Power Distribution Blocks: Block Type - Power Distribution; Poles Per Block - 1; Openings Per Pole, Primary - 1; Conductor Size - Primary - 500-6; Openings Per Pole, Secondary - 21; Conductor Size - Secondary - 6-14; Conductor Material - CU/AL; Material - Housing - Thermoset; Material - Connector - Aluminum; Rating - Voltage - 600V; Rating - Amps - 380; Optional Cover - CPB165-1; Manufacturer Series - 160, 162, 163, 165