Siemens 3RU1136-1HB0 (SIRIUS) – Thermal Overload Relay

The Siemens 3RU1136-1HB0 is a SIRIUS series thermal overload relay designed for motor overload protection in industrial control circuits. It provides bimetallic (thermal) overload protection and is typically mounted alongside contactors and motor starters. Suitable for DIN-rail mounting or direct assembly with SIRIUS contactors. Delivers reliable monitoring of motor current and protection against sustained overload conditions; reset method (manual or automatic) depends on the specific variant. Commonly used in control panels and automation equipment.