What is a combiner box? - Solar Power World The role of the combiner box 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 Solar Panel PV Combiner Boxes | Northern Arizona Wind & Sun Array Combiner Boxes Solar photovoltaic array combiners (solar panel combiner boxes) are commonly used to combine several solar panels (or strings of panels) into a common bus. They are basically junction boxes that are specially designed for the types of wiring used in PV systems. Solar Battery Combiner Box - Conext Battery | Schneider Two Battery Fuse Combiner Box 250s can be configured side-by-side to accommodate dual battery pole disconnection requirements. A smaller, more compact Battery Fuse Combiner Box 160 is available for battery side application with Conext MPPT Solar Charge Controllers. Part number. Battery Fuse Combiner Box 160 – 865-1030-01 Solar Combiner Box - Solar Solved In a large solar photovoltaic (PV) array, multiple solar modules are connected in series in a string to build the voltage up to proper levels for the inverter. Multiple strings of solar modules are then combined together in parallel to multiply the string output currents to higher levels for input into the inverter. The combiner box is a device that combines the output of multiple strings of PV s PV Combiner Box 3 Way. DC Fuses. 500VDC - VoltaconSolar 3-PV String Combiner Box. Complete with DC Fuses and DC Isolator . Most of the solar panel strings have to connected in parallel with several PV modules. PV combiner boxes is the safest solution to connect the solar cables of the PV array to your battery charge controller or the inverter.