VOLTALUME VL-LBS-G8 Series Load Break Switch — Consistent, certified switching performance across the full industrial current range.
The VOLTALUME VL-LBS-G8 delivers the same wide 63A–3200A coverage as our G1 line, rated up to AC 660V (440V DC), for industrial power distribution equipment requiring infrequent switching, circuit breaking, and electrical isolation. Compliant with IEC 60947-3 and GB/T 14048.3, it is widely applied across construction, power generation, and petrochemical automation systems.
Key Features
- Full 12-step current range: 63A to 3200A in one series
- Rated insulation voltage up to 1000V, impulse withstand up to 12kV
- Use categories AC-21/22/23 for general, capacitive, and motor-load switching
- Rated short-circuit making capacity up to 70kA, withstand up to 50kA
- Mechanical life up to 10,000 operations
Technical Specifications
| Parameter | 63–250A | 400–630A | 1000–3200A |
|---|---|---|---|
| Rated insulation voltage Ui | 750V | 750–1000V | 1000V |
| Rated impulse withstand voltage Uimp | 6–8kV | 8kV | 12kV |
| Rated operational voltage Ue | AC 400/600V | AC 400/600V | AC 400/600V |
| Rated frequency | 50/60Hz | 50/60Hz | 50/60Hz |
| Use category | AC-21/22/23 | AC-21/22/23 | AC-21/22/23 |
| Rated short-circuit making capacity Icm | 10–17kA | 24–40kA | 70kA |
| Rated short-time withstand current Icw | 3–10kA | 12–20kA | 50kA |
| Mechanical life | 10,000 | 5,500 | 3,000–4,000 |
| Electrical life | 1,000 | 800 | up to 300 |
| Operating torque | 3.5–10 N·m | 15 N·m | 27–60 N·m |
Applications
Industrial power distribution equipment, construction/power/petrochemical automation systems, general-purpose isolation across the full current spectrum.
Downloads
Technical documentation for this product (datasheet, type-test report, CAD drawing) is being finalized and will be published here shortly. Need it sooner? Contact us via the Request a Quote form and our team will send it directly.
Packaging & Logistics
Packaging details, minimum order quantity, lead time and HS code for this product are being finalized and will be published here shortly. Need this information sooner? Contact us via the Request a Quote form.

