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Solar Power World Magazine Shedding Light on Combiner Boxes

combinerbox1eaton
07/01/2015

LIVERMORE, California (July 1, 2015) - Daniel Sherwood, Director of Product Management at SolarBOS, discusses combiner box basics, their place in a photovoltaic solar system, and new trends in the balance of system industry in "What is a combiner box?" article in Solar Power World Magazine. The article features SolarBOS' Circuit Breaker Recombiner and Arc Fault Circuit Interruption Combiner, two of the latest innovative BOS solutions SolarBOS has to offer.

The combiner box’s role is to bring the output of several solar strings together. Daniel Sherwood, director of product management at SolarBOS, explained that each string conductor lands on a fuse terminal and the output of the fused inputs are combined onto a single conductor that connects the box to the inverter. “This is a combiner box at its most basic, but once you have one in your solar project, there are additional features typically integrated into the box,” he said. Disconnect switches, monitoring equipment and remote rapid shutdown devices are examples of additional equipment.

Solar combiner boxes also consolidate incoming power into one main feed that distributes to a solar inverter, added Patrick Kane, product manager at Eaton. This saves labor and material costs through wire reductions. “Solar combiner boxes are engineered to provide overcurrent and overvoltage protection to enhance inverter protection and reliability,” he said.

Read the full article here: What is a combiner box?