This item is a 3 Poles, 6 Load Connections, 10 kAIC, 175 Amp, 8-2/0 AWG (Al), 14-2/0 AWG (Cu) Primary, 4-14 AWG (Cu), 4-8 AWG (Al) Secondary, Thermoplastic Power Distribution Block 600 Volts AC/DC, 1 Primary Connection, 5.2" Long x 3.32" Deep x 4" High manufactured by Eaton.