The 36kV Load Switch is a high-voltage electrical device designed for indoor applications, specifically for medium-voltage power distribution systems. This switch is engineered to provide reliable load switching, isolation, and grounding functions, ensuring the safety and efficiency of electrical networks.
36kV Load Switch Features
- Compact Design: The 36kV Load Switch features a compact and lightweight design, making it suitable for various installation environments, including substations and industrial facilities.
- SF6 Insulation: It utilizes sulfur hexafluoride (SF6) gas as both an insulating and arc-extinguishing medium. This ensures that the main circuit remains sealed and protected from external environmental factors, enhancing reliability and safety.
- Multi-Functional Operation: The switch integrates multiple functions, including load switching, disconnection, and grounding, into a single unit. This reduces the number of components required and simplifies installation.
- Maintenance-Free: Designed for long-term operation, the 36kV Load Switch can function safely for over 20 years under normal conditions without the need for maintenance, significantly reducing operational costs.
- Safety Mechanisms: In the event of internal arcing, the switch is designed with a structural weak point that allows overpressure gas to escape safely outside the switchgear, ensuring the safety of the equipment and personnel.
36kV Load Switch Technical Parameter
| NO. | Item | Unit | Value |
| 1 | Rated Voltage | kV | 36 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Rated Current | A | 630 |
| 4 | Rated Peak Withstand Current | kA | 50 |
| 5 | 4s Rated Short-Time Withstand Current | kA | 20 |
| 6 | Rated Making Current | kA | 50 |
| 7 | Rated Breaking Current | A | 630 |
| 8 | Power Frequency Withstand Voltage (1 min) | kV | 90/95 |
| 9 | Lightning Impulse Withstand Voltage | kV | 175/185 |
| 10 | SF6 Gas Relative Pressure (20°C) | MPa | ≤ 0.1 |
| 11 | Rated Operating Voltage (Motor) | V | AC220, DC220 |
| 12 | Average Opening Speed | m/s | 3.5 ± 1.5 |
| 13 | Average Closing Speed | m/s | 3.5 ± 1.5 |
| 14 | Three-Phase Operation Synchronization | ms | ≤ 3 |
| 15 | Main Circuit Resistance | µΩ | ≤ 120 |
| 16 | Manual Operation Torque | N·m | ≤ 160 |
36kV Load Switch Applications
1.Substations
Essential for managing and distributing power in electrical substations.
2.Industrial Plants
Used to control power supply to machinery and equipment, ensuring operational continuity.
3.Renewable Energy Facilities
Integrated into wind and solar power plants to manage the connection and disconnection of renewable energy sources.
4.Commercial Buildings
Provides reliable power distribution and management in large commercial facilities.
5.Transportation Infrastructure
Utilized in railway and airport electrical systems to ensure safe and efficient power supply.
The 36kV Load Switch is a vital component in modern electrical power distribution systems. Its advanced features, robust safety mechanisms, and maintenance-free operation make it an ideal choice for various applications, ensuring reliable and efficient management of electrical loads. With its compact design and multi-functional capabilities, it supports the growing demand for efficient energy management in both industrial and commercial settings.
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GRL Electric Co., Ltd. is one of the leading companies in the Middle And High End market of low-voltage electric in China
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