Siemens Industrial Controls 3RU2126-4BB0 Relay
The Siemens 3RU2126-4BB0 is a thermal overload relay designed for current-dependent protection of loads with normal starting requirements. This S0 frame size component features an adjustment current range of 14 to 20 Amps, making it a standard solution for Class 10 motor protection. Built for seamless integration, it utilizes screw terminals for secure conductor termination and is specifically engineered for direct mounting onto SIRIUS 3RT2 contactors. The device incorporates a bimetallic tripping mechanism that provides reliable protection against phase failure and overload conditions. With integrated 1NO + 1NC auxiliary contacts, technicians can easily configure signaling and manual/auto reset functions via the front-facing selector. Its compact footprint ensures efficient control cabinet layout while maintaining high switching frequency stability. Professional calibration ensures precise tripping characteristics, providing a rugged motor starter interface for industrial HVACR applications and pump control systems.
Key Benefits:- Phase Failure Sensitivity: Advanced detection ensures immediate disconnection during unbalanced loads to prevent motor winding damage.
- SIRIUS System Compatibility: Optimized for direct mechanical and electrical connection to 3RT202 contactors, reducing wiring labor.
- Selectable Reset Functions: Front-mounted switch allows for Manual, Auto, and Reset modes to suit specific motor control sequences.
- Trip Class 10: Provides standardized protection curves suitable for most standard induction motor start-up cycles.
- Auxiliary Integration: Factory-integrated 1NO and 1NC contacts simplify the integration of fault indicators and trip circuits.
How do you set the amperage on the 3RU2126-4BB0?
Use the rotary dial on the front face to align the Full Load Amps (FLA) of your motor within the 14-20A range. Ensure the setting matches the nameplate data for accurate thermal protection.
Can this relay be used with a VFD?
This thermal overload relay is designed for 50/60Hz sine wave operation. For applications involving Variable Frequency Drives, ensure the relay is installed on the line side or use dedicated electronic protection to handle harmonic distortion.
Does this unit support standalone mounting?
This model is designed for direct mounting. To install it independently on a DIN rail, a separate stand-alone installation support base (3RU2926-3AA01) is required.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $83.40
-65%$83.40
$29.19Siemens Industrial Controls 3RU2126-4BB0 Relay
The Siemens 3RU2126-4BB0 is a thermal overload relay designed for current-dependent protection of loads with normal starting requirements. This S0 frame size component features an adjustment current range of 14 to 20 Amps, making it a standard solution for Class 10 motor protection. Built for seamless integration, it utilizes screw terminals for secure conductor termination and is specifically engineered for direct mounting onto SIRIUS 3RT2 contactors. The device incorporates a bimetallic tripping mechanism that provides reliable protection against phase failure and overload conditions. With integrated 1NO + 1NC auxiliary contacts, technicians can easily configure signaling and manual/auto reset functions via the front-facing selector. Its compact footprint ensures efficient control cabinet layout while maintaining high switching frequency stability. Professional calibration ensures precise tripping characteristics, providing a rugged motor starter interface for industrial HVACR applications and pump control systems.
Key Benefits:- Phase Failure Sensitivity: Advanced detection ensures immediate disconnection during unbalanced loads to prevent motor winding damage.
- SIRIUS System Compatibility: Optimized for direct mechanical and electrical connection to 3RT202 contactors, reducing wiring labor.
- Selectable Reset Functions: Front-mounted switch allows for Manual, Auto, and Reset modes to suit specific motor control sequences.
- Trip Class 10: Provides standardized protection curves suitable for most standard induction motor start-up cycles.
- Auxiliary Integration: Factory-integrated 1NO and 1NC contacts simplify the integration of fault indicators and trip circuits.
How do you set the amperage on the 3RU2126-4BB0?
Use the rotary dial on the front face to align the Full Load Amps (FLA) of your motor within the 14-20A range. Ensure the setting matches the nameplate data for accurate thermal protection.
Can this relay be used with a VFD?
This thermal overload relay is designed for 50/60Hz sine wave operation. For applications involving Variable Frequency Drives, ensure the relay is installed on the line side or use dedicated electronic protection to handle harmonic distortion.
Does this unit support standalone mounting?
This model is designed for direct mounting. To install it independently on a DIN rail, a separate stand-alone installation support base (3RU2926-3AA01) is required.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Siemens 3RU2126-4BB0 is a thermal overload relay designed for current-dependent protection of loads with normal starting requirements. This S0 frame size component features an adjustment current range of 14 to 20 Amps, making it a standard solution for Class 10 motor protection. Built for seamless integration, it utilizes screw terminals for secure conductor termination and is specifically engineered for direct mounting onto SIRIUS 3RT2 contactors. The device incorporates a bimetallic tripping mechanism that provides reliable protection against phase failure and overload conditions. With integrated 1NO + 1NC auxiliary contacts, technicians can easily configure signaling and manual/auto reset functions via the front-facing selector. Its compact footprint ensures efficient control cabinet layout while maintaining high switching frequency stability. Professional calibration ensures precise tripping characteristics, providing a rugged motor starter interface for industrial HVACR applications and pump control systems.
Key Benefits:- Phase Failure Sensitivity: Advanced detection ensures immediate disconnection during unbalanced loads to prevent motor winding damage.
- SIRIUS System Compatibility: Optimized for direct mechanical and electrical connection to 3RT202 contactors, reducing wiring labor.
- Selectable Reset Functions: Front-mounted switch allows for Manual, Auto, and Reset modes to suit specific motor control sequences.
- Trip Class 10: Provides standardized protection curves suitable for most standard induction motor start-up cycles.
- Auxiliary Integration: Factory-integrated 1NO and 1NC contacts simplify the integration of fault indicators and trip circuits.
How do you set the amperage on the 3RU2126-4BB0?
Use the rotary dial on the front face to align the Full Load Amps (FLA) of your motor within the 14-20A range. Ensure the setting matches the nameplate data for accurate thermal protection.
Can this relay be used with a VFD?
This thermal overload relay is designed for 50/60Hz sine wave operation. For applications involving Variable Frequency Drives, ensure the relay is installed on the line side or use dedicated electronic protection to handle harmonic distortion.
Does this unit support standalone mounting?
This model is designed for direct mounting. To install it independently on a DIN rail, a separate stand-alone installation support base (3RU2926-3AA01) is required.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
