Description
The Siemens 3RU2116-1BB0 is a thermal overload relay designed to provide dependable motor protection in commercial and industrial HVAC and electrical control applications. With a current setting range of 1.4 to 2A, this relay guards motors against overload conditions, phase failure, and excessive heat buildup — helping to extend motor service life and prevent costly downtime.
Part of the Siemens 3RU2 series, this overload relay is engineered for direct mounting onto Siemens 3RT2 contactors or installation in a stand-alone configuration, offering flexible integration into motor starter assemblies and control panels.
Key Features
- Current setting range: 1.4–2A for precise motor protection
- Thermal overload protection guards against sustained overcurrent conditions
- Phase-failure sensitivity for three-phase motor applications
- Manual and automatic reset modes for operational flexibility
- Direct mounting compatible with Siemens 3RT2 contactors (Size S00)
- Integrated test and reset button for easy commissioning and maintenance
- Trip class Class 10 for standard motor protection requirements
- Compact, space-saving design suited for control panel installations
Typical Applications
- HVAC motor starter and control panel assemblies
- Pump and fan motor protection
- Commercial and light industrial motor control centers
- Building automation and mechanical room electrical panels
Product Specifications
- SKU / Part Number: 3RU2116-1BB0
- Brand: Siemens
- Current Range: 1.4–2A
- Type: Thermal Overload Relay
- Series: 3RU2
- Contactor Compatibility: Siemens 3RT2 Size S00
Order the Siemens 3RU2116-1BB0 from Jackson Systems for fast shipping and expert support on all your motor protection and electrical control needs.
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