Medium Voltage RMU SF6 Load Break Switch
SPFC-12D/T630 series Load switches are specifically designed for 12kV SF6 gas-insulated switchgear. Featuring a rotary moving contact structure with arc-extinguishing grids, these switches offer reliable performance and excellent insulation properties. Product performance complies with GB/T3804-2017.
SPFC-12D/T630 series Load switch is primarily employed in 12kV/630-20 SF6 gas-insulated switchgear as a core component, performing essential functions including the breaking and making of rated currents and load currents.
Product Features
- Three-position load break switch, ensuring safety and reliability.
- Rotary blades + arc-extinguishing grids provide superior breaking performance
- Mechanical endurance: LBS ≥5000 cycles，ES≥3000 cycles
- Ambient temperature: -25°C to +50°C; Seismic intensity ≤ 8 degrees
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 12 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 A |
| Rated Short-time Withstand Current | 20 kA (2s) |
| Rated Peak Withstand Current | 50 kA |
| Rated Short-circuit Breaking Current | 20 kA |
| Rated Short-circuit Making Current | 50 kA |
| Mechanical Endurance (LBS) | ≥ 5,000 cycles |
| Mechanical Endurance (ES) | ≥ 3,000 cycles |
Applications
The SPFC-12D/T630 series Load switches are widely used in urban distribution networks, industrial parks and renewable energy systems for medium-voltage distribution automation systems.
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