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With a free warranty period of 2-5 years, or an extended warranty period of up to 8 years, we are very confident in our products and the quality of our products is very good. If your circuit breaker has any problems in operation, the green side after-sales team will be online 7×24 hours, quickly solve for you;

1. Certifications 

 Lvbian is a professional circuit breaker manufacturer and supplier. Various international standards can be customized according to your needs, such as: IEEE/ANSI, CSA, as /NZS, IEC, EN 60076, GOST, etc. Green bian produces transformers with UL/cUL, CSA, CESI and other certifications.

2.Circuit breaker quality

Lvbian has a very strict quality control system, from circuit breaker design to raw material procurement, assembly, testing, packaging, delivery, every detail is strictly checked. UL Third party organizations regularly inspect the manufacturing process of green edge circuit breakers. This ensures that Lvbian maintains high quality standards even after the product has completed its initial UL testing.

3. After Sales Service 

 a. Free warranty period of 1-3 years, or extended warranty period of 8 years, we are very confident in our products, our product quality is very good. If there is any problem in the operation of your circuit breaker, the green side after-sales team will solve it in time and quickly for you;

b. Local after-sales installation service team. Whether you are in North America, South America or other regions, Lvbian's local team can provide you with professional circuit breaker installation, commissioning, maintenance and other services;

c. Lvbian side provides remote video guidance for circuit breaker installation;

Shipping record

This is my export declaration form. The electrical equipment was shipped to friends inCanada. 

Product Description

ZN85-40.5 / T (3AV3)-series handcart type indoor vacuum circuit breaker for three-phase AC 50Hz, 40.5KV power system, for industrial and mining enterprises, power plants and substations as the division and load current, overload current fault current purposes, and occasions for frequent operation.

The circuit breaker use of composite structure, three phase interrupter and associated charged body by the three independent phase separation of epoxy resin insulation casing, using a composite structure, the circuit breaker to meet the air under normal operating conditions from the required distance and climb and effectively reduce the size of circuit breakers, electrical circuit interrupter, a leading and dynamic and static conductive connection installed in the insulating tube, so that the distance only 300mm. All main circuit electrical connection fixed to connect with high reliability.

Applying Ambient Conditions:

1.Ambient temperature: -10℃– +40℃
2.The height above sea level: ≤1000 m
3.Relative humidity: the average humidity of a day should be no more than 95%; the average humidity of a month should be no more than 90%.
4.Saturated vapor pressure: the average pressure of a day should be no mare than 2.2kPa; the average pressure of a month should be no more than1.8KPa, when the temperature drops sharply, it may condense.
5.Earthquake intensity: not exceed 8 degrees
6.It should be Installed in the places without fire, explosion, serious pollution, chemical erosion and violent vibration.