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Key Features:
Smooth Voltage Conversion: Converts the rectangular PWM output voltage of motor drives into a smooth sine wave with low residual ripple, ensuring optimal motor performance.
Motor Protection: Eliminates premature motor damage caused by high dv/dt, overvoltages, cable ringing, motor overheating, and eddy current losses.
Improved Bearing Life: Enhances bearing life by reducing bearing currents caused by circulating currents.
Standards Compliance: Complies with IEC 60034-17 requirements for general-purpose motors.
Optional Protective Cover: Available with an IP20 protective cover for added safety and protection.
Benefits:
Enhanced Motor Life: Protects motors from high dv/dt and overvoltage, significantly extending their lifespan.
Reduced Maintenance Costs: Minimizes motor damage and overheating, reducing the need for frequent maintenance and repairs.
Increased System Reliability: Provides a reliable solution for motor drive systems, ensuring smooth and efficient operation.
Improved Performance: Ensures optimal motor performance by converting PWM output voltage into a smooth sine wave.
Versatile Application: Suitable for a wide range of applications, from HVAC systems to medium voltage applications.
Specifications:
Nominal Operating Voltage: 3×480 VAC
Rated Operating Voltage: 3×530 VAC
Rated Currents: 2.3 to 1000 A @ 45C
Impedance: 6% @ 400 V, 50 Hz, and rated current
Residual Ripple Voltage: <5%
Protection: Available in IP00, with an optional IP20 protective cover
Typical Applications:
HVAC Systems: Ensures efficient and reliable operation of heating, ventilation, and air conditioning systems.
Pumps: Protects pumps from high dv/dt and overvoltages, ensuring smooth operation and extended life.
Conveyors: Enhances the reliability and performance of conveyor systems by mitigating motor damage.
Compressors: Prevents overheating and overvoltage in compressors, ensuring efficient operation.
Elevators: Provides reliable protection for elevator motors, ensuring smooth and safe operation.
Cranes: Enhances the performance and safety of crane motor drives.
Medium Voltage Applications: Suitable for deployment in front of step-up transformers, ensuring optimal performance.
Retrofit Installations: Ideal for retrofit installations with motor drives, providing a robust and reliable solution.
Long Motor Cables: Ensures smooth voltage conversion and motor protection in motor drives with long motor cables.
Multiple Motors in Parallel: Provides effective protection and performance enhancement for motor drives with multiple motors in parallel.
Why Choose Schaffner RWK5420 3-Phase Load Reactors?
Superior Motor Protection: Ensures comprehensive protection against high dv/dt, overvoltages, and other harmful effects.
Reliable Performance: Delivers smooth voltage conversion and optimal motor performance.
Versatile and Robust: Suitable for a wide range of applications, with options for different current ratings and protection levels.
Standards Compliant: Complies with international standards, ensuring reliable and safe operation.
Enhanced System Reliability: Minimizes motor damage and maintenance needs, ensuring continuous and efficient operation.