Description
Key Benefits
- Combines three independent 4-string PV combiners into one enclosure
- Rated for up to 1000 VDC for modern solar string designs
- Includes twelve 30 A fuses for immediate field deployment
- Equipped with 12 strain reliefs and multiple conduit knockouts
- Durable Type 3R all-aluminum powder-coated enclosure
- Protective plastic deadfront enhances safety
- High current busbars rated at 120 A per output channel
Best Uses
Tech Specs
| Spec | Value |
|---|---|
| Model | MNPV4BY3 |
| Combiner Configuration | Three independent 4-string combiners (3×4) |
| System Voltage Rating | 1000 VDC |
| Inputs | 12 total (#14 to #8 AWG) |
| Outputs | 3 total (#6 to #1/0 AWG) |
| Busbar Rating | 120 A per output (360 A total) |
| Fuses Included | 12 × 30 A |
| Strain Reliefs | 12 included |
| Conduit Knockouts | Two 2″ bottom; two 2″ side (field-expandable to 3″) |
| Enclosure | Type 3R, all-aluminum, powder-coated; plastic deadfront |
| Mounting | 14° to vertical |
| Dimensions | 16.37W x 20.70T x 5.29D inches |
| Weight | 15 lbs |
| Listings | UL 1741 & CSA 22.2 No. 107.1 (pending) |
Warranty
Important: Warranty terms may vary based on installation conditions and system configuration. See manufacturer documentation for full details.
More Info
The MidNite Solar MNPV4BY3 combiner box integrates three independent 4-string PV combiners into a single, weather-resistant enclosure, streamlining balance of system wiring.
Rated for 1000 VDC, this combiner supports modern high-voltage solar string configurations, ensuring compatibility with current system designs.
It includes twelve 30 A fuses and strain reliefs, enabling quick and safe field installation without additional parts.
The enclosure is constructed from powder-coated aluminum with a Type 3R rating, providing robust protection against outdoor elements and corrosion.
Multiple conduit knockouts on the bottom and sides allow flexible wiring entry, with side knockouts field-expandable from 2 inches to 3 inches for larger conduit needs.
High current busbars rated at 120 A per output channel support up to 360 A total, accommodating substantial current loads safely.
The included protective plastic deadfront enhances user safety by preventing accidental contact with live components.
Mounting is designed for a 14° tilt to vertical, optimizing installation orientation for various site conditions.
This product is pending UL 1741 and CSA 22.2 No. 107.1 certifications, reflecting adherence to industry safety standards.
MidNite Solar is a U.S.-based manufacturer known for NEC-compliant, innovative solar power electronics, trusted for off-grid, grid-tied, and hybrid energy systems.
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