Square D PowerPact family is industry leading innovation and protection for heavy duty commercial and industrial appliacations Common catalog numbers, standardized ratings, and a full range of field-installable accessories make product selection, installation and maintenance easier than ever. This compression lug kit is designed to be used with PowerPact L-frame 3 pole circuit breakers with Electronic trip units This lugs have rating as 620A for aluminium and 760a for copper at 75°C and needed 2 of each per terminal. Terminal wire range for this accessory is 2 wires of 2/0 AWG - 500 kcmil aluminium or copper Connector accessory is coming as 6 lugs per kit