CR4120S-30

Current Sensors Overview

The CR4120S-30 is a True RMS AC current transducer designed for non-sinusoidal waveforms. It features a split core design and supports an input range of 0-30 AAC. The device provides a 4-20mA DC output with a load capacity up to 500 ohms. It operates on a 24 VDC power supply with +/-10% tolerance. Frequency response spans from 20 Hz to 5 KHz. Basic accuracy is rated at 0.5%. The unit allows for DIN rail or panel mounting.

Current Sensors Feature Summary

• True RMS measurement capability for accurate readings of distorted AC waveforms
• Split core construction enabling installation without breaking the conductor
• Standardized 4-20mA DC output signal for integration with monitoring systems

Current Sensors Applications

• Energy monitoring in industrial facilities
• Power quality analysis for non-linear loads
• Real-time current tracking in electrical distribution panels

Current Sensors Procurement Notes

Verify that the specific part number matches the required 30A input range and 4-20mA output configuration. Confirm that the 24VDC power supply requirement aligns with existing system infrastructure. Ensure the split core aperture size accommodates the target conductor diameter. Check for any specific mounting hardware requirements for DIN rail or panel installation scenarios.

Current Sensors Selection Notes

Select this model when high precision is required for complex AC waveforms rather than simple sinusoidal currents. The split core design facilitates retrofitting into existing electrical setups without disconnecting conductors. Consider the 20 Hz to 5 KHz frequency range to ensure compatibility with the application's signal spectrum. Verify that the 0.5% basic accuracy meets the specific measurement tolerances needed.

Current Sensors Part Context

This component belongs to the CR4120S series of True RMS AC current transducers manufactured by CR Magnetics Inc. The series is engineered for professional energy monitoring applications requiring high accuracy. The CR4120S-30 variant specifically addresses higher current ranges within the product line, maintaining consistent interface and performance characteristics across the family.

Current Sensors FAQ

Is the CR4120S-30 suitable for measuring non-sinusoidal AC currents?

Yes, it is specifically designed as a True RMS transducer to accurately measure AC current waveforms that are not purely sinusoidal.

What type of core does the CR4120S-30 use?

It utilizes a split core design, which allows for easy installation around existing conductors without the need to break the circuit.