Zw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker

Product Details
Customization: Available
Breaking Capacity: Medium Voltage Circuit Breakers
Operation: Electric Type
Diamond Member Since 2025

Suppliers with verified business licenses

Audited Supplier

Audited by an independent third-party inspection agency

to see all verified strength labels (21)
Find Similar Products
  • Overview
  • Our Advantages
  • Company Profile
  • Product Description
  • Product Parameters
Overview

Basic Info.

Model NO.
ZW8-12
Speed
Normal Type Circuit Breaker
Arc-extinguishing Medium
Vacuum
Installation
Fixed
Structure
Vcb
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Certification
ISO9001-2000
Rated Frequency
50/60Hz
Rated Current
630A/1250A
Transport Package
Wooden Case
Specification
12kV
Trademark
JULISINOAMIGO
Origin
Made in China
HS Code
8535210000
Production Capacity
1200PCS/Month

Product Description

Our Advantages

A. 25 years experience of production Medium voltage circuit breaker material
B. 18 years for overseas market; you no worry for communication and save time
C. IEC CNAS standard testing lab inside own property factory industrial zone
D. Big Brand trusted material supplier, you no worry for quality control
E. Quality control 3 times 100% inspection testing from raw material, to operating mechanism, to finished Vacuum Circuit Breaker.

Company Profile

1 of the best Medium Voltage material for power transmission and distribution private company in China

JLIAMIGO was joint venture and stand for JULI and SINOAMIGO;

Zhejiang JULI Electric Co., Ltd., start since 2000 focus on Operating mechanism, Vacuum Circuit Breaker and its recloser. So far employees more than 300, annually turn over 30 million USD, and local Medium Voltage Vacuum Circuit Breaker manufacturers 50% material by JULI in Wenzhou China;

With Big Brand, the same core material spring motor drive (operating mechanism), for your medium voltage circuit breaker and GIS switchgear;

SINOAMIGO Power T&D Co., Ltd. was initial founded in 2010, professional manufacturer for medium voltage switchgear panel, switchboard with JULI VCB etc brand Vacuum Circuit Breaker mounted.

In order to better dealing overseas EPC projects, by joint venture company: JLIAMIGO Electric Power (Yueqing) Co., Ltd.


Quality control: 3 times 100% inspection testing
(from raw material, to operating mechanism, to finished Vacuum Circuit Breaker)


1. Raw Material Inspection of Vacuum Circuit Breaker (VCB)

Zw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker
2. Production Line of Vacuum Circuit Breaker (VCB)
Zw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker
3. Production Line and Testing of Operating Mechanism (VCB key parts)
Zw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker
4. Test equipment as IEC standard for Vacuum Circuit Breaker (VCB)

Power frequency testing: 100% according to IEC standards;
Big current testing temperature rising equipment: provide up to 3000A;
Partial discharge testing room: provides two different size for vacuum circuit breaker and GIS switchgear panel;
Lightning withstand voltage testing equipment: were same as the CNAS authoritative third-party testing laboratory, which can provide a maximum of 300kV type test lightning voltage;


Zw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker
5. Warehouse for Vacuum Circuit Breaker (VCB) and its Operating Mechanism
Following 6S Management, always keep neat and clearn.

Zw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker
6. Exhibition and After-sales Service

Zw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker
7. Our Team
Zw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker

7. Certification and Test Report

Zw8-12 630A High Voltage Outdoor Vacuum Circuit BreakerZw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker


 
Product Description
Zw8-12 630A High Voltage Outdoor Vacuum Circuit Breaker

ZW8-12 Outdoor Vacuum Circuit Breaker

ZW8-12 outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short cicruit protection in 12kV,50Hz/60Hz power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network. It accords with the standards of IEC62271-100 & GB1984 AC high voltage circuit breaker, GB/11022 HV general technical requirement of switch and control apparatus.
 
Product Parameters
 
Item Unit Data
Rated voltage kV 12
Power frequency withstand voltage (1min)
kV 42
Lightning impulse withstand voltage (peak)
kV 75
Rated current
A 630/1250
Rated power frequency
Hz 50/60
Rated short circuit breaking current
kA 20/25
Rated operation order
 
O-0.3s-CO-180s-CO
Breaking times of rated short circuit breaking current
Times 30
Rated short circuit closing current (peak)
kA 50/63
Rated withstand current (peak)
kA 50/63
Rated short-time withstand current (4s)
kA
20/25
Rated short circuit duration
s
4
Mechanical life
Times 10000
Rated operating voltage and rated voltage of auxiliary loop
V AC/DC220 110
Rated current of over-current tripper
A 5

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now
Contact Supplier