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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

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We are committed to providing our customers and society at large with Fixed Type of Indoor Hv Vacuum Circuit Breaker (ZN28-12K) and services of scale and quality. Quality is factory's lifestyle continue to improve, to ensure product quality in line with market and customer standard requirements. To keep the leading position in our industry, we never stop challenging the limitation in all aspects to create the ideal products.