Description
Siemens 3RU2116-1DB0 Thermal Overload Relay
The Siemens 3RU2116-1DB0 is a thermal overload relay engineered to deliver dependable motor protection across commercial HVAC and industrial control applications. Designed for use with Siemens 3RT contactors in the S00/S0 frame size, this relay provides accurate, class-compliant overcurrent protection to safeguard motors from damaging overload conditions.
Key Features
- Current setting range: 2.2–3.2A for precise motor protection
- Screw terminal connections for secure, vibration-resistant wiring
- Compact design compatible with Siemens 3RT2 contactor series (S00/S0 frame)
- Manual and automatic reset modes for flexible system recovery
- Integrated test and reset button for convenient on-site commissioning
- Phase failure sensitivity helps prevent single-phasing damage
- Auxiliary contacts (1 NO + 1 NC) for remote signaling and control circuit integration
- Temperature-compensated tripping for consistent performance across ambient conditions
Application
Ideal for protecting three-phase motors in HVAC equipment, fan and blower assemblies, pump controls, and general industrial motor starter circuits. The 3RU2116-1DB0 mounts directly onto compatible Siemens contactors, simplifying panel layout and reducing wiring complexity.
Why Choose Siemens 3RU2 Series
The 3RU2 overload relay series from Siemens is recognized for its robust construction, reliable trip characteristics, and seamless integration with the SIRIUS modular control system. Whether you are building a new motor control center or replacing a failed overload device, the 3RU2116-1DB0 delivers the performance and compatibility professionals trust.
Specifications
- SKU / Part Number: 3RU2116-1DB0
- Brand: Siemens
- Current Range: 2.2–3.2A
- Terminal Type: Screw
- Compatible Contactor Frame: S00/S0 (3RT2 series)
- Product Type: Thermal Overload Relay
