Product features:

u       Module type construction enables combination at discretion

u       Current of fused mass 6.3-200A optional

u       Frequent and high frequency operation

u       With mechanical and electric interlocking guarantee

u       Long life, maintenance free

u       Extremely low operating over-voltage

u       Outline and installation dimension is consistent with that of Model VH4 of our company

Applicable environment:

u       Ambient temperature: -25 to +40

u       Relative humidity: daily average ≤95%

                   monthly average ≤90%

u       Altitude: ≤1000m

u       Air contamination resistant class

u       Earthquake intensity not exceeding 8 degrees

Designation of parameters

Unit

Technical data

Vacuum contactor

Composite apparatus

Rated voltage

kV

12

12

Power frequency withstand voltage at 1 min

42

42

Lightning impulse withstand voltage (peak value)

75

75

Rated frequency

Hz

50

50

Rated current

A

400

200

Rated breaking current

kA

5

50

Limit breaking current

6.3

-

Rated closing current

6.3

63

Rated short time withstand voltage (4s)

5

-

Rated transfer current

A

-

3150

Resistance of major loop

≤150

≤200

Half wave allowable passing current

μΩ

50

50

Weight

kA

36

98

Switch-on time

kg

110±30

Switch-off time

ms

25±10

Mechanical life

Thousand times

300

Operating frequency

Time/h

600

Number of auxiliary contact

pair

Four open, four closed

Rated operating voltage

DC220V

Max. working current 4A

DC110V

Max. working current 8A

AC220V

Max. working current 4A