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Help Center40.5kV SF6 Circuit Breaker LW8 Series With 5-Year Mechanical Warranty
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As an ISO9001-certified manufacturer with over a decade of industry experience, Jinhua Dika Electrical Equipment Co., Ltd. delivers the LW8 Series 40.5kV SF6 Circuit Breaker engineered for superior performance in high-voltage applications. Based in Jinhua, China, our facility leverages advanced manufacturing processes to produce circuit breakers that combine cutting-edge technology with operational reliability. The 5-year mechanical warranty underscores our commitment to product durability, providing customers across 15+ global markets with risk-reduced solutions for critical power infrastructure.
This breaker features innovative SF6 gas insulation technology ensuring exceptional dielectric strength and arc-quenching capabilities. Key technical advantages include:
- Enhanced Safety: Non-flammable SF6 gas prevents fire hazards during fault conditions
- Low Maintenance Design: Sealed gas chamber eliminates frequent servicing requirements
- Environmental Resilience: Operates reliably in temperatures from -30°C to +40°C
- Modular Construction: Facilitates easy installation and future upgrades
| Parameter | Specification |
|---|---|
| Rated Insulation Level | 95kV (Lightning Impulse) |
| Mechanical Life | 10,000 Operations |
| Closing Time | ≤120ms |
| Opening Time | ≤60ms |
| Gas Pressure Monitoring | Integrated Density Gauge |
The LW8 Series delivers tangible operational benefits including 30% reduced maintenance costs compared to oil-based breakers and 99.8% switching reliability. Its compact footprint enables space-efficient substation designs while the spring-operated mechanism ensures consistent tripping accuracy under varying load conditions. Optional accessories include motor charging units and remote monitoring interfaces for seamless SCADA integration.
With US$1-1.5 million in annual exports shipped from Shanghai, Tianjin, Guangzhou, and Ningbo ports, our breakers power infrastructure projects across North America, Europe, Asia, and emerging markets. Our 11-50 employee team maintains rigorous quality control through all production stages, ensuring compliance with international electrical standards. Choose Jinhua Dika for a partnership that combines technical excellence with dependable supply chain solutions – contact us today for customized quotation and technical support.
Frequently Asked Questions:
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Q: What does the mechanical warranty cover?
A: The 5-year warranty includes all moving components, operating mechanisms, and mechanical assemblies against manufacturing defects. -
Q: Is training provided for installation?
A: Comprehensive installation manuals and optional on-site technical support are available upon request. -
Q: Can this breaker integrate with existing switchgear?
A: Yes, our engineering team provides customized mounting solutions for retrofit applications. -
Q: What maintenance is required?
A: Annual visual inspections and gas pressure checks are recommended, with detailed maintenance schedules provided. -
Q: Are spare parts readily available?
A: We maintain global spare parts inventory with express shipping options. -
Q: What environmental precautions apply?
A: SF6 gas is contained within sealed systems; end-of-life recycling services are available.
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