Zhejiang, China
Business Type:
Manufacturer/Factory, Other, Group Corporation
Business Range:
Electrical & Electronics, Industrial Equipment & Components
Management System Certification:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: within 15 workday
OEM/ODM Service

Sf6 Circuit Breaker, Sf6 Breaker, Sf6 Gas Circuit Breaker manufacturer / supplier in China, offering Outdoor Sf6 Gas Circuit Breaker (66kV/132kV), Sf6 Gas-Insulated Indoor 24kv Switch Disconnector, Sf6 Gas-Insulated 24kv Load Break Switch and so on.

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Outdoor Sf6 Gas Circuit Breaker (66kV/132kV)

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $5,000-20,000/ Piece
Port: Ningbo, China
Production Capacity: 5000 PCS/Year
Payment Terms: L/C, T/T, D/P, Money Gram
Breaking Capacity: High Voltage Circuit Breakers
Operation: Electric Type
Speed: Normal Type Circuit Breaker
Arc-extinguishing Medium: Vacuum
Installation: Fixed/Drawable
Structure: Conventional Circuit Breaker

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Basic Info

Model NO.: LW36
Poles Number: 3
Type: Circuit Breaker
Function: Overcurrent Protection, Circuit-Breaker Failure P
Certification: ISO9001-2000, CE
Trademark: Rockwill
Transport Package: Wooden
Specification: IEC, ANS
Origin: China
HS Code: 85352100

Product Description

ROCKWILL developed LW36-145 type outdoor SF6 gas circuit breaker using modern processing technology and computer-aided design techniques, combined
with the latest generation of spring bodies and the advantages of a permanent institution. Its pursuit of high reliability, easy to maintain design concepts to create ageneration of superior product, is the most reliable electric power system and the best option.

ROCKWILL all series switches meet the following criteria:

     ANS/IEEE C37.60/IEC 62271-100(GB1984-2003 China standard)
     GBT11022-1999 China Standard
     IEC 60255-11
     IEC 60255-21-1 Class I
     IEC 60255-21-2 Class I
     IEC 60255-21-3 Class I
     IEC 60255-22-1 Class III
     IEC 60255-22-2 Class IV
     IEC 60255-22-3 Class III
     IEC 60255-22-4 Class IV

Using of the enviroment:

    Ambient temperature:-40ºC~+40ºC, the daily average temperature:25ºC;
    Altitude:≤ 3000m(in excess of the value of technical discussions with the divisionI);
    Wind speed:35m/s;
    Earthquake intensity: not more than 8 degrees;
    Degree of ambient air contamination level not greater than:III level;
    Daily average ambient air relative humidity≤95%, on average≤90%;
    Saturated vapor pressure of daily mean values≤ 2.2*10^(-3)MPa, on average≤1.8*10^(-3)MPa;

More about the use of environment conditions, please consult with the manufacturer.

Main technical specifications:

1Rated voltageKV145
2Rated frequencyHz50/60
3Rated currentA3150
41min power frequency withstand voltageKV265
5Lingthning impluse withstand voltage(peak valueKV650
65 min power frequency voltage at zero gas pressureKV109
7Rated short circuit breaking currentKA80...100
8Rated out-of-phase breaking currentKA10
9Rated cable(line) charging breaking current(peak)A50
10Rated gas pressureMPa0.5
11Main loop resistance≤45
12Operation sequence O-0.3s-CO-180s-CO
13SF6 gas leakage rate(per year)%≤1
14Moisture content(V/V)ppm≤150
15Across the open contactsmm≥3950
Creepage distance 
TO earth≥3950
16Mechanical lifetimes10,000
 Note: For short circuit breaking current & rated current is optional by clients.


1.The payment term: We accept TT,30% deposit and 70% balance against copy of BL.
2.The delivery time: Usually it will take about 15-20 days.
3.The standard of package: Usually use strong plywood case for protection.
4.The material of transformer: We have two types, one is with copper and another one is with aluminum. It depends on your requirement. In fact, those two have difference if normal work well. Only except the long life. Copper is better and also higher price.
5.The logo: If you have good quantity, it absolute no problem to do OEM.
6.Our market: our products are popular in Indonesia, Philippines, Russia, USA, Middle East and so on. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutual benefit from our cooperation..
7.Warranty: in 12 month since BL date.


1.quick response in before sales period help you got order.
2.excellent service in production time let you know each step we made.
3.reliable quality solve you after sale headache.
4.long period quality warranty ensure you can buy without hesitate.


1. One-stop supplier globally.
2. More than 10 years professional experiences in electrical appliance industry. 
3.We offer professional online technology support for perfecting your electrical solution free.
4. Experienced sales service and suggestion.
5. All the products with accessories under strict quality control and final inspection before shipping.
6. We can assure the powerful competitive price and reliable quality products.
7. Most competitive shipping rate from our own shipping forwarder.
8. Warranty assurance: 12 month
9. Whatever big or small order, we can provide you one-to-one service.  


Contact person: Mr. Chen Chengming

Your Best Choice for Electrical Appliances Industry!!!
Please leave an inquiry to know more details about Price , Packing ,Shipping and Discount.

Outdoor Sf6 Gas Circuit Breaker (66kV/132kV)

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