FZW32 outdoor high voltage isolation vacuum load switch

Technical Specification

Rated voltage

kV

12

40.5

Rated frequency

Hz

50

50

Rated current

A

630

1250

Rated active load breaking current

A

630

1250

Rated closed-loop breaking current

A

630

1250

5% rated active load breaking current

A

31.5

62.5

Rated cable charging breaking current

A

10

25

Rated no-load transformer breaking capacity

kVA

1600

1600

Rated breaking capacitor bank current

A

100

100

1min power frequency withstand voltage: vacuum fracture, phase, relative / isolation fracture

kV

42/48

68/95/110

Lightning impulse withstand voltage: phase-to-phase, relative/isolated fracture

kV

75/85

185/215

ated short-time withstand current (thermal stability)

kA

20

25

Rated short circuit duration

S

4

4

ated peak withstand current (dynamic stability)

kA

50

63

Rated short circuit closing current

kA

50

63

Mechanical life

Times

10000

10000

Vacuum arcing contacts allow wear thickness

mm

0.5

0.6

Manual operating torque

N.m

≤200

≤300

Contact opening distance

mm

5±1

Average opening speed

m/s

1.1±0.2

Three-phase opening

ms

≤5

Load switch vacuum interrupter assembly adjustment

Three-phase closing

ms

≤2

Charged body and relative distance

mm

>200

Auxiliary loop resistance

μΩ

≤300