HLA3500 3P 500 Amp 600V. This Molded Case Circuit Breaker is now obsolete. Purchase includes three lugs and trip thermal unit. AB-Deion High Interrupting Mark 75. HLA breakers were originally manufactured by Westinghouse but now owned by Eaton Cutler-Hammer Corp. Shunt trips and Auxiliary are available for field installation, however an experienced tech is should be employed. Specify Trip unit desired and specific lug requirements. Item is sold as Green/Refurbished.