Combi-Switch Cat. No. SMA DC-030-03181	$436.00
600VDC-rated disconnect has a built-in 4-input fused array combiner.  Four 10-amp 600VDC fuses are included.  Bring up to 8 module strings together, two into each fuse holder.  Maximum fuse size: 10 amps.  NEMA-3R outdoor enclosure, 5 year warranty.   ETL listed