Siemens 3RV1031-4EA10 is a three-pole Sirius motor protection relay (motor starter protector) sized for S2, with an adjustable current setting in the 22–32 A range. It combines overload protection with a 416 A short-circuit release and a Class 10 A‑relay characteristic, suitable for motors up to 575 V AC and featuring screw terminals with front IP20 protection. The unit is specified for an operating ambience of -20 to +80 °C and is delivered without an auxiliary contact.
