The Eaton Cutler-Hammer IQ500 modular overload relay, model 9966D61G01, is a 120 VAC overload protection module designed for use in compatible motor control circuits. It aligns with the IQ502A 120 VAC variant within the IQ500 modular family, providing protection when paired with the appropriate contactors. The 9966D61G01 part number identifies this exact module in Eaton's Cutler-Hammer lineup.
