VC

o

-

o

o

o 

/

o

o

-

o

o

1

2

3

4

5

6

7

8

Type form

VC7-12

Raed work voltage

kV

12

Rated work current

A

160

250

400

630

Rated frequency

Hz

50/60

Rated thermal current

A

160

250

400

630

Rated making capacity

A

1600

2500

4000

6300

Rated breaking capacity

A

1280

2000

3200

5040

Limit breaking capacity

A

1600

2500

4000

6300

Limit breaking capacity

A/S

1600/4

2500/4

4000/4

6300/4

Operating cycle

Long time

Time/hr

300

Short time

Time/hr

600

Method of operation

Non-Latched

Mechanical endurance

Ops.

1000000

Electrical endurance

Ops.

200000(AC-3)

Operation voltage

V

AC or DC 120,220

Closing time

ms

≤200

Opening time

ms

≤160 (electric hold type)

≤60 (mechanical hold type)

Power frequency
withstand voltage

Main circuit

kV

42

Secondary

kV

2.0

Auxiliary switch

3a,3b