The MNPV12-250 is designed for 200/300 VDC charge controllers. Gray aluminum type 3R rainproof enclosure with insulating dead front, will accept 6 300VDC breakers. Includes 15 position PV negative bus bar, 15 position ground bus bar, and 168 amp Plus bus bar for breakers. Plus busbars can be combined or separated to support 2 high voltage charge controllers. Breakers/fuse holders sold separately Boxed size: 16 x 14 x 5 weight: 8 Lbs. For additional information, please see spec sheet below.