Indoor HV Vacuum Circuit Breaker

The ZN63-24 Indoor HV Vacuum Circuit Breaker, manufactured by China's Jinhand Electrical, is a new-generation 24kV series with solid-insulated poles and optimized mechanism. As a leading factory and supplier, we provide maintenance-free, high-reliability solutions with extended lifespan. With growing global influence, we welcome worldwide partnerships.

Advantages

1.Enhanced Insulation Reliability: The optimized design significantly improves the insulation reliability of the breaker, ensuring safer operation in high-voltage environments.
2.Improved Mechanical Reliability: The operating mechanism is designed to enhance mechanical reliability, contributing to the overall durability and performance of the circuit breaker.
3.Maintenance-Free Operation: Achieves maintenance-free operation of the main circuit, reducing operational costs and the need for regular maintenance.
4.Extended Lifespan: Offers an extended mechanical and electrical lifespan, which enhances the long-term value and reliability of the product.

MAIN TECHNICAL PARAMETERS

Main Features

1.Solid-Insulated Poles: The main conductive circuit primarily utilizes solid-insulated poles, providing robust insulation and safety performance in high-voltage applications.
2.New-Generation Design: As a new-generation series of 24kV vacuum circuit breakers, it incorporates advanced technology and design improvements to meet modern application demands.
3.Diverse Application Requirements: Developed as a versatile series, the product can cater to various application requirements across different industries, enhancing its usability.
4.Optimized Operating Mechanism: The optimized design of the operating mechanism contributes to improved interrupting performance, making it more effective in handling electrical faults.

Green and Energy-Saving Features

1.Solid insulation design requires no SF6 gas, resulting in zero greenhouse gas emissions.
2.Low operating energy consumption design optimizes mechanical operating mechanisms to reduce power consumption.
3.Long-life design reduces equipment replacement frequency, lowering resource consumption throughout the product lifecycle.
4.Recyclable material usage exceeds 85%, aligning with circular economy principles.

Frequently Asked Questions

Q1: What are the advantages of solid-insulated poles compared to traditional insulation methods?
A: Solid-insulated poles offer better weather resistance, seismic resistance, and environmental adaptability. They are unaffected by humidity or dust and eliminate concerns about gas leakage.
Q2: What special environments is it suitable for?
A: Particularly suitable for high-altitude areas (up to 4,000 meters), humid, dusty, and areas with high pollution levels, as solid insulation performance remains stable.
Q3: What is the maintenance cycle and content?
A: Professional inspection is recommended every 5 years, focusing on mechanical characteristics, loop resistance, and insulation condition. Daily condition assessment can be performed via the smart monitoring unit.
Q4: Does it support intelligent upgrades?
A: Yes, it can be configured with intelligent controllers to achieve remote monitoring, fault diagnosis, and lifespan prediction functions.
Q5: What is the delivery lead time?
A: Standard models: 30-45 days. Customized products are determined based on specific requirements. We provide expedited production channels.

Why Choose Us?

1.Technical Leadership: Holds core patents for solid-insulated vacuum circuit breaker technology, leading the industry.
2.Strict Quality Control: Products undergo full type testing at national-level inspection centers and hold multiple certifications.
3.Rich Project Experience: Products have been applied in hundreds of domestic and international substation projects, including high-end fields such as new energy and rail transit.
4.Customization Services: Can customize products based on special customer requirements, including adaptations for special altitudes and climate conditions.

IMPLEMENTATION STANDARDS

GB/T 3804　3.6kV-40.5kV High-Voltage Alternating Current Load Switches
GB/T 1984　High-Voltage Alternating Current Circuit-Breakers
GB/T 16926　High-Voltage Alternating Current Switch-Fuse Combinations
GB/T 1985　High-Voltage Alternating Current Disconnectors and Earthing Switches
GB/T 3906　AC Metal-Enclosed Switchgear and Controlgear for 3.6kV-40.5kV
GB/T 11022　Common Specifications for High-Voltage Switchgear and Controlgear Standards
GB/T 4208　Degrees of Protection Provided by Enclosures (IP Code)
DL/T 404　AC Metal-Enclosed Switchgear and Controlgear for 3.6kV-40.5kV
GB/T 311.1　Insulation Coordination – Part 1: Definitions, Principles and Rules
Standardized Design and Customization Scheme for 12kV Ring Main Units (RMUs) (2022 Edition)

Loading & Shipment

Thanks to exceptional product quality, we have established long-term partnerships with customers in over 30 countries. We support flexible trade terms and provide professional shockproof and moisture-proof packaging to ensure transportation safety, along with complete export documentation, inspection, and logistics tracking services.

Contact us

With more than ten years of hands-on experience, Jinhand has established itself as one of China’s foremost manufacturers and suppliers of electrical equipment. Our factory utilizes numerous state-of-the-art technologies and equipment, and we invite you to procure our high-grade, competitively priced products made in China.