CR4120S-0.5

Current Sensors Overview

The CR4120S-0.5 is a split core true RMS AC current transducer manufactured by CR Magnetics Inc. Designed for module installation on DIN rails or panels, this single-channel device detects currents up to 0.5A with ±0.5% basic accuracy. It operates within a frequency range of 20Hz to 5kHz and features a 250ms response time. The unit requires a 24V supply voltage with a maximum current consumption of 40mA. Output options include ratio signals and 0V to 5V ranges, supporting bidirectional measurement capabilities.

Current Sensors Feature Summary

• Split core design facilitates non-intrusive installation around conductors
• True RMS sensing ensures accurate measurement of complex AC waveforms
• Bidirectional capability allows detection of current flow in both directions

Current Sensors Applications

• Industrial power monitoring systems requiring precise low-current measurement
• Energy management solutions for small-scale electrical circuits
• Automated control panels utilizing DIN rail mounted instrumentation

Current Sensors Procurement Notes

Verify the specific output configuration required, as the series supports multiple signal types including ratio and voltage outputs. Confirm that the 0.5A detection range aligns with the target application's current levels. Ensure the 24V DC supply specification matches the existing system infrastructure before procurement.

Current Sensors Selection Notes

Select this model when high accuracy is required for very low amplitude AC currents. The split core architecture is ideal for retrofitting existing installations without breaking the circuit. Consider the 20Hz to 5kHz frequency range to ensure suitability for standard power line frequencies and harmonic analysis applications.

Current Sensors Part Context

This component belongs to the CR4120S series of split core true RMS AC current transducers from CR Magnetics. The series is characterized by its modular form factor and transformer-based sensing technology. It serves as a specialized instrument for precise electrical parameter monitoring in industrial environments.

Current Sensors Replacement Considerations

Direct substitutes within the same series include models with different current ratings such as CR4120S-5 or CR4120S-10. Verify compatibility regarding output signal type and physical mounting dimensions when considering alternative part numbers.