Silicone-Rubber Insulation Covers for Power Lines & Substations
Jiadian Electric specializes in high-voltage insulation protective covers — for surge arresters, fuse cutouts, terminals, busbars and line connections — that insulate exposed live parts to prevent flashover and bird/animal-caused outages. We also supply surge arresters, fuse cutouts, switches and cable accessories. OEM / ODM welcome.
- ✔ Anti-Flashover & Anti-Wildlife
- ✔ Custom-Molded to Equipment
- ✔ IEC & ISO 9001
- ✔ OEM / ODM
Power Distribution Equipment, Engineered to Last
From surge protection to cable accessories — a complete range of MV/HV equipment for utilities, EPC contractors and panel builders, all built and tested in-house.
Surge Arrester
Metal-oxide (ZnO) arresters protecting lines & equipment from lightning and switching overvoltages.
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Fuse Cutout
Drop-out fuse cutouts for overload and short-circuit protection on overhead distribution lines.
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Disconnecting Switch
Isolating switches for safe disconnection and maintenance of MV/HV circuits.
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Insulator
Composite & porcelain insulators for overhead lines, substations and switchgear.
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HV Insulation Cover
Silicone-rubber insulation covers & animal guards for live-line and busbar protection.
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Cold Shrink Cable Accessory
Silicone-rubber cold-shrink terminations & joints for power cables — no torch needed.
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Line Fittings & Accessories
Pole-line hardware, clamps, connectors and accessories for overhead power lines.
View Details →Trusted Across the Power Industry
Our equipment serves utilities, EPC contractors and OEMs wherever reliable medium- and high-voltage power is needed.
Overhead T&D Lines
Surge arresters, fuse cutouts, insulators and line fittings for distribution networks.
Substations & Switchgear
Disconnecting switches, insulation covers and arresters for substation protection.
Renewable Energy
Overvoltage protection and cable accessories for solar farms and wind power.
Railway & Industrial
Robust components for railway electrification and industrial power systems.
In-House Manufacturing, End to End
From raw-material control and silicone-rubber molding to assembly and electrical testing — every step is under one roof. That means consistent quality, full traceability and short lead times.


Certified & Type-Tested
Our products are manufactured under ISO 9001 and comply with IEC standards. Type-test reports are available on request for tenders and approvals.
ISOInternational Standard
Quality Management SystemGB/T 19001 · ISO 9001
Business LicenseRegistered Manufacturer
Surge Arrester Test ReportIEC 60099-4
Performance Test ReportProduct Inspection
Drop-out Fuse Test ReportIEC 60282-2
Your Brand, Your Spec, Our Factory
Send us a drawing, a sample or a target specification — our engineers turn it into a manufacturable, type-tested product. We support custom voltage ratings, dimensions, colors, labeling and private-label packaging.
- ✔ Custom voltage / current ratings & dimensions
- ✔ OEM branding, labeling & packaging
- ✔ Engineering support from drawing to mass production
- ✔ Low-MOQ samples & prototypes
Exporting to 30+ Countries*
Utilities, EPC contractors, panel builders and distributors across Southeast Asia, the Middle East, Africa, South America and Europe rely on JIADIAN for dependable power-distribution equipment.
Frequently Asked Questions
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