Yueqing 3 Phase Type Automatic Outdoor Circuit Breaker

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  • 1 - 9 Pieces
  • 10 - 19 Pieces
  • >=20 Pieces
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Poles Number:
40.5KV high voltage circuit breaker
Product name:
3 phase circuit breaker
Rated Voltage:
Rated current:
Rated frequency:
Rated short-circuit breaking current:
Rated short-circuit duration:
High voltage
Accept special order
Supply Ability
Supply Ability:
100 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Standard export wooden case packing
Ningbo or Shanghai
Lead Time :
Product Description

Yueqing type 3 phase automatic outdoor circuit breaker

Product Structure

ZW32-40.5 type outdoor high voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is the three-phase AC 50Hz, suitable for the rated voltage of 40.5kV outdoor high-voltage switchgear, which comply with the national standard GB1984 "high voltage AC circuit breakers" and professional standards JB3855 "3.6 ~ 40.5kV outdoor AC high voltage vacuum circuit breakers" and related IEC standards.Can be used for the control and protection of electrical equipment for industrial and mining enterprises, power plants and substations, and suitable for frequent operation. The circuit breaker has the ability to break off and fast break off multiple times.

Use environmental conditions

a) The ambient temperature is not higher + 45 ℃ not lower – 35 ℃;
b) Air relative humidity: daily average value is no more than 95% , The average monthly value is not more than 90%;Saturated vapor pressure: daily average value is no more than 2.2×10-3 MPa,The average monthly value is not more than 1.8×10-3 MPa;In high humidity temperature drop, may condensation;
c) Altitude is not more than 2000 meter;
d) Earthquake intensity is not more than 8;
e) There is no fire, explosion, serious pollution, chemical corrosion, and violent vibration. If there are other special requirements, can be made in the order, we will give the maximum satisfaction.

Mode description

Technical parameters

NoItemUnitNumber of values
1Rated voltagekV40.5
2Rated currentA630/1250/1600/2000/2500  
3Rated frequencyHz50/60
4Rated insulation levelLightning impulse withstand voltagekV185
1 min power-frequency withstand voltage95
6Rated short-circuit breaking currentKa20/25/31.5
7Rated short-circuit making current(peak value)Ka50/63/80
8Rated short-time withstand currentKa20/25/31.5
9Rated withstand current(peak value)Ka50/53/80
10Rated operating sequence O-0.3s-CO-180s-CO
11Rated short-circuit durations4
12Times of breaking with the rated short-circuit currentTimes30
13Mechanical life M2 level

Outline dimension

Hot Products

Company Information

Yueqing City AISO Electric Appliance Co., Ltd located in Liushi Town, Wenzhou City, Yueqing City , Zhejiang Province.Industrial Zone,Liushi town is China's high and low voltage electrical appliances . We have a wealth of experience in production and sales,we specialize in production of power Transformer, current transformer , Voltage transformer .Cuircuit Breaker ,Capacitor, fuse , load switch, lightning arrester and eletric equipments. In addition, we have a good location advantage, and most manufacturers have more close contact, you can provide other electrical products, and according to your needs, customized products We sincerely hope that you and I work together to create. A better future!


Work Shop

1)We have a professional team.Take care of every customer question.


2)Eight years exporting experience can help us to serve you better.


3)100% QC inspection Before the timely delivery of the goods.


4)We have a strict factory inspection requirements.





Our Services

Our Services


1.We can make the products as different’s special require.


2.Flexible lead time 


3.We can offer products at different prices 


4.We have our own workflow (AISO process) 


5.Any way, any time, your problems will be timely reply 




"Do you have a catalogue? Can you send me the catalogue to have a check of all your products?"

Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.


"Whether can produce as my require?"

"Yes,we can make the products as different’s special require."


"How long the product warranty?"

"Normally, the warranty for the product is 18 months , warmly reception with the calling, visiting and letters, and give the best answers and solution in time from the customers for the technical problem."


"What kind of payment do you accept ? Can I pay RMB ?"

"We accept T/T(Wire transfer),Western Union and Paypal. And you can pay money In RMB. No problem."


"Any requirements or question,welcome to ""Send"" us an e-mail  Now!!!


It's our great honor to do services for you! "




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