SF6 High Voltage Circuit Breaker

As a top name in the industry, TOONICE specializes in high-quality SF6 high voltage circuit breakers. Our China-based factory is committed to producing reliable and high-performance circuit breakers. With competitive pricing and reliable delivery, we look forward to establishing a long-term partnership with you in China!

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Product Description

TOONICE, a premier manufacturer and trusted supplier in China, specializes in producing state-of-the-art SF6 High Voltage Circuit Breakers. Our products, crafted with precision in our advanced facility, showcase cutting-edge technology and unmatched reliability for high-voltage applications. Committed to excellence, we collaborate with reputable partners to ensure the integration of top-quality components, resulting in exceptional performance and safety. Our latest line of SF6 High Voltage Circuit Breakers continues to redefine industry standards with its durability, efficiency, and modern design. Choose TOONICE as your go-to supplier for the newest advancements in circuit breaker technology and experience unparalleled electrical protection.

Parameter of the SF6 high voltage circuit breakers

No	Item		Unit	Parameter
1	Rated voltage		kV	12	24
2	Rated frequency		Hz	50/60
3	Rated current		A	630/800
4	1min Power frequency withstand voltage	wet	kV	38	50
4	1min Power frequency withstand voltage	dry	kV	48	60
5	Lightning impulse withstand voltage		kV	75	125/150
6	Rated short circuit breaking current (peak)		kA	N/A	N/A
7	Rated active load and close circuit breaking current		A	630	630
8	Rated transferring current		A	1700	1200
9	Rated short circuit making current (peak)		kA	50	40
10	Rated cable(line) charging breaking current		A	50 and 10
11	Cable charge breaking current in earthing fault		A	20	20
12	Rated withstand current (peak)		kA	50	40
13	Short time withstand current (2s)		kA	31.5	25
14	Mechanism life		times	5000	5000

SF6 High Voltage Circuit Breakers: Features and Applications

Features:

1. High Insulating Strength:

SF6 (Sulfur Hexafluoride) gas provides excellent electrical insulation and arc-quenching capabilities, making it ideal for high voltage applications.

2. Compact Design:

The high dielectric strength of SF6 allows for smaller and more compact circuit breaker designs compared to air-insulated alternatives.

3. High Interrupting Capacity:

SF6 circuit breakers can interrupt large fault currents with minimal arcing, ensuring reliable operation and protection of electrical systems.

Long Service Life:

These breakers are designed for long-term operation with minimal maintenance, offering reliable performance over many years.

Low Noise and Vibration:

SF6 circuit breakers operate with low noise and minimal mechanical vibration, making them suitable for installation in urban and industrial environments.

6. Environmental Protection:

Advanced sealing systems minimize SF6 gas leakage, ensuring environmental safety and compliance with international standards.

7. Fast Operation:

The arc-extinguishing properties of SF6 enable rapid switching and fault interruption, enhancing system stability and protection.

Applications:

1. Power Generation:

SF6 circuit breakers are used in power plants to protect generators and other critical equipment from electrical faults.

2. Transmission and Distribution Networks:

These breakers are essential in high voltage transmission and distribution systems, ensuring reliable operation and protection of substations.

3. Industrial Plants:

SF6 circuit breakers are widely used in heavy industries such as steel, petrochemicals, and manufacturing to safeguard high voltage electrical systems.

4. Railways:

They are employed in railway electrification systems to protect traction power supplies and ensure safe and reliable train operation.

5. Renewable Energy:

In solar and wind power installations, SF6 circuit breakers provide protection for high voltage equipment, contributing to the stability of renewable energy systems.

6. Commercial Buildings:

Large commercial complexes and data centers use SF6 circuit breakers to protect their high voltage electrical infrastructure, ensuring uninterrupted power supply.

7. Public Utilities:

Utilities rely on SF6 circuit breakers to maintain the reliability and safety of public power supply networks, from local substations to national grids.

By combining superior insulation properties, compact design, and high reliability, SF6 high voltage circuit breakers are a crucial component in modern electrical power systems, ensuring safety and efficiency across various applications.