The ABB TA75DU-63 is a discontinued thermal overload relay featuring a 45-63 amp setting range with thermal trip protection. This 3-pole relay includes 1 normally closed and 1 normally open contact, designed for main circuit operation at 690 VAC and auxiliary ratings of 500 VAC/440 VDC. Suitable for 50/60 Hz applications (Part number: 1SAZ321201R1005).