Siemens 3RU1116-1BB0 Overload Relay Motor Protection Size S00

Siemens 3RU1116-1BB0 is a SIRIUS thermal overload relay (size S00) designed for motor protection when mounted on a compatible contactor, providing three-pole main-circuit protection with screw-terminal wiring. It offers adjustable overload protection in the 1.4–2 A range and includes a 1NO+1NC auxiliary contact for signaling, with both main and auxiliary circuits terminating in screw terminals and a manual/automatic reset option. This Class 10 device features IP20 protection, operating from -20°C to +70°C, and is intended for use with Siemens contactors in motor-control circuits; note that Siemens lists this model as discontinued with the recommended successor 3RU2116-1BB0.