No.

Parameter name

Unit

Value

1

Rated voltage

kV

12

2

Rated current

A

630

3

Rated frequency

Hz

50

4

Rated put through current

kA

6.3

5

Rated breaking current

kA

5.04

6

Limiting breaking current

kA

6.3

7

Rated short-time withstand current

kA

6.3

8

Rated short-time withstand voltage

kV

42

9

Rated lighting impulse voltage

kV

75

10

Mechanical life

Time

500000

11

Contact antomatic blocking ability

N

70±20

12

Force required to hold contacts open at full stork

N

100±30

13

Contact automatic blocking ability loop electrical resistance

μΩ

≤80

14

Contact-wear allowance tickness

mm

3

15

Shelf life

year

20

16

Internal gas pressure

Pa

≤1.33×10^-3