SF6 gas circuit breaker MV — IEC 62271-100

Description

1. Product Overview

SF6 Gas Circuit Breaker MV — IEC 62271-100 is a medium-voltage switching device that uses sulfur hexafluoride (SF₆) gas as an arc-quenching and insulation medium for reliable electrical protection. Designed for medium-voltage power distribution networks, it provides safe interruption of fault currents and efficient control of electrical systems in industrial and utility environments. Its high dielectric strength, operational reliability, and long service life make it a preferred solution for critical power infrastructure requiring dependable switching performance.

2. Key Specifications & Technical Characteristics

• Product Type: Medium-voltage SF₆ gas circuit breaker
• Applicable Standard: IEC 62271-100 (High-voltage switchgear and controlgear — AC circuit breakers)
• Insulating Medium: Sulfur hexafluoride (SF₆) gas
• Gas Grade: Electrical-grade SF₆ with high dielectric performance
• SF₆ Purity Level: Typically ≥99.9% for electrical applications
• Rated Voltage Range: Common MV classes from 3.6 kV to 40.5 kV (depending on design configuration)
• Rated Frequency: 50/60 Hz
• Current Ratings: Available configurations typically from 630 A to 3150 A
• Breaking Capacity: Designed for medium-voltage short-circuit interruption requirements
• Construction Materials: High-strength insulating housings, copper/aluminum conductors, corrosion-resistant metal components
• Physical Characteristics: Compact sealed enclosure, gas-insulated chamber, robust mechanical operating mechanism
• Operating Environment: Suitable for indoor and outdoor medium-voltage substations and industrial power systems
• Protection Features: Arc extinction, overload protection coordination, reliable fault interruption
• Packaging Options: Export-standard wooden cases, reinforced pallets, protective wrapping, customized industrial packaging
• Shelf Life: Long operational lifespan; typically 20–30 years under proper installation and maintenance conditions

3. Core Industrial Applications

• Electrical Utilities: Used in medium-voltage substations, distribution networks, and grid modernization projects for reliable power switching and protection.
• Industrial Facilities: Applied in manufacturing plants, mining operations, petrochemical facilities, and heavy industries requiring uninterrupted electrical supply management.
• Renewable Energy Systems: Supports wind farms, solar power plants, and energy storage facilities through dependable medium-voltage protection systems.
• Commercial Infrastructure: Installed in large buildings, data centers, transportation systems, and critical facilities where electrical reliability is essential.
• Operational Advantages: SF₆ technology provides excellent insulation performance, compact equipment design, high interruption capability, reduced maintenance requirements, and longer service intervals compared with conventional air-insulated breakers.

4. Competitive Advantages

• Quality Consistency: Manufactured with precision-engineered components and tested according to IEC 62271-100 standards to ensure dependable switching performance.
• Supply Reliability: Stable production capability supports large-scale utility, industrial, and infrastructure procurement requirements.
• Logistics Capability: Available with export-ready packaging and optimized handling solutions for international project deliveries.
• Cost Competitiveness: Offers lower lifecycle costs through reduced maintenance needs, compact installation requirements, and extended operating service life.
• Sustainability Benefits: Modern SF₆ circuit breakers are designed with sealed gas systems, minimizing leakage risks and improving operational efficiency.
• Technical Support & Documentation: Supplied with technical datasheets, IEC compliance documentation, installation manuals, test reports, and engineering support.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20 MT per container (subject to breaker configuration, dimensions, and packaging requirements)