indoor High vacuum circuit breaker

Serial number

Name

Unit

Value

1

Rated voltage

kV

40.5

2

Fixed insulation level

Labor frequency voltage

( 1min )

95

Lightning surge voltage (peak value)

185

3

Nominal frequency

Hz

50

4

nominal currents

A

1600,2000

5

fixed single condenser banks drop-out currents

400

6

fixed short-circuit drop-out current

kA

25 31.5

7

7 fixed short-circuits the pass to gather the electric current (peak value)

63 80

8

fixed peak values electric currents

63 80

9

fixed short-time electric currents (4s)

25 31.5

10

The fixed out of phase short-circuits the drop-out current

21.7 27.4

11

Fixed operation sequence

0-0.3s-CO

-180s-CO

12

minute floodgates time (rated voltage)

s

≤ 0.06

13

Gathers Floodgate time (rated voltage)

≤ 0.1

14

Mechanical life

6000

15

Electricity life

Opens breaks the nominal current

6000

Opens breaks fixed short-circuits the drop-out current

20

16

Moves, the static contact permission attrition thickness

mm

3

Serial number

Name

Unit

Value

1

Contact travelling schedule

mm

25

2

Overtravel

8

3

Alternates with the center distance

460 ± 2.5

4

Oil cushion power stroke

15

5

Averageg gathers floodgate speed

m/s

0.8 ± 0.2

6

After evenly divided equally the floodgate speed (just to divide in 18mm contact travelling schedule average velocity)

1.8 ± 0.2

7

Main return route resistance

μΩ

≤ 100

8

The contact gathers floodgate bounces the time

ms

≤ 3

9

Three coincides, divides the floodgate No Same time

≤ 2