MidNite 500amp battery combiner box comes with a 500amp Positive and Negative bus bar that has 3/8 inch studs. The cables can be double lugged and the copper bus bar can be drilled for additional mounting locations. If you need to attach more ring terminals, we recommend using 3/8 inch stainless bolts when you drill holes. Third bus bar optional "MNBCB-BUSBAR500". 

Has locations for up to 20 of the 3/4 inch wide and 4 of the 1.5 inch wide MNEDC breakers Powder Coated Steel

• Max. AC Voltage - 277VAC
• Max. DC Voltage - 300VDC
• Max. Wire Size - 4/0
• Number of Spaces - 24
• Environment Rating - Type 1 environmental rating (indoor)
• Product Dimensions: 26 11/16" L x 17 5/16" W x 4-11/16" D
• Product Weight: 30lbs
• Made in USA