Siemens 3UA5500-1C is a 600 VAC thermal overload relay designed to protect motors in Siemens starter systems. It features a user-settable current range of 1.6 to 2.5 A and provides a 1NO+1NC auxiliary contact for signaling and interlocking in control circuits. This plug-in overload relay is intended for use with Siemens 3UA-series starters to prevent motor damage from overload by opening the circuit when the current exceeds the set point.
