Three Phase AC ZN85 High Voltage switchgears for subway, building, electric network

Serial?number

Parameter?name

Unit

Specification?parameter

1

Rated?voltage

kV

40.5

2

1min?labor?frequency?durable?voltage?(has?effect?value)

kV

95

3

Lightning?surge?withstanding?voltage?(peak?value)

kV

185

4

Nominal?frequency

Hz

50

5

Nominal?current

A

1250?, ?1600?, ?2000

6

Fixed?short-time?withstanding?electric?current

kA

25?, ?31.5

7

Fixed?peak?value?withstanding?electric?current

kA

63?, ?80

8

The?rating?short-circuits?the?duration

s

4

9

The?rating?short-circuits?the?drop-out?current

kA

25?, ?31.5

10

The?rating?short-circuits?the?pass?to?gather?the?electric?current

kA

63?, ?80

11

Fixed?operation?sequence

O—0.3s—CO—180s—CO

12

Opens?breaks?the?time

ms

≤80

13

The?rating?short-circuits?the?drop-out?current?to?open?breaks?the?number?of?times

time

20

14

Single?condenser?bank?drop-out?current

A

630

15

Back?to?back?condenser?bank?drop-out?current

A

400

16

Fixed?operation?voltage

V

AC110/220?, ?DC1100/220

17

Mechanical?life

time

10000

Serial?number

Parameter?name

Unit

Specification?parameter

1

The?contact?opens?the?distance

mm

20±2

2

Front?the?contact?overtravel

mm

7.5±1.5

3

after?the?average?Gathers?floodg?speed?(contact?just?gathered?12mm)

m/s

0.8±0.2