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12kv Two Poles AC Vacuum Contactor Voltage Contactor

    12kv Two Poles AC Vacuum Contactor Voltage Contactor

    High Voltage AC Vacuum Contactor CKG3-12, 160A–630AThe CKG3 series AC vacuum contactor (160–630A) is designed for high-voltage AC networks up to 12kV, with a frequency of 50Hz. It is ideal for long-distance circuit connection and disconnection, as well as frequent starting and stopping of AC motors. This contactor works seamlessly with various protection devices and can be assembled into a flameproof electromagnetic starter.Suitable for power distribution systems below 12kV, the CKG3 vacuum contactor can be equipped with a mechanical interlocking shaft between two units, en...
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High Voltage AC Vacuum Contactor CKG3-12, 160A–630A

The CKG3 series AC vacuum contactor (160–630A) is designed for high-voltage AC networks up to 12kV, with a frequency of 50Hz. It is ideal for long-distance circuit connection and disconnection, as well as frequent starting and stopping of AC motors. This contactor works seamlessly with various protection devices and can be assembled into a flameproof electromagnetic starter.

Suitable for power distribution systems below 12kV, the CKG3 vacuum contactor can be equipped with a mechanical interlocking shaft between two units, enabling mechanical and electrical interlocking. It is widely used for forward/reverse motor control, power braking, and main line switching in electronic control circuits.

With frequent operation capability, long mechanical life, high reliability, low maintenance, and excellent switching performance, the CKG3 series is also perfect as the main switch for loads such as high-voltage fans, providing safe and stable operation.


Item

Data

Rated working voltage (Ue)

12 kV

Rated working current (Ie)

160A, 250A, 400A, 630A

Power frequency withstand voltage

42 kV

Lightning impulse withstand voltage

75 kV

Rated breaking capacity

8Ie, 25 times

Rated closing capacity

10Ie, 100 times

Rated short-time withstand current

1.6kA, 2.5kA, 4kA, 6.3kA (10Ie)

Rated peak withstand current

4kA, 6.3kA, 10kA, 16kA (25Ie)

Short circuit current breaking and closing

0–180s-C0–180s-C0, 1 time

Overload withstand current

2.4kA, 3.8kA, 6kA, 10kA

Rated opening distance

5.5 ± 0.5 mm

Overtravel

21.5 mm

Closing synchronicity

≤2 ms

Mechanical life

500,000 times

Electrical life AC-3

250,000 times

Electrical life AC-4

100,000 times

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