The SIEMENS 3RU2136-4RB0 thermal overload relay is designed to provide reliable motor protection for current ratings between 70 to 80 A. It offers advanced protection against overloads and phase failure, ensuring safe and efficient motor operation in demanding industrial applications. Perfectly compatible with Siemens 3RT contactors, it supports robust motor starter configurations.
Adjustable current range: 70 A to 80 A
Built-in phase failure protection
Trip Class 10 for quick and reliable response
Manual and automatic reset modes
Ambient temperature compensation for stable performance
Integrated test and reset buttons for easy diagnostics
Direct mounting on Siemens 3RT contactors
DIN rail mountable for flexible installation
Compliant with IEC/EN 60947-4-1 standards