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Help Center100A 200A High Voltage Fuse Switch for Overhead Power Line Protection
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As an ISO9001-certified manufacturer with over a decade of industry experience, Jinhua Dika Electrical Equipment Co., Ltd. specializes in producing robust electrical protection solutions. Our high-voltage fuse switches are engineered to safeguard overhead power distribution networks against overloads and short circuits, serving clients across 15 global markets including North America, Southeast Asia, and Western Europe. With an annual export volume exceeding US$1 million, we combine rigorous quality control with practical innovation to deliver products that minimize downtime and maximize grid reliability.
This pole-mounted protection device features cutting-edge design elements that set it apart in utility applications:
- Dual-current capacity with 100A and 200A models for flexible circuit protection
- Quick-break fusible elements that interrupt fault currents within milliseconds
- Weather-resistant polymer housing rated for -40°C to +85°C operation
- Visible disconnect status through color-coded operation indicators
- Hot-stick operable design allowing safe live-line maintenance
Technical specifications include:
| Parameter | 100A Model | 200A Model |
|---|---|---|
| Impulse Withstand | 200kV | 200kV |
| Mechanical Life | 10,000 operations | 10,000 operations |
| Creepage Distance | 380mm | 420mm |
| Fusing Speed | < 20ms | < 15ms |
Operational benefits for utility providers include reduced maintenance costs through accessible fuse replacement, enhanced safety via positive isolation during faults, and compatibility with standard distribution voltages up to 38kV. The modular design allows field upgrades without replacing entire units, while corrosion-resistant components extend service life in coastal or high-humidity environments.
Backed by ISO9001 quality management systems and exported through major Chinese ports including Shanghai and Ningbo, our manufacturing facility in Zhejiang serves clients in 50+ countries with proven reliability. With dedicated technical support and customizable configurations available upon request, this fuse switch represents a cost-effective solution for modernizing aging infrastructure. Contact our team today for project-specific quotations or performance documentation.
Frequently Asked Questions:
-
What clearance is required for installation?
Minimum 150mm phase-to-phase clearance is recommended for 38kV applications. -
Are replacement fuses available?
Standard and time-delay fuse links can be supplied separately. -
Can these withstand seismic activity?
Units meet IEC 62271-200 seismic requirements for Zone 3 areas. -
What maintenance intervals are recommended?
Annual visual inspection with operational testing every 3-5 years. -
Is three-phase synchronization possible?
Yes, gang-operated configurations are available upon request. -
What's the typical delivery timeframe?
Standard orders ship within 4-6 weeks from Shanghai port. -
Do you provide installation training?
Technical manuals and virtual support sessions are included. -
Can custom voltage ratings be manufactured?
Specialized units up to 72kV can be engineered for project requirements.
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