CR5211S-20

Current Sensors Overview

The CR5211S-20 is a DC current transducer manufactured by CR Magnetics Inc. It utilizes Hall effect technology with a closed-loop sensing architecture to ensure high accuracy in unidirectional current measurement. The device supports an input range of 0 to 20 A DC and operates on a 24 VDC power supply with a tolerance of +/-10%. It features a split core design for non-contact installation and provides output options including ±5 VDC, ±10 VDC, or 4-20 mADC signals. The unit requires an output load of at least 2k ohms and is designed for mounting via 35mm DIN rail or panel methods.

Current Sensors Feature Summary

• Closed-loop sensing mechanism for enhanced measurement accuracy
• Split core construction enabling non-contact DC current detection
• Flexible output signal configuration supporting voltage or current modes

Current Sensors Applications

• Industrial control systems requiring precise DC current monitoring
• Power distribution networks for circuit protection and management
• Electrical testing equipment utilizing Hall effect sensors

Current Sensors Procurement Notes

Verify the specific output configuration required, as the series offers ±5 VDC, ±10 VDC, or 4-20 mADC variants. Confirm that the application environment remains within the specified operating temperature range of 0°C to 50°C. Ensure the power supply matches the 24 VDC requirement with appropriate tolerance. Check mechanical compatibility for 35mm DIN rail or panel mounting before finalizing procurement orders.

Current Sensors Selection Notes

Select this model when measuring unidirectional DC currents up to 20A with high precision is necessary. The closed-loop design distinguishes it from open-loop alternatives by providing superior linearity and stability. Consider the available output types to match existing control system interfaces. The split core feature simplifies installation without breaking existing conductors, making it suitable for retrofitting or new industrial setups.

Current Sensors Part Context

This component belongs to the CR5211S series of DC current transducers from CR Magnetics Inc. The series is engineered for applications ranging from microampere to high ampere levels. The CR5211S-20 specifically addresses the 20A measurement bracket within this family, sharing common architectural traits like Hall effect sensing and modular mounting capabilities with other models in the lineup.

Current Sensors Replacement Considerations

Direct substitutes include other CR5211S series modules such as the CR5211S-150 for higher current ranges. Cross-model comparisons should focus on matching the input current rating and output signal type. Verify that any replacement maintains the same 24 VDC supply requirement and split core physical dimensions to ensure seamless integration.