Rated voltage:

12KV

Rated current:

630A

Rated frequency:

50Hz

Rated short-time power frequency withstand voltage(1min):

42KV

Rated lighting impulse withstand voltage:

75KV

Rated short-circuit breaking current:

16/20KA

Rated short-circuit making current (peak):

40/50KA

Rated short-circuit making current:

40/50KA

Rated cloaed-loop breaking current:

630A

Rated active load breaking current:

630A

Rated cable charging breaking current:

10A

Rate single capacitor bank breaking current:

400A

Rated duration of short-circuit:

4s

Mechanical life:

10000times

Contact closing force due to bellows and atmosphere:

70±40N

Counterforce at rated contact stroke:

120±50N

Circuit resistance at rated contact force:

≤45μΩ

Shelf life:

20years

Contact erosion limit:

3mm

Weight of moving parts:

≤0.7kg

MECHANICAL DATA REQUIRED
FOR MATCHED VACUUM SWITCHGEAR

Rated contact stroke:

9±1mm

Average opening speed:

1.0±0.2m/s

Average closing speed:

0.65±0.2m/s

Added contact force:

700/900±50N

Contact bouncing duration at closing operation:

≤2ms

Contact bouncing bank amplitude of opening operation:

≤2mm

Three-pole simultaneity:

≤1ms