The Siemens 3RU2136-4GB0 is a SIRIUS size S2 thermal overload relay designed for motor protection, with an integrated trip indicator — the 'for message Tripped' note means it provides a signal contact for fault indication to a PLC or HMI. It is rated Trip Class 10 for standard motor starting, and is rated for up to 690 V. Dimensions: 55 mm wide, 105 mm deep, 90 mm high.
Mounting and Connection
Mounts directly to a contactor via the fastening method (contactor mounting). The main circuit uses screw terminals. It accepts 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²) solid or stranded wire. The auxiliary switch is integrated. Operating temperature range -40 to +70 °C.