OutBack PSPV Combiner Box Shown here with twelve 125 VDC PV breakers and second TBB option.The PSPV Power System PV Combiner provides series overcurrent protection of PV module circuits allowing NEC compliant installation. Includes space for up to twelve 125 VDC rated breakers or eight 600 VDC rated fuse holders. Includes two positive output bus bars with two #1/0 terminals for single or dual output circuits. The type 3R outdoor rainproof enclosure can be mounted vertically or inclined to 14 degrees (3 in 12 pitch). Enclosure only without breakers or fuse holders. Standard Features and Components Outdoor, rainproof powdercoated aluminum enclosure can be installed on vertical or sloped surfaces or pole mounted. Snap in DIN rail mounting spaces for up to twelve 125 VDC rated OutBack PV breakers. PV Breakers are hydraulic-magnetic type and are not affected by high ambient temperatures. 10 year warranty on the PV breakers. For 12, 24, 48 and 60 VDC systems with PV array open circuit voltages up to 125 VDC. Load break rated. Also available with touch safe type midget fuse holders for high voltage systems up to 600 VDC Dual positive breaker combiner bus bars- can be installed to provide one or two separate PV output circuits. An additional Terminal Bus Bar (TBB) will need to be purchase to have two seperate PV output circuits. PV negative terminal bus bar with mounting holes for an additional TBB #1/0 AWG set-screw compression type box lug terminals for output wiring- accepts bare cable Four 3/4 and 1 inch conduit knockouts- one on the bottom, back and each side- enough space provided on bottom and back to allow up to a 2 inch conduit punch for larger cabling. Side knockouts cna be punched out to 1 1/4 inches. Eight 1/2 inch knockouts on bottom for PV module or subarray input conduits or strain reliefs #1/0 AWG ground lug- can be mounted either on the inside or outside surface For negative or positive ground PV systems