FZN16A-12D/T630 indoor high voltage vacuum load break switch

No

Item

Unit

Specification

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

4

1min power frequency withstand voltage(valid)against ground, between phases/isolating fracture

kV

42/48

5

Full wave lighting impulse withstand(peak) against ground, between phases/isolating fracture

kV

75/85

6

Rated short-time withstand current(thermal stability)

kA/S

20/3

7

Rated peak withstand current(dynamic stability)

kA

50

8

Rated short-circuit closing current

kA

50

9

Rated current breaking times

times

10000

10

Mechanical life

times

10000

11

Contacts allowable abrasive accumulation thickness

mm

3

12

On-off operating torque

N.m(N)

120(240)

13

Rated closing operation voltage/current

V/A

-220/0.5

14

Rated opening operation voltage/current

V/A

-220/3