CR4120S-100

Current Sensors Overview

The CR4120S-100 is a True RMS AC current transducer manufactured by CR Magnetics Inc. It features a split core design suitable for non-sinusoidal waveforms. The device supports a primary current range of 100A and operates within a frequency band of 20 Hz to 5 kHz. It provides an output load capacity of 0 to 500 ohms. The unit utilizes true RMS sensing calibration with a thermal drift specification of 500 PPM/°C. Operating temperature ranges from 0°C to +60°C, ensuring stability in standard industrial environments.

Current Sensors Feature Summary

• True RMS sensing capability for accurate measurement of non-sinusoidal AC currents
• Split core construction allowing installation without breaking the conductor
• Wide frequency response supporting harmonics and distorted waveforms

Current Sensors Applications

• Power quality monitoring systems requiring harmonic analysis
• Industrial motor control circuits with variable frequency drives
• Electrical distribution panels measuring complex AC loads

Current Sensors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout configuration and output signal type. Ensure the required primary current rating matches the application load exactly. Confirm that the operating temperature range aligns with the environmental conditions of the installation site before finalizing procurement.

Current Sensors Selection Notes

Select this model when precise measurement of distorted AC waveforms is required rather than average-responding sensors. The split core design facilitates retrofitting into existing busbar or cable setups without disconnecting power. Consider the 100A primary rating and 5 kHz bandwidth limits to ensure compatibility with the specific electrical system parameters and harmonic content present.

Current Sensors Part Context

This component belongs to the CR4120S series of True RMS AC split core current transducers. The series is engineered for applications where current waveforms deviate from pure sinusoids. The CR4120S-100 variant specifically denotes the 100A primary current rating within this product family.

Current Sensors Replacement Considerations

Consult official cross-reference data for direct substitutes. Verify interface compatibility and mounting dimensions if replacing with other split core models.