Square D molded case circuit breakers MA family used in industrial enclosures, panelboards, switchboards, busway plug-in units, combination starters, or motor control centers. This connector accessory is designed to be used with MA, MH circuit breakers with fixed thermal and adjustable AC magnetic trip units with sensor rating of 300A to 1000A and for ME, MX breakers with current rating of 300A to 800A. Terminal wire range for this accessory is (3) 3/0 AWG – 500 kcmil aluminium or copper Connector accessory supplied as 1 lug per kit.