative humidity of the wettest month is 90%, the monthly average minimum temperature of the month is 25C, and the condensation on the product surface due to humidity changes is considered;
4. There is no obvious shaking and shock vibration occasions.
5. In a place without explosion hazard, and there is no gas and dust (including conductive dust) sufficient to corrode insulation;
6. Places without rain and snow.

CKG3-12 Series High Voltage Vacuum Contactor Paramenters

Main circuit rated voltage (kV)	12	12	12	12
Main circuit rated current (A)	160	250	400	630
Main circuit Joint capacity (A/100 times)	1600	2500	4000	6300
Main circuit on-off capability (A/10 times)	1280	2000	3200	5000
Ultimate breaking capacity (A/3 times)	3200	4000	4500	6300
Mechanical life (times)	1000000	1000000	1000000	1000000
Mechanical lock life (times)	100000	100000	100000	100000
Main circuit power frequency withstand voltage (kV)	32	32	32	32
Auxiliary circuit power frequency withstand voltage (kV)	2.5	2.5	2.5	2.5
Control circuit frequency withstand voltage (kV)	2	2	2	2
Rated operating frequency (time/h)	300	300	300	300
Mechanical lock operating frequency (time/h)	30	30	30	30
Contact opening (mm)	5±0.5	5±0.5	5±0.5	5±0.5
Overtravel (mm)	1.5±0.3	1.5±0.3	1.5±0.3	1.5±0.3