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Vacuum Ring Main Unit

WTN (ZN) -12 series vacuum ring main unit is a light and flexible switchgear with simple structure, flexible operation, reliable interlocking, modular design and rear pressure relief channel, making the switchgear safer and more reliable. Advanced technology and flexible assembly features can fully meet the changing needs of the market. It is widely used in secondary substations, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, small and medium-sized power plants, hospitals, stadiums, etc.

Cabinet Type

12kv

K

T

V

Arc extinguishing method

Vacuum

Vacuum

Vacuum

Rated voltage (kV)

12

12

12

Rated frequency (Hz)

50

50

50

Rated current (A)

630

125

630

Rated short-time withstand current (kA)

20/25

20/25

20/25

Rated short-circuit duration (S)

4

4

4

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