VL-DCB-M1-PV — Non-Polar DC Molded Case Breaker for PV String Protection
This non-polar DC breaker provides reliable protection for DC power systems, with stable performance under high ambient temperatures and rated current options from 63A to 400A.
With load-side string protection up to 125A, 250A, and 400A, and an Icu of up to 25kA according to IEC 60947-2, it ensures fast and reliable protection against short circuits, overloads, arc faults, and melting.
Key Features
- Non-polar design, stable performance under high ambient temperature
- PV string protection line rated 63–400A with Icu up to 25kA per IEC 60947-2
- Broader frame family covers 16A–1250A with pole-dependent voltage up to DC 1000V
- Thermal-magnetic trip with fast, reliable short-circuit, overload and arc-fault protection
- Fixed or plug-in installation; auxiliary, alarm, shunt-release and manual/electric operation accessories available
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated current In (frame family) | 16A–1250A |
| Rated operating voltage Ue | 1P: DC250V · 2P: DC500V · 3P: DC750V · 4P: DC1000V |
| Rated insulation voltage Ui | DC 1000V |
| Rated impulse withstand voltage Uimp | 8kV |
| Ultimate breaking capacity Icu | up to 25kA (PV string-protection line, IEC 60947-2) |
| Trip type | Thermal-magnetic |
| Ambient temperature | -20°C to +70°C |
| Altitude | ≤2000m |
| Installation | Fixed, plug-in |
| Accessories | Auxiliary contact, alarm, shunt release, manual/electric operation |
Applications
PV string protection and DC distribution circuits requiring stable performance at high ambient temperature, with the 63–400A line providing Icu up to 25kA against short circuits, overloads, arc faults and melting.
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.
