FLN□ (SRM6)-24 (C)/630-20 Inflatable cabinet load switch (with isolation whithout grounding)
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- Product Overview
- This load switch is a special-purpose two-position load switch for gas-insulated switchgear. Adopting a rotary blade structure and arc chute for arc extinction, it features reliable performance as well as excellent insulation and breaking capacity.
The product performance complies with the requirements for Class E3-M2 disconnectors specified in GB1985-2004 High-Voltage Alternating-Current Disconnectors and Earthing Switches.
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Model and Its Designation
Precautions for Service Environment Conditions
● Altitude: Not exceeding 2000 m; Seismic intensity: Not exceeding Grade 8
● Ambient air temperature: Ranging from -45°C to +50°C. Relative humidity: Daily average not exceeding 95%, monthly average not exceeding 90%
● Not suitable for installation sites with frequent severe vibrations, nor for sites where water vapor, gases, chemically corrosive deposits, salt mist, dust and dirt that obviously affect the mechanism performance exist, as well as sites with fire or explosion hazards
● Rated SF₆ gas pressure: 0.04 MPa. The SF₆ gas complies with the requirements specified in GB/T12022-2014 Industrial Sulfur Hexafluoride
Technical Parameters
Overall and Mounting DimensionsItem Unit Technical Parameters Rated Voltage KV 12 Rated Frequency Hz 50 Rated Current A 630 Rated Short-Time Withstand Current KA 20/25 Rated Peak Withstand Current KA 50 Rated Short-Circuit Duration s 4 Rated Short-Circuit Making Current KA 50 Theoretical Operation Times 10000 Main Circuit Resistance μΩ ≤35 
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