ZN85G-40.5 VCB/ Vacuum circuit breaker

ZN85G-40.5 VCB/ Vacuum circuit breaker

1.With the voltage of 40.5kV is three-phase AC, 50 Hz indoor power distribution equipment.
2.It’s used for switchgear KYN61-40.5(Z)
3.It’s accordance with GB1984 AC HV vacuum circuit breaker standard.
4.This series include: isolation truck and fuse truck.
5.It effectively reduces the dimensions of VCB, the overall arrangement is reasonable and simple,with aesthetic appearance.
6.It has high reliable with characteristics of long life and easy maintenance and free-maintenance for operating mechanism.
7.Forced mechanical interlock way is adopted
8.Meet the “Five Preventions” function.
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Product Details

Main technical specification


Name

Unit

Data

1

Rated voltage

kV

40.5

2

Rated frequency

Hz

50

3

Rated current

A

1250

1600

2000

4

Rated short circuit breaking current

kA

25/31.5

25/31.5

31.5

5

Rated peak withstand current

kA

63/80

63/80

80

6

Rated short-circuit duration

s

4

7

Rated power frequency withstand voltage/1 min

kV

95

8

Rated lightning impulse withstand voltage

kV

185

9

Rated operating sequence


O-0.3s-CO-180s-CO

10

Breaking times of short circuit breaking current

Times

20

11

Mechanical life

Times

10000

12

Type of operating mechanism


3AV3 spring operating mechanism

13

Rated voltage of motor

V

~220/110    -220/110

14

Rated power source voltage of closing and opening device

V

~220/110    -220/110

15

Rated voltage/current of closing electromagnet

V/A

-220/0.96    -110/1.05

~220/0.96    ~110/1.05

16

Rated voltage/current of tripping electromagnet

V/A

-220/0.96    -110/1.05

~220/0.96    ~110/1.05


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