VOLTALUME VL-LBS-H8 Series Load Break Switch — Heavy-duty isolation and switching for demanding industrial power distribution.
The VOLTALUME VL-LBS-H8 is a load break switch engineered for infrequent switching, circuit breaking, and electrical isolation in AC 50Hz systems up to 660V (440V DC), with agreed thermal current ratings from 16A to 800A. Built to IEC 60947-3 and GB/T 14048.3, it delivers dependable isolation across construction, power generation, petrochemical, and heavy industrial applications where operator safety and mechanical durability are non-negotiable.
Key Features
- Three frame families (250/400/800) spanning 16A–800A in one series
- 3P/4P configurations, rated insulation voltage 1000V, impulse withstand 12kV
- Rated operating voltage 690/440V AC/DC; arc chutes available for reliable breaking
- Mechanical life up to 10,000 operations (16–250A frames)
- IEC 60947-3 / GB/T 14048.3 compliant
Technical Specifications
| Parameter | 16–250A | 315–400A | 630–800A |
|---|---|---|---|
| Rated insulation voltage Ui | 1000V | 1000V | 1000V |
| Rated operating voltage Ue (AC/DC) | 690/440V | 690/440V | 690/440V |
| Rated impulse withstand voltage Uimp | 12kV | 12kV | 12kV |
| Poles | 3P/4P | 3P/4P | 3P/4P |
| Rated breaking capacity (Ue=690V, AC-23A) | 80–2000A | 2520–3200A | 5040–6400A |
| Rated short-circuit making capacity Icm | 0.7–30kA | 65kA | 80kA |
| Rated short-time withstand current Icw (1s) | 0.5–8kA | 15kA | 20kA |
| Mechanical life | 10,000 | 8,000 | 5,000 |
| Degree of protection | IP00 | IP00 | IP00 |
Applications
Industrial power distribution boards, construction site power panels, petrochemical facility switchgear, automation system isolation points.
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.
