GW1 Outdoor AC High Voltage Isolation Switch – 12kV Three-Phase Disconnect Switch with High-Strength Ceramic Insulating Posts for Outdoor Power Distribution
The GW1 Outdoor AC High Voltage Isolation Switch is an essential safety component designed for installation on outdoor high-voltage power distribution lines. Specifically engineered for cutting off or converting lines under voltage but no-load conditions, this three-phase electrical appliance provides a reliable visible gap for maintenance. The unit is composed of three separate single-pole disconnect switches, each featuring high-durability ceramic insulating posts, static contacts, gate knives, and arc angles. Built to endure harsh environments, it is suitable for altitudes up to 3000m and temperatures ranging from -25°C to +40°C, ensuring operational stability in diverse outdoor climates.
GW1 Outdoor AC High Voltage Isolation Switch (12kV / 24kV / 40.5kV)
Product Overview
The GW1 Series is a robust outdoor AC high-voltage isolation switch (disconnect switch) engineered for high-voltage power distribution lines. It is specifically designed to cut off or convert lines in power systems under voltage but no-load conditions. This three-phase electrical appliance consists of three separate single-pole units that work in synchronization to provide a visible safety gap for equipment maintenance.
Core Features & Technical Advantages
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High-Performance Insulation: Available with high-strength ceramic insulating posts or epoxy resin support insulators, providing excellent dielectric strength and weather resistance for outdoor use.
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Durable Construction: Each single-pole unit is built on an iron frame and includes a base pillar insulator, front and rear static contacts, a gate knife, and an arc angle.
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Synchronized Operation: The three single-pole units are formed into a single functional unit through a tube connecting rod, ensuring precise three-phase linkage.
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Manual Control: Equipped with a CS8-1 manual operating mechanism for reliable and straightforward manual switching.
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Anti-Theft Capability: The switch can be outfitted with an anti-theft operating mechanism upon request for enhanced site security.
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Extended Service Life: Designed with high-quality conductive parts and a mechanical life of up to 2,000 cycles.
Technical Specifications
| Item | Unit | Data |
| Rated Voltage | kV | 12 / 24 / 40.5 |
| Rated Current | A | 630 / 1000 / 1250 |
| Rated Power Frequency | Hz | 50 / 60 |
| Rated Peak Withstand Current | kA | 50 / 63 |
| Short-time Withstand Current (4s) | kA | 20 / 25 |
| Mechanical Life | Times | 2000 |
Selection details for GW1 Outdoor AC High Voltage Isolation Switch
To confirm the required switchgear component configuration for your project, include:
- Exact equipment/model reference, required electrical ratings and operating function
- Installation dimensions, mating interfaces and mechanical/electrical drawings
- Control requirements, operating environment, quantity and destination country
Drawings and quotation requirements
Send the model reference, application, quantity and destination country together with the relevant drawing or existing equipment information. Confirm the selected configuration against a model-specific drawing and ratings sheet before ordering; request the applicable test documentation for your project requirements.
Request model confirmation and a technical quotation · Compare related Disconnector Switch/Isolator / Outdoor Disconnect Switch.
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