MidNite Solar MNPV Solar Combiner Box – 3 Way

The MidNite Solar MNPV-3 Combiner Box is a compact and durable photovoltaic (PV) array combiner designed for small to medium solar installations. Built from powder-coated aluminum with a NEMA 3R rainproof enclosure, this combiner is ideal for both off-grid cabins and grid-tie systems. It supports up to three 150VDC breakers or two 600/1000VDC fuse holders, offering flexible system configuration while maintaining safety and compliance with UL 1741 standards for the U.S. and Canada.

Features & Benefits

• Supports 3 PV Strings : Combines up to three 150VDC breaker-protected solar strings into one output for cleaner, safer system wiring.
• Flexible Breaker or Fuse Configuration : Accepts three 150VDC breakers or two 600/1000VDC fuse holders, allowing compatibility with various charge controllers and grid-tie inverters.
• 60A Positive Busbar Included : Built-in 60 amp busbar ensures reliable current handling for small to medium solar arrays.
• Integrated PV Negative & Ground Busbars : Six-position negative and six-position ground busbars simplify installation and improve system organization.
• Optional 300VDC Disconnect Breaker : Allows installation of a single 300VDC breaker (7:50A) as a system disconnect for added protection.
• NEMA 3R Rainproof Aluminum Enclosure : Powder-coated aluminum housing provides corrosion resistance and reliable outdoor performance in hot and humid climates.
• Safety Dead-Front Cover : Injection-molded insulated cover enhances installer and user safety while maintaining a professional finish.
• Versatile Mounting Options : Can be wall-mounted or pole-mounted for indoor or outdoor installations.
• UL 1741 Listed : Certified for safety compliance in North American standards, ensuring trusted build quality and reliability.
• Installer-Friendly Knockouts : Pre-punched knockouts accommodate conduit, strain reliefs, MC connectors, and lightning arrestors for flexible system design.

Use Cases

• Small Off-Grid Home Systems : Combine 2:3 solar panel strings feeding a 150VDC charge controller for rural or remote residential setups.
• Cabins & Remote Lodges : Ideal for compact solar arrays powering lighting, refrigeration, and essential appliances.
• Grid-Tie Rooftop Installations : Works with 600VDC fuse holders for small commercial or residential grid-tied inverter systems.
• Hybrid Solar Systems : Suitable for systems using inverter-chargers with battery backup, combining multiple PV inputs safely.
• Telecom & Remote Monitoring Sites : Provides organized and protected PV string combining for tower and communication equipment.
• Small Business Solar Projects : Used in shops, clinics, schools, and offices requiring reliable solar energy distribution.
• Solar Water Pumping Systems : Combines multiple panel strings supplying DC pumps or pump controllers.
• Solar Expansion Projects : Supports future array growth by safely consolidating additional PV strings into one output.

Value Propositions

• Small Off-Grid Home Systems : Combine 2-3 solar panel strings feeding a 150VDC charge controller for rural or remote residential setups.
• Cabins & Remote Lodges : Ideal for compact solar arrays powering lighting, refrigeration, and essential appliances.
• Grid-Tie Rooftop Installations : Works with 600VDC fuse holders for small commercial or residential grid-tied inverter systems.
• Hybrid Solar Systems : Suitable for systems using inverter-chargers with battery backup, combining multiple PV inputs safely.
• Telecom & Remote Monitoring Sites : Provides organized and protected PV string combining for tower and communication equipment.
• Small Business Solar Projects : Used in shops, clinics, schools, and offices requiring reliable solar energy distribution.
• Solar Water Pumping Systems : Combines multiple panel strings supplying DC pumps or pump controllers.
• Solar Expansion Projects : Supports future array growth by safely consolidating additional PV strings into one output.

Local Market Positioning in Tanzania

• Ideal for Rural Electrification Projects : Supports expanding off-grid solar homes and community power initiatives in underserved regions like Dodoma, Manyara, and Kigoma.
• Suited for Urban & Suburban Solar Installations : Perfect for rooftop systems in Dar es Salaam, Arusha, Mwanza, and other growing urban markets investing in clean energy.
• Preferred by Local Solar Installers & EPCs : Offers a trusted PV combiner solution that simplifies wiring and improves system reliability for professional installers.
• Supports Small Commercial Solar Demand : Fits the needs of shops, schools, clinics, and small businesses transitioning to solar to reduce electricity costs.
• Built for Tropical Conditions : Durable, rainproof enclosure handles Tanzania’s heat, humidity, and seasonal rains with corrosion-resistant performance.
• Compliance-Focused Choice : UL-listed combiner box gives confidence in safety and quality for projects requiring certified components.
• Flexible for Diverse System Types : Works with off-grid, hybrid, and grid-tie solar systems common in diverse Tanzanian solar markets.
• Enables Organized System Expansion : Helps local customers scale solar arrays without complicated rewiring.
• Enhances After-Sales Serviceability : Clear busbar layout and modular installation support maintenance by local technicians.

Technical Specification