250A MaxiBus BusBar with 12 screws (part number 2105) Max voltage: 300V AC/ 48V DC, Continuous Rating: 250A AC/DC Terminal Screws: 12 x #10-24, Terminal Studs: 2 x 5/16"-18 UL 94-V0 rated base material resists high heat, tin plated pure electrical copper for maximum conductivity and corrision resistance 2 mounting holes accept #10 (M5) screws