MARK 75 High Interrupting; Obsolete / discontinued per Eaton
Westinghouse Type HMA HMA3400 MCCB
The Westinghouse HMA3400 is a MCCB from the Type HMA family, rated 400A 3 Pole at 600 Vac. Manufactured by Westinghouse (now Eaton), this legacy replacement product is available through Swartz Electric.