Capacitor & Reactor Insulating Shell Flame Retardant Fiberglass Wound Casing
Engineered Protection for Critical Power Components
In the core protection systems of power capacitors and reactors, the outer shell serves not only as a physical barrier but also as a critical component ensuring electrical isolation, thermal management, and long-term reliability. Our flame-retardant fiberglass wound casing is specifically designed for high-voltage power equipment, providing comprehensive protection for your critical installations.
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Why Choose Our Insulating Shell?
1. Exceptional Safety Performance
・Compliant with UL94 V-0 flame retardancy standards, effectively inhibiting flame spread.
・Superior arc resistance with surface resistivity >10¹³ Ω.
・Fully insulated design, eliminating risks of shell electrification.
2. Outstanding Mechanical Strength
・Hoop tensile strength >300 MPa, axial strength >150 MPa.
・Excellent impact resistance, capable of withstanding 6 J impact energy.
・Long-term dimensional stability with thermal expansion coefficient <2.0×10⁻⁵/℃.
3. Optimized Thermal Management
・Thermal conductivity up to 0.5 W/(m·K), effectively promoting heat dissipation.
・Operating temperature range: -40℃ to +155℃.
・Exceptional thermal shock resistance, no cracking under sudden temperature changes.
4. Precise Engineering Adaptation
・Inner diameter range: 50 mm to 1200 mm, wall thickness: 3 mm to 30 mm.
・Supports integration of various flanges, terminals, and heat sinks.
・Surface finish options: glossy, matte, or special coatings.
Technical Parameter Comparison
Performance Indicator Conventional Materials Our Product Test Standard
Flame Retardancy HB/V-2 V-0 UL94
Dielectric Strength 15-20 kV/mm ≥25 kV/mm IEC 60243
Flexural Strength 200-250 MPa ≥320 MPa ISO 178
Heat Deflection Temp 130-150℃ ≥180℃ ISO 75
Water Absorption 0.3-0.5% ≤0.1% ISO 62
Application Scenarios
・Power Capacitors: Shunt compensation, series compensation, filter capacitors.
・Reactors: Current-limiting reactors, filter reactors, smoothing reactors.
・New Energy Equipment: PV inverters, wind power converters, energy storage systems.
・Industrial Applications: Frequency converters, UPS systems, welding equipment.
・Rail Transit: Traction converters, auxiliary power systems.
Manufacturing Advantages
1. Advanced Process Technology
・Computer-controlled fiber winding technology.
・Vacuum-assisted resin infusion process.
・Fully automated curing control system.
・Online quality monitoring system.
2. Strict Quality Control
・Raw material batch traceability management.
・Real-time monitoring of production process parameters.
・Electrical performance testing for every product.
・Full-dimensional accuracy inspection.
3. Customization Service Capabilities
・Rapid sample delivery: 7-10 working days.
・Flexible small-batch production.
・Design and engineering support.
・Mold development services.
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Value Delivered to You
1. Enhanced Product Competitiveness
・Longer service life design.
・Higher safety certification standards.
・Better thermal performance.
・Lighter overall structural weight.
2. Reduced Overall Costs
・Minimized maintenance requirements.
・Lower failure rates.
・Simplified installation processes.
・Optimized inventory management.
3. Technical Support and Assurance
・24/7 technical consultation.
・On-site application guidance.
・Regular performance inspection recommendations.
・Emergency spare parts supply.
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Quality Commitment
・18-month quality assurance.
・Written guarantee of performance parameters.
・Complete material certification documentation.
・Transparent and traceable production processes.
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Call to Action
Request a sample for testing and validation. Our engineering team is ready to provide comprehensive technical support and tailored solutions.
