Description
Siemens 3RU2116-1FB0 Overload Relay Overview
The Siemens 3RU2116-1FB0 is a thermal overload relay designed to provide reliable motor protection across a wide range of commercial and industrial HVAC and mechanical applications. With a current setting range of 3.5–5A and convenient screw terminal connections, this relay delivers dependable overcurrent and phase-failure protection for three-phase motors.
Key Features
- Current setting range: 3.5–5A for precise motor protection
- Screw terminal connections for secure, tool-assisted wiring
- Thermal overload protection guards against motor burnout
- Phase-failure sensitivity helps prevent single-phasing damage
- Manual and automatic reset modes for operational flexibility
- Compact design suitable for direct mounting on Siemens 3RT contactors
- Test and reset button for easy commissioning and maintenance
- Part of the Siemens 3RU2 overload relay series
Application
The 3RU2116-1FB0 is well suited for protecting single- and three-phase motors in HVAC equipment including fan motors, pump motors, compressors, and air handling units. Its direct mounting capability with compatible Siemens 3RT contactors simplifies panel assembly and reduces wiring complexity.
Product Specifications
- Brand: Siemens
- SKU / Part Number: 3RU2116-1FB0
- Type: Thermal Overload Relay
- Current Range: 3.5–5A
- Connection Type: Screw Terminal
- Series: 3RU2
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