CR4220-40

Current Sensors Overview

The CR4220-40 is a loop-powered AC current transducer designed for remote monitoring of AC sine currents. It produces a calibrated 4 mA DC to 20 mA DC output signal proportional to the average RMS input AC current. The device features a single-element solid core design with an input range of 0-40 AAC and operates within a frequency range of 50-400 Hz. It supports loads up to 500 ohms and utilizes a module package suitable for DIN rail or panel mounting.

Current Sensors Feature Summary

• Produces a calibrated 4-20 mADC output signal proportional to average RMS input AC current
• Features a single-element solid core design for easy installation
• Supports DIN rail or panel mounting configurations

Current Sensors Applications

• Multi-point current sensing and control panels
• Remote current detection
• Motor fault monitoring
• Heating element monitoring

Current Sensors Procurement Notes

Verify that the specific part number CR4220-40 matches the required 40A input range and 4-20mA output specification. Confirm compatibility with the system's load impedance, which must not exceed 500 ohms. Ensure the operating environment falls within the specified temperature range. Check for any specific regulatory certifications required for the intended application region.

Current Sensors Selection Notes

Select this component when a loop-powered solution is preferred to simplify wiring by deriving power from the output signal. It is suitable for applications requiring isolation between the primary circuit and the monitoring instrumentation. Consider the 50-400 Hz frequency range to ensure accurate measurement of the target AC signals. Verify that the 40A maximum input rating aligns with the peak operational currents of the monitored equipment.

Current Sensors Part Context

The CR4220 series consists of loop-powered AC current transducers designed for value and ease of use. These devices are engineered to interface with most commercially available instrumentation. The series offers high accuracy and simple wiring, making them suitable for various industrial monitoring tasks where cost-effective current sensing is required.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should verify pinout compatibility and electrical specifications if considering alternative models from other manufacturers.