SF6 Load Break Switches (LBS) have become a vital part of medium-voltage distribution networks, particularly known for their compact design, reliable arc extinguishing capability, and safety in operation. As grid demands grow and systems modernize, the application of SF6 LBS across different voltage levels—especially 24kV and 35kV—has drawn increasing industry attention.
☆ 24kV Systems
In 24kV medium-voltage distribution, SF6 LBS is widely adopted for ring main units (RMUs), compact substations, and underground cable networks. The 24kV SF6 LBS provides efficient switching for medium-duty load currents and sectionalizing tasks in urban grids. Its gas-insulated design ensures a longer service life and stable performance even in humid or dusty environments.
☆ 35kV Systems
For 35kV networks, the SF6 LBS is typically used in larger substations, industrial facilities, and rural grid expansions. At this voltage, enhanced insulation and fault interruption requirements are crucial. SF6 LBS supports these operations by offering high dielectric strength, rapid arc quenching, and minimal maintenance due to sealed gas chambers.
- Compact Footprint: Ideal for space-constrained installations, especially in urban areas.
- Enhanced Safety: Sealed SF6 gas ensures no external arc or leakage during operations.
- Low Maintenance: Unlike oil-immersed switches, SF6 LBS requires less servicing over its lifecycle.
- Versatility: Supports both indoor and outdoor applications across various system layouts.
- Environmental Protection: Despite SF6 being a greenhouse gas, modern LBS designs incorporate strict leakage control and recycling protocols to meet sustainability standards.
Putai offers a range of SF6 Load Break Switches tailored to 12kV, 24kV, and 35kV applications, meeting IEC standards with reliable quality and stable supply. Whether for RMUs or customized compact substations, Putai products are tested for long-term performance and field adaptability.
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