Home / Indoor Type High-voltage Circuit Breaker / ZN23-40 Indoor High Voltage Vacuum Circuit Breaker

ZN23-40 Indoor High Voltage Vacuum Circuit Breaker

Specification: 1000-20000 USD/PIECE
Use Parts: 1 PIECE
Supply Ability: 10000 PIECE
Payment Terms: TT , LC , Others
Tags:
place of OriginHang Zhou, China

General Description

ZN23-40.5 indoor high voltage vacuum circuit breaker is main switchgear of 40.5KV three phases AC 50Hz which are suitable for controlling and protecting the distribution system of industrial enterprises, substationm specially for metallurgy industry where it needs frequent operate electric arc furnace.

This breaker complies the requirement of GB1984-89 “AC High voltage circuit breakers” breaker carries can be pushed into GBC-35, JYN1-35 high voltage switchboard, if the plugs of breaker to be removed, it can be instalied independently.

 

Main Technical Parameters

Item

Description

Unit

Data

1

Rated voltage

KV

40.5

2

Lightning impulse withstand voltage(peak)

185

3

1min power frequency withstand voltage

95

4

Rated frequency

Hz

50

5

Rated current

A

1250

1600

2000

6

Rated short circuit breaking current

KA

20

25

31.5

7

Rated short time withstand current

20

25

31.5

8

Rated peak withstand current

50

63

80

9

Duration of rated short circuit withstand current

S

4

10

Rated short circuit making current

KA

50

63

80

11

Rated operating sequence


(O)-0.3-(CO)-180S-(CO)

12

Closing time

ms

≤75

13

Opening time

≤60

14

Nos of breaking rated short circuit breaking current

times

20

15

Mechanical life

10000

 

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

 


Send a message to us

CONTACT US

+86-577-62697170
Liushi Town, Yueqing, Wenzhou, Zhejiang Province.

COMPANY DETAILS

Yueqing Aiso Electric Co.,Ltd. is located in Liushi Town, Yueqing, Wenzhou, Zhejiang Province. Industrial Zone, Liushi town is China's high and low voltage electrical appliances.
Yueqing Aiso Electric Co., Ltd