Siemens 3RU1116-0FB1 Thermal Overload Relay (SIRIUS 3RU11)

The Siemens 3RU1116-0FB1 is a SIRIUS series thermal overload relay designed to provide compact and reliable motor overload protection. The device detects sustained overload conditions and trips to disconnect the motor circuit, protecting both the motor and associated wiring. It is intended for use with SIRIUS contactors and motor starter assemblies. Reset options can be manual or automatic depending on the variant. The relay features a trip indicator, screw-type terminals for secure connections and a compact industrial design for straightforward mounting and integration.