24KV Vacuum Circuit Breaker

The Sunway Hanguang 24KV Vacuum Circuit Breaker focuses on load control, short-circuit protection, and rapid fault interruption in power distribution circuits. Developed by a high-tech high-voltage electrical equipment company established in 1968, it integrates over fifty years of vacuum interrupter technology experience, employing internationally leading one-time sealing technology and full-process quality control, and strictly adhering to multiple international and domestic standards.

The Sunway Hanguang 24KV Vacuum Circuit Breaker is compatible with switchgear such as GZS1, and can be integrated with brands such as ABB and Siemens. It is widely used in the power, new energy, and petrochemical industries. Currently exported to many regions worldwide, with an average annual export growth exceeding 10% in the past decade, and a cumulative installed base of over 300,000 units, it is a trustworthy core product from a high-voltage power distribution equipment supplier.

Core Product Features

1. Leading Core Technology, Stable Arc Extinguishing Performance

The 24KV Vacuum Circuit Breaker is equipped with an independently developed high-purity Cu-Cr contact vacuum interrupter, using a one-time sealing process to reduce leakage rate, and employing helium mass spectrometry leak detection to eliminate potential problems. Vacuum degree ≤ 1.33 × 10⁻³ Pa, current interruption value < 3A, arc-free interruption suppresses overvoltage, and it can perform 30 full-capacity interruption cycles with over 15 years of trouble-free operation.

2. Robust Insulation Structure, Strong Environmental Adaptability

The APG process integrated molded encapsulated poles offer excellent insulation performance, with a power frequency withstand voltage of 65kV/1min and a lightning impulse withstand voltage of 125kV, suitable for Class IV pollution environments. The standard model is suitable for temperatures from -10℃ to +40℃ and altitudes ≤1000 meters, while the customized model can cover -45℃ to +85℃ and altitudes up to 4000 meters, and is resistant to high salt spray and high dust environments.

3. Reliable Operating Mechanism, Suitable for Frequent Operations

The spring energy storage operating mechanism supports AC/DC electric and manual emergency operation, with closing time <75ms and opening time <65ms. It features multiple safety functions and a mechanical life of ≥20,000 cycles, making it suitable for frequent operation scenarios such as power plants. Its stability has been industrially verified.

4. Strong Intelligent Scalability, Controllable Operation and Maintenance Costs

Optional intelligent monitoring modules are available, supporting mainstream communication protocols for connection to SCADA platforms. The fully enclosed structure achieves 30 years of maintenance-free operation, reducing operation and maintenance costs by over 80%. The modular design facilitates quick on-site replacement without the need for specialized tools.

5. Strict and Traceable Quality Control, Environmental Compliance

Undergoes 20 comprehensive factory inspections and generates traceable electronic archives. It is oil-free and SF6-free, complying with environmental and ISO9001-2008 standards, with optional international certifications. Rigorous quality control throughout the entire factory process ensures product quality.

6. Strong Brand Endorsement, Comprehensive Service Guarantee

A 16-person professional R&D team supports technological iteration, and core components are carefully selected and inspected. Global technical support centers provide pre-sales customization, in-sales inspection, and 7×24-hour after-sales service, with a 10-year limited warranty and efficient response.

Product Parameters

Frequently Asked Questions

1. What types of switchgear can the product be adapted to, and can it replace imported brand equipment?

Answer: It is compatible with GZS1 type and equivalent switchgear from ABB, Siemens, etc. The standardized dimensions and interfaces allow for direct replacement of imported equipment without modifying the switchgear cabinet. It has already achieved successful replacement of imported products overseas.

2. How does the product ensure stable operation in high salt spray and high altitude environments?

Answer: The fully enclosed APG solid-sealed pole column resists salt spray and condensation. The high-altitude customized model features reinforced insulation and special sealing components, allowing for stable operation at altitudes up to 4000 meters, as verified by specific scenario tests.

3. What is the product warranty scope and after-sales response time?

Answer: A 10-year limited warranty is provided, with free repair or replacement for quality issues. Global service centers are established, providing 24-hour on-site response in core areas domestically and 72-hour response overseas, including remote diagnostics and training.

4. Does the product support customized requirements, and what is the customization period?

Answer: Customization of temperature and humidity, altitude, and intelligent modules is supported. The customization period for core components is 25-30 days. Regular customized models are produced simultaneously with standard models to ensure delivery efficiency.

5. What precautions should be taken during daily operation and maintenance, and is professional personnel required?

Answer: With a maintenance-free design, daily maintenance only requires cleaning the cabinet and checking the tightness of the terminals; no professional personnel are needed. It is recommended to check the vacuum level and calibrate the mechanical characteristics every 5 years; on-site service is available.

6. What is the lifespan of the product's core components, and is replacement convenient?

Answer: The vacuum interrupter has a lifespan of 30 years, and the operating mechanism has a mechanical life of ≥20,000 cycles. With a modular design and dedicated tools and instructions, personnel can replace components after simple training, and a single person can complete the maintenance within half a day.