CR4120-50

Current Sensors Overview

The CR4120-50 is a true RMS AC current transducer manufactured by CR Magnetics Inc. It features a single-element solid-core design suitable for industrial applications involving non-sinusoidal waveforms. The device operates with a 24 VDC power supply, allowing for ±10% tolerance. It supports an input current range of 0 to 50 A and provides a proportional 4 to 20 mADC output signal. The unit accommodates an output load up to 500 ohms and functions within a frequency range of 20 Hz to 5 kHz.

Current Sensors Feature Summary

• True RMS measurement capability for accurate reading of non-sinusoidal AC waveforms
• Solid-core construction eliminates the need for primary conductor interruption
• Single-element design simplifies installation in electrical panels

Current Sensors Applications

• Industrial power monitoring systems requiring precise AC current data
• Energy management solutions for non-linear loads
• Automated control loops utilizing standard 4-20 mA signals

Current Sensors Procurement Notes

Verify the specific model suffix against official CR Magnetics documentation to confirm the exact amperage rating and output configuration. Ensure that the required operating voltage and load impedance match the system specifications before finalizing the order. Cross-reference the datasheet to validate performance parameters for your specific application environment.

Current Sensors Selection Notes

Select this component when accurate measurement of complex AC waveforms is necessary. The solid-core architecture is ideal for retrofitting existing electrical infrastructure without modifying primary conductors. Confirm that the 4-20 mA output interface aligns with the receiving instrumentation or PLC inputs in the target system design.

Current Sensors Part Context

This transducer belongs to the CR4120 series of current sensors from CR Magnetics. The series utilizes a closed-loop magnetic compensation technique to achieve high accuracy. The specific model designation indicates the rated primary current capacity, distinguishing it from other variants within the same product family designed for different current ranges.

Current Sensors Replacement Considerations

Direct substitutes include other models within the CR4120 series with matching current ratings. Verify that any alternative component maintains the same 4-20 mA output format and 24 VDC supply requirement to ensure compatibility with existing wiring and control logic.