Outdoor High Voltage AC Isolation Switch

GW9-12 Outdoor High Voltage AC Isolation Switch, supplied by China's manufacturer Jinhand Electrical, is designed for AC 50Hz applications .This factory-direct product enables safe isolation and no-load switching in high-voltage lines, supports capacitor or inductor current switching, and ensures reliable disconnection for maintenance in substations and power systems.

Advantages

1.Reliable Isolation: Effectively isolates high-voltage lines from live electrical equipment, ensuring safe maintenance operations.
2.Versatile Application: Suitable for various rated voltage levels (10kV, 15kV, and 24kV) and capable of handling small capacitor or inductor currents.
3.Designed for Outdoor Use: Specifically engineered for outdoor environments, providing durability and reliability in high-voltage applications.

MAIN TECHNICAL PARAMETERS

Main Features

1.Rated Specifications: Operates at AC 50Hz with voltage levels of 10kV, 15kV, and 24kV, accommodating different high-voltage systems.
2.No-load Operation: Designed for opening and closing high-voltage lines under no-load conditions, enhancing operational safety.
3.High-Voltage Capability: Ideal for use with high-voltage busbars and circuit breakers during maintenance, ensuring efficient electrical isolation.

Product Highlights

1.Wide Voltage Level Coverage: Supports rated voltages of 10kV, 15kV, 20kV and working voltages of 12kV, 17.5kV, 24kV, suitable for various distribution and industrial systems.
2.No-Load Current Switching Capability: Specifically designed for circuit isolation under no-load conditions, capable of switching small capacitive and inductive currents.
3.Compact Structure and Flexible Installation: Single-column rotary structure, space-saving, suitable for compact substations and line sectionalizing points.
4.Simple and Reliable Operation: Supports remote operation via manual operating rods with low operating force and clear open/close position indication.

Operational Cost Optimization

1.Maintenance-Free Design: All rotating parts use self-lubricating bearings, requiring no periodic greasing, reducing maintenance frequency and cost.
2.Modular Component Replacement: Wearable parts such as insulators and contacts can be replaced individually without disassembling the entire unit, saving repair time and cost.
3.Long Mechanical Life: Mechanical lifespan of 2000 operations, suitable for medium-frequency switching applications, reducing replacement cycles.
4.No Auxiliary Control Power Required: Fully mechanical operation, independent of external power, suitable for sites without control power or temporary installations.

Logistics & Installation

1.Shock and Moisture-Resistant Packaging: Packed in wooden or steel crates with cushioning materials to ensure insulators and mechanisms remain intact during transit.
2.Ready-to-Install Design: Pre-assembled and tested before shipment, requiring only base fixing, wire connection, and operating rod installation on-site.
3.Adaptable to Various Mounting Methods: Supports installation on concrete poles, steel structures, or walls, with various mounting accessories available.
4.Global Logistics Support: Export-standard packaging with complete documentation, supports sea, air, and land multimodal transport.

Durability & Stability

1.High-Strength Porcelain Insulators: Excellent bending and torsion resistance, tested through multiple thermal cycling and mechanical load tests, suitable for outdoor temperature variations.
2.Full Hot-Dip Galvanized Anti-Corrosion Structure: All metal parts hot-dip galvanized for strong corrosion resistance, suitable for harsh environments such as coastal and industrial areas.
3.Optimized Contact Material: Copper-based alloy contacts with good conductivity and oxidation resistance, ensuring stable contact resistance.
4.Wide Temperature Adaptability: Reliable operation in temperatures from -40℃ to +40℃, with no jamming or loosening in the operating mechanism.

Why Choose Jinhand Electrical

1.Specialized in Isolation Switch Manufacturing: Jinhand Electric has over a decade of R&D and production experience in high-voltage isolation switches.
2.Complete Product Range: Offers a full series of isolation switches from 10kV to 24kV and 200A to 1250A.
3.International Standard Certification: Products pass type tests by national authoritative testing agencies, compliant with GB, IEC, and IEEE standards.
4.Extensive Global Project Experience: Exported to over 30 countries, widely used in power grids, railways, industrial, and mining sectors.

FAQ

1.Can it isolate capacitor banks?
Suitable for isolating small-capacity capacitor banks (e.g., distribution capacitors); specific applications require calculation based on system capacitive current.
2.What are the insulation distance requirements during installation?
Phase-to-phase and phase-to-ground distances must comply with safety regulations for the corresponding voltage level; refer to installation drawings for details.
3.Does it support motorized operation?
Standard models are manually operated; motorized operating mechanisms can be customized for remote control and automation system integration.
4.Does the 2000-operation mechanical life include the grounding blade?
No, the grounding blade’s mechanical life is calculated separately, typically 1000 operations.
5.Is it suitable for high-altitude areas?
High-altitude models are available with increased insulator creepage distance, suitable for areas up to 3000 meters above sea level.

Contact us

After ten-plus years of relentless expansion, Jinhand has risen to be one of the foremost manufacturers and suppliers of electrical equipment in China. Our factory is outfitted with a host of advanced technologies and machinery, and we encourage you to order our premium, reasonably priced products made in China.