Renogy 3 to 1 Solar Branch Connectors MMMF+FFFM Pair

The Renogy 3 to 1 Solar Branch Connectors in MMMF+FFFM configuration connect three solar panels in parallel using a single pair of branch connectors. Rated for 50A continuous current and a maximum working voltage of DC1000V, these connectors suit overlanding rigs, van builds, trailers, and off-grid cabin arrays where three panels feed a single charge controller input. The pair ships as one MMMF connector and one FFFM connector.

Built for Outdoor Exposure

An IP67 shell protection rating means the Renogy 3 to 1 Solar Branch Connectors resist dust ingress and temporary water immersion, keeping the connection sealed when panels are mounted on a roof rack through rain, dust, and trail debris. High aging resistance and UV endurance extend service life in direct sun without the housing becoming brittle or the seal degrading. The -40°C to +85°C ambient temperature range covers cold-weather camping and desert heat without derating.

No-Tool Connection and Disconnection

A rivet-and-lock cable retention system secures the wire inside each connector body without crimping tools or additional hardware at assembly time. The same mechanism releases cleanly for disassembly, so panels can be reconfigured or swapped in the field without carrying a dedicated connector tool. Insertion force is rated at ≤50N and withdrawal force at ≥50N, meaning the connector seats with moderate hand pressure and holds firmly against vibration and cable tension once locked.

Electrical Safety Construction

The connector body carries a UL94-V0 flame class rating, indicating the housing material self-extinguishes rather than propagating a flame (relevant in enclosed van or trailer wiring runs where a fault could otherwise spread). Contact resistance is rated at ≤5mΩ, keeping resistive losses at the junction low across the 50A rated current. Safety Level Class II construction means the connector relies on reinforced insulation rather than a ground connection for shock protection.

Features

• Rated current: 50A continuous
• Maximum working voltage: DC1000V
• IP67 shell protection: dust-tight and water-immersion resistant
• Flame class UL94-V0: self-extinguishing housing material
• No-tool assembly and disassembly: rivet-and-lock cable retention
• Operating temperature: -40°C to +85°C

Specifications

Who This Is For and Isn't

The Renogy 3 to 1 Solar Branch Connectors suit builders wiring exactly three solar panels in parallel into a single charge controller input, common in overlanding roof-rack arrays, van solar builds, trailer systems, and off-grid cabin installations where panel count is three per string.

These connectors are designed specifically for a three-panel parallel branch and are not a two-panel Y-connector or a four-or-more panel branch solution.

Common Questions

What does the MMMF+FFFM configuration mean?

The Renogy 3 to 1 Solar Branch Connectors ship as a matched pair: one MMMF connector (two male inputs and one female output) and one FFFM connector (two female inputs and one male output). Together, the pair allows three panels to be wired in parallel: two panels connect to the branch inputs on each connector, and the single output side runs to the charge controller.

What current and voltage are these connectors rated for?

The Renogy 3 to 1 Solar Branch Connectors are rated for 50A continuous current and a maximum working voltage of DC1000V. These ratings apply to the connector junction itself; the overall system current and voltage limits are determined by the panels, charge controller, and wiring in the installation.

Are these connectors weatherproof for outdoor roof-mount use?

The Renogy 3 to 1 Solar Branch Connectors carry an IP67 shell protection rating, meaning the housing is dust-tight and resistant to temporary water immersion. The housing material also has high aging resistance and UV endurance, making the connectors suitable for permanent outdoor exposure on roof racks and panel mounts across a -40°C to +85°C ambient temperature range.

Do I need a special tool to assemble or disconnect these connectors?

No dedicated tool is required. The Renogy 3 to 1 Solar Branch Connectors use a rivet-and-lock mechanism to secure the cable inside the connector body, and the same mechanism releases for disassembly without additional tools. This makes field reconfiguration or panel swaps straightforward without carrying a connector crimping or extraction tool.

What is included in the package?

The package contains one pair of Renogy 3 to 1 Solar Branch Connectors: one MMMF connector and one FFFM connector. No additional cables, panels, or mounting hardware are included.