Description
Siemens 3RU2116-1EB0 Thermal Overload Relay Overview
The Siemens 3RU2116-1EB0 is a thermal overload relay designed to provide dependable motor protection across a wide range of HVAC and industrial motor control applications. With an adjustable current setting range of 2.8 to 4 amps, this relay guards motors against damage caused by sustained overloads, phase failure, and phase imbalance — helping extend equipment life and reduce costly downtime.
Key Features
- Adjustable trip current range: 2.8–4 A
- Thermal overload protection guards against sustained overcurrent conditions
- Phase failure and phase imbalance detection for three-phase motor protection
- Manual and automatic reset modes for flexible operation
- Compact design for direct mounting to compatible Siemens 3RT2 contactors
- Integrated test and reset button for easy field commissioning
- Trip indicator provides clear visual fault indication
- Part of the Siemens 3RU2 overload relay series
Application
The 3RU2116-1EB0 is well suited for motor starter assemblies in HVAC equipment including fan coil units, air handling units, pump motors, and compressor control panels. Its direct-mount compatibility with Siemens 3RT2 contactors simplifies panel assembly and reduces wiring complexity.
Why Choose Siemens 3RU2 Series Overload Relays
Siemens 3RU2 series relays are engineered for precision and reliability in demanding motor control environments. The bimetallic thermal sensing element provides accurate, temperature-compensated trip response, while the rugged housing ensures long service life in commercial and light industrial settings.
Specifications
- SKU: 3RU2116-1EB0
- Brand: Siemens
- Current Setting Range: 2.8–4 A
- Protection Type: Thermal overload, phase failure sensitivity
- Reset Mode: Manual / Automatic
- Mounting: Direct mount to Siemens 3RT2 contactors (Size S00/S0)
- Series: 3RU2
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