ZN63A-12 Indoor High Voltage Vacuum Circuit Breaker
The ZN63A-12 type permanent magnet indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz indoor switching device with a rated voltage of 12kV for power systems. It serves as a protection and control unit for power grid equipment and industrial and mining enterprise power equipment. It is suitable for occasions requiring frequent operation under rated operating current or multiple breaking of short-circuit current.
Keywords：
ZN63A-12 Indoor High Voltage Vacuum Circuit Breaker
- Product details
-
- Commodity name: ZN63A-12 Indoor High Voltage Vacuum Circuit Breaker
The ZN63A-12 type permanent magnet indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz indoor switching device with a rated voltage of 12kV for power systems. It serves as a protection and control unit for power grid equipment and industrial and mining enterprise power equipment. It is suitable for occasions requiring frequent operation under rated operating current or multiple breaking of short-circuit current.
Overview
The ZN63A-12 type permanent magnet indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz indoor switching device with a rated voltage of 12kV for power systems. It serves as a protection and control unit for power grid equipment and industrial and mining enterprise power equipment. It is suitable for occasions requiring frequent operation under rated operating current or multiple breaking of short-circuit current.
This circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body. It can be used as a fixed installation unit or equipped with a special pushing mechanism to form a handcart unit.
Main Technical Parameters
Serial Number
Name
Unit
Data
1
Rated Voltage
kV
12
2
Rated Frequency
Hz
50
3
Rated Insulation Level
1min Power Frequency Withstand Voltage
kA
Ground/Phase 42/48
Lightning Impulse Withstand Voltage (Peak)
Ground/Phase 75/85
4
Rated Short-Circuit Breaking Current
kA
20
25
31.5
40
5
Rated Current
A
630
630
12501600
12501600
1250
1250
20002500
20002500
6
Rated Short-Time Withstand Current (RMS)
kA
20
125
31.5
40
7
Rated Peak Withstand Current (Peak)
kA
50
63
80
100
8
Rated Short-Circuit Closing Current (Peak)
50
63
80
100
9
Rated Short-Circuit Current Duration
S
4
10
Mechanical Life
Times
10000
11
Secondary Circuit Power Frequency Withstand Voltage (1min)
V
2000
12
Rated Operating Sequence
Open-t-Close-Open-t1-Close-Open
Note: 20kA、31.5kAt=0.3st1=180s;40kAt=180s;tl=180s
Overall Installation Dimensions
Related Products
Online Message
We will contact you within one working day. Please pay attention to your email.
Contact Number：+8613623894894
Contact Number：+8615136360288
Email：13623894894@126.com
Address: No. 1, High-tech Road, Hebin Street Office, Yichuan County, Luoyang City, Intelligent Equipment Industrial Park
Copyright © Luoyang Tongyi Xiguang Electric Co., Ltd. This site supports IPV6