Combiner Boxes and DC Safety Switches

April 2, 2010
Solar power system integrators and installation contractors can now turn to a single source for the entire DC circuit protection and disconnecting package – from the photovoltaic array to the utility. The new Cooper Bussmann® Combiner Box and DC Safety Switch lines provide application flexibility while adhering to the unique requirements of solar power production.New Combiner Boxes from Cooper Bussmann, the industry leader in critical circuit protection, power management and electrical safety, offer complete flexibility with the number of circuits, enclosure types and fusing options. Sixty popular Combiner Box configurations in NEMA 4X fiberglass and plastic enclosures are in stock and available for our Quik-Ship service with shipment within three business days of the order versus the standard lead time of two to three weeks.Select from three series, all including IP20 finger-safe CH Series modular fuse holders rated up to 30 amps and 600Vdc:•    The Standard Combiner Box Series (BCBS) includes four to 24 input circuits, is ETL Listed to UL 1741 Standard, and includes finger-safe power distribution blocks. This series is offered in steel or fiberglass NEMA 3, 3R, 4 or 4X enclosures with seamless door gaskets. •    The Integrated Disconnect Combiner Box Series (BCBD) is an all-in-one package that saves installation time and cost. This series offers the same features as the BCBS Series, but with the added choice of a 28, 55, 75, 150 or 245 amp-rated integrated disconnect to easily disconnect the power for servicing or safety. •    The space-saving Compact Combiner Box Series (BCBC) is ideal for residential and small commercial solar panel systems. This series utilizes a NEMA 4X polycarbonate enclosure as small as 6.5? x 6.5? x 4?, and is available with two to six input circuits.