CR4120-20

Current Sensors Overview

The CR4120-20 is a single-element True RMS AC current transducer from the CR Magnetics CR4100 series. It features a bidirectional design with a sensing range of 20A and an accuracy of ±0.5%. The device operates within a temperature range of 0°C to 60°C, supports frequencies from 20Hz to 5kHz, and utilizes a 24V supply. It provides a calibrated output signal proportional to the average RMS input AC current.

Current Sensors Feature Summary

• Produces a calibrated output signal proportional to average RMS input AC current
• Features a single-element True RMS measurement architecture
• Supports bidirectional current sensing capabilities

Current Sensors Applications

• Industrial power monitoring systems
• AC current measurement in electrical distribution panels
• Equipment requiring precise RMS current feedback

Current Sensors Procurement Notes

Verify the specific ordering suffix and package configuration against the manufacturer's official datasheet to ensure compatibility with existing system interfaces. Confirm that the required operating frequency range and supply voltage align with the application requirements before finalizing procurement decisions.

Current Sensors Selection Notes

Select this component when a bidirectional AC current transducer with ±0.5% accuracy is required. Ensure the application environment stays within the specified 0°C to 60°C operating temperature range. Verify that the input current does not exceed the 20A rating and that the signal frequency falls between 20Hz and 5kHz for optimal performance.

Current Sensors Part Context

This model belongs to the CR4100 series of transformer-based conditioning sensors. It shares architectural similarities with other models in the series but differs in its specific current rating and output calibration. The series is designed for robust industrial applications requiring reliable AC current transduction.

Current Sensors Replacement Considerations

The CR4120-30 offers similar functionality with a 30A rating. The CR4120-150 provides a 150A sensing range. Verify interface compatibility and current ratings when substituting these models.