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The GW4 High Voltage Disconnect Switch is a reliable and essential component for isolating high-voltage circuits during maintenance, ensuring safety and proper operation. This switch is ideal for high-voltage systems and substations, providing a secure means to disconnect the circuit without risking damage or unsafe conditions.

Key Features:
- Durability: The GW4 High Voltage Disconnect Switch offers a mechanical life of up to 10,000 operations, ensuring long-term reliability and minimal maintenance.
- Wide Voltage Range: Available in various voltage ratings from 27.5 kV to 550 kV, making it suitable for a range of electrical networks and system configurations.
- High Fault Withstand Capacity: Rated for peak withstand currents from 80 kA to 160 kA, this switch can handle large fault currents, ensuring protection during short-circuit conditions.
- Flexible Current Ratings: The GW4 is available in current ratings ranging from 1250 A to 4000 A, allowing it to adapt to different system loads and requirements.
Technical Specifications:
Serial No. | Item | Parameters |
---|---|---|
1 | Voltage (kV) | 27.5, 40.5, 72.5, 126, 145, 252, 363, 420, 550 |
2 | Frequency (Hz) | 50/60 |
3 | Current (A) | 1250, 1600, 2000, 2500, 3150, 4000 |
4 | Rated Peak Withstand Current (kA) | 80, 100, 125, 160 |
5 | Rated Short Time Withstand Current (kA) | 31.5, 40, 50, 63 |
6 | Rated Short Circuit Duration (s) | 3, 4 |
7 | Mechanical Life (Operations) | 10,000 |
Applications:
The GW4 High Voltage Disconnect Switch is widely used in power substations, transformer stations, and high-voltage transmission systems. It provides a crucial role in the isolation of electrical circuits for maintenance or during emergency conditions, ensuring both safety and efficiency.
Why Choose the GW4 High Voltage Disconnect Switch?
- Enhanced Safety: The GW4 switch offers excellent safety features that ensure operators are protected during maintenance operations, with secure isolation of high-voltage circuits.
- Customizable Options: The switch is available in various voltage and current configurations, making it adaptable for different system requirements.
- Reliable Performance: Engineered for long-lasting durability, the GW4 can withstand significant fault conditions and operate for up to 10,000 mechanical operations.
FAQs
1. What is the mechanical lifespan of the GW4 High Voltage Disconnect Switch?
The GW4 switch offers a mechanical lifespan of up to 10,000 operations, ensuring that it remains reliable over the long term.
2. Can the GW4 switch be used for both 50 Hz and 60 Hz frequencies?
Yes, the GW4 High Voltage Disconnect Switch is designed to be compatible with both 50 Hz and 60 Hz frequencies, making it suitable for use in various regions and applications.
3. What are the available voltage ratings for the GW4 switch?
The GW4 switch is available in voltage ratings from 27.5 kV to 550 kV, which allows it to be used in a wide Learn more about transformer of high-voltage applications.
By choosing the GW4 High Voltage Disconnect Switch, you ensure that your electrical system remains safe, efficient, and reliable. Whether used in new installations or as an upgrade to existing systems, the GW4 is a trusted solution for high-voltage circuit isolation.