| Brand | ROCKWILL |
| Series | RLS |
| Rated voltage | 36KV |
| Rated current | 630/800A |
| Lightning impulse withstand voltage | 185/215KV |
| Rated frequency | 50/60HZ |
Indoor high-voltage g3 load-break switches and g3 load-break switch-fuse combinations can protect and control power supply and substation equipment, and are particularly suitable for ring main units, cable branch cabinets, and distribution switching substations.
This product complies with IEC international standards and Rockwill g3 gas specifications, with a Global Warming Potential (GWP) less than 1% of that of sulfur hexafluoride (SF6).
| Parameter | Value |
|---|---|
| Rated voltage (Um) | 36 kV |
| Rated frequency | 50/60 Hz |
| Rated normal current | 630 / 800 A |
| Insulation level | |
| Power frequency withstand voltage (phase-to-earth / across open gap) | 95 / 110 kV |
| Lightning impulse withstand voltage (phase-to-earth / across open gap, peak) | 185 / 215 kV |
| Rated active load breaking current | 50 A |
| Rated closed-loop breaking current | 50 A |
| Rated transfer current (with fuse-combination) | 1,000 A |
| Rated short-circuit making current (peak) | 125 kA |
| Rated short-time withstand current (2 s, RMS) | 50 kA |
| Rated cable-charging breaking current | 50 A |
| Rated line-charging breaking current | 10 A |
| Rated earth-fault breaking current | 20 A |
| Mechanical endurance (close-open cycles) | 2,000 cycles |
| Parameter | Condition |
|---|---|
| Ambient temperature | –40 °C to +60 °C (extended range) |
| Daily average relative humidity | ≤ 90 % |
| Maximum installation altitude | ≤ 2,500 m (above 1,000 m requires insulation reinforcement; consult manufacturer) |
| Parameter | SF6 | g3 |
|---|---|---|
| GWP (relative to CO2) | 23,500× | < 1% of SF6 |
| Atmospheric lifetime | 3,200 years | Short |
| Performance | Excellent | Identical |
| Equipment footprint | Standard | Identical |
| Safety class | Non-toxic | Non-toxic |
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