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Porcelain Fuse Cutouts are protective devices used in medium-voltage power systems. They cut off fault currents through fuse elements to prevent equipment damage. As a leading company in the industry, Wish can provide you with reliable products and services. And we can also customize them according to your drawings or other requirements. Please leave a message on the website or directly contact info@wishpower.net to get the latest quotation.

What are Porcelain Fuse Cutouts?

Porcelain cutouts are protection devices that are applied to circuits where electrical energy is transmitted from one transformer to another via lines. Its main purpose is to interrupt the electrical current in the case of a faulty load including a short circuit or overloading. It has a fuse element, a porcelain body, and accessories for its installation to other vessels. The porcelain body contributes to insulation and mechanical strength so that the device will be resistant to environmental conditions as well as electrical stresses. It is an extremely robust and replaceable component that develops a high temperature, melts or vaporizes when the current exceeds a predetermined value, and causes an interrupt in the circuit to safeguard several units of equipment that follow the circuit. Fuses are usually located on poles or some particular structures in a power supply system and are connected to the conductors that have electrical current. When a fault occurs the current passing through the fuse increases and heats the fuse element to its melting point or even vaporizes rupturing the current and hence breaking the cycle. This simply means that once the fault is cleared, the fuse element is replaceable and the fuse is also resettable to go back to normal service again.

Composition

1. Fuse element:

This is something that can be removed and replaced, serving as an expendable component. It melts when the current exceeds the value setting and breaks the circuit.

2. Porcelain body:

Provides insulation and mechanical strength to ensure fuse failures due to environmental factors and structural support.

3. Mounting hardware:

These were applied to support the fuse onto a pole or any structure and link the other conductor conveying currents.

Benefits

1. High reliability:

Porcelain fuse cutouts can offer a good level of overcurrent protection in power systems, helping to keep equipment and lines safe.

2. Superior insulation performance:

Porcelain materials have very good insulating capabilities and can help eliminate arcing and leaking on electrical products.

3. Strong durability:

It has the properties of high temperature, anti-corrosion, and climate change. Thus it can be incorporated in various conditions that may be considered to be unfavourable or be referred to as hostile.

4. Easy maintenance:

The fuse element is replaceable. By doing this, the time for which the power is out is greatly reduced when there is a fault, to ensure that the power supply is got back on as soon as possible.

5. Wide application:

Applicable for distribution networks of medium voltage level. Applied mainly for the protection of transformers, capacitor banks, and other kind of equipment.

Application

1. Transformer protection:

It can be used to protect the transformers from symptoms such as overcurrent and short-circuit faults and thus make sure that the transformers are secure.

2. Overhead distribution lines:

Utilized for the pull strings together on the overhead power lines hence preventing more extensive power outages when the line develops faults.

3. Capacitor bank protection:

Intended to protect the capacitor banks against overcurrents and facilitate the stability and efficiency of the power system.

4. Branch line protection:

Located at the branch lines of the distribution network to isolate the faults that occur within a specific region from the rest of the network.

5. Heavy-load equipment protection:

Porcelain cut-out fuse is very useful in protecting industrial and commercial heavy-load equipment against damages as well as preventing disruptions in production due to overcurrent.

Exhibition

Why choose us?

1. Foremost name in the industry

Wish Composite Insulator Co., Ltd. is situated in Xi’an City, with the total area of the company occupying about 66600 Square Meters. Currently, it stands as one of, if not the largest production centers for high voltage power transmission and distribution equipment in China.

2. Professional products

The company operates in the specialized area of development, manufacturing, and sale of composite insulators and other accessories relevant to high-voltage transmission and distribution systems.

3. Quality and management certification:

The company has acquired ISO9001, ISO14001, and GB/T28001 certification of enterprises for standardization, established ERP and 6S management systems, and the products belong to famous brand lists both domestic and foreign.

4. International certification and market:

Some of the products made by our company have completed several international tests and certifications and they sell them registered in the United States, Europe, Africa, Asia, and the Middle East.

5. Testing equipment and quality assurance:

It has established sophisticated high-voltage testing equipment/and comprehensive procedures for testing its products as per the quality, safety, and reliability criteria.