Commercial Solar Transition & Combiner Boxes

for Every Commercial Application

Get FAST delivery on the highest quality UL1741-listed commercial solar transition and combiner boxes on the market.

 

Lightweight

Easy Install

Economical

FAST Delivery

Commercial Solar Transition Boxes

Also known as pass-through boxes, Soltection transition boxes provide an easily accessible location for transitioning wires in a commercial array when fusing is not required.

CUF Series

Transition Boxes

CUF Series Transition Boxes

Soltection CUF Series solar transition boxes offer a convenient location for transitioning wires in a commercial array where fusing is not required.
CUF -06

Commercial Solar Combiner Boxes

Housed in a fiberglass enclosure, Soltection combiner boxes offer unparalleled protection against the elements and the sun. Oversized busbars and high-quality components reduce losses and offer improved efficiency for connections.

 

Grounded Combiner Boxes

RF-3 Combiner Box

Grounded Combiner Box

RF-3 Combiner Box

The RF-3 combiner box is designed to handle three strings. It combines and fuses three positive inputs and combines three negative inputs into a single positive output and a single negative output.
RF-3

RF-4 Combiner Box

Grounded Combiner Box

RF-4 Combiner Box

The RF-4 combiner box is designed to handle four strings. It combines and fuses four positive inputs and combines four negative inputs into a single positive output and a single negative output.
RF 4

RF-6 Combiner Box

Grounded Combiner Box

RF-6 Combiner Box

The RF-6 combiner box is designed to handle six strings. It combines and fuses six positive inputs and combines six negative inputs into a single positive output and a single negative output.
RF 6 Residential Combiner Box

RF-8 Combiner Box

Grounded Combiner Box

RF-8 Combiner Box

The RF-8 combiner box is designed to handle eight strings. It combines and fuses eight positive inputs and combines eight negative inputs into a single positive output and a single negative output.
RF 12 Residential Grounded DC String Combiner Box

RF-12 Combiner Box

Grounded Combiner Box

RF-12 Combiner Box

The RF-12 combiner box is designed to handle 12 strings. It combines and fuses 12 positive inputs and combines 12 negative inputs into a single positive output and a single negative output.
RF 12 Residential Grounded DC String Combiner Box

Ungrounded Combiner Boxes

RF-2-3 Combiner Box

Ungrounded Combiner Box

RF-2-3 Combiner Box

The RF-2-3 combiner box handles three strings. It combines and fuses both positive and negative inputs into a single positive output and a single negative output.
RF 2-3

RF-2-4 Combiner Box

Ungrounded Combiner Box

RF-2-4 Combiner Box

The RF-2-4 combiner box handles four strings. It combines and fuses both positive and negative inputs into a single positive output and a single negative output.
RF-2-4

RF-2-6 Combiner Box

Ungrounded Combiner Box

RF-2-6 Combiner Box

The RF-2-6 combiner box handles six strings. It combines and fuses both positive and negative inputs into a single positive output and a single negative output.
RF 2-3

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