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.
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-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-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-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 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.
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-2-4 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-2-6 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.
