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Indoor AC high voltage vacuum circuit breaker hereinafter referred to as a circuit breaker is a three-phase AC rated voltage indoor switchgear, which can be used for the control and protection of electrical facilities in industrial and mining enterprises, power plants and substations, and is suitable for places with frequent operations.

The circuit breaker meets the standard requirements of "AC high voltage circuit breaker", 855-1996 "3.6-40.5kV indoor AC high voltage vacuum circuit breaker", DL403-91, "10-35KV indoor AC high voltage circuit breaker ordering technical requirements", and meets The relevant requirements of IEC56 (Publication 87).

The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, which can be used as a fixed installation unit or a dedicated propulsion mechanism to form a handcart unit.

It is an indoor switchgear with three-phase AC 50Hz rated voltage of 12KV power system. It is used as protection and control unit for power equipment and industrial and mining enterprises. Applicable to places that require frequent operation at rated operating current, or multiple times to break short-circuit current.

The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, and can be used as a fixed installation unit, or can be equipped with a special propulsion mechanism to form a hand truck unit.

Features: small size, light weight, suitable for frequent operation

Main structure: vacuum interrupter, electromagnetic or spring operating mechanism, bracket and other components.

Conditions of use:

The ambient temperature is not higher than +40℃, not lower than -15℃ (storage and transportation allowed at -30℃);

The altitude does not exceed 1000m;

Relative temperature: the daily average value is not more than 95%, the monthly average value is not more than 90%, the daily average value of saturated vapor pressure is not more than 2.2×10Mpa, and the average value is not more than 1.8×10 MPa;

The earthquake heat does not exceed 8 degrees;

There is no place with fire, explosion hazard, serious pollution, chemical corrosion and severe vibration.

The main technical parameters:

Fields of application:

The following is a list of SM6 range units used in medium/low voltage substations and industrial distribution substations:

Cable control and protection

Overhead control and protection

Transformers and distribution substations

Motor and transformer control and protection

Generator control and protection

Control and protection of capacitor bank

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FACTORY

FAQ:

Q1: If I am interested in your products, when can I receive your quotation and detailed information after sending the inquiry?

A: All your queries will be answered within 24 hours.

Q2: Because I cannot confirm the quality of your products, can I get samples before ordering?

A: Of course! We also believe that sample ordering is the best way to build trust. In our company, we provide sample service! Please send inquiries to us and get samples!

Q3: Do you have a catalog? Can you send me a catalog to check all your products?

A: Yes, we have a product catalog. Please contact us online or send an email to send the catalog.

Q4: I need a price list of all your products. Do you have a price list?

A: We do not have a price list for all products. Because we have a lot of products, it is impossible to mark all prices on the list. Due to production costs, prices are always changing. If you want to check any prices of our products, please feel free to contact us. We will send you a quote as soon as possible!

This product is usually customized.

We are a manufacturer and have a professional technical department that can design and provide solutions according to customer needs.

Please contact our sales personnel to obtain design drawings

Here are our customer examples for your reference

IF NEED MORE DETAILES,PLEASE FEEL FREE YO CONTACT US

Relying on the scientific research team and technical level, our company provides customers with the design and manufacture of VB5(ZN21B) Drawout Breaker Indoor AC High Voltage Vacuum Circuit Breaker, as well as solving technical problems. We are looking forwards the opportunity to serve you. We take integrity, quality and innovation as our business philosophy, and have accumulated many years of experience to improve product competitiveness. In the future, we will continue to cultivate brand management and make us the most reliable and trustworthy partner for you.