CR5211-30

Current Sensors Overview

The CR5211-30 is a DC current transducer manufactured by CR Magnetics Inc., designed for unidirectional current sensing applications. It features a solid core construction with a single element configuration, utilizing Hall effect technology for magnetic modulation in a closed-loop system. The device supports an input current range of 0 to 30 Amperes DC and provides a ratiometric output voltage of ±10 Volts DC. It operates on a 24V DC supply with a maximum current consumption of 40mA. The unit exhibits a response time of 250ms and maintains an operating temperature range from 0°C to 50°C.

Current Sensors Feature Summary

• Closed-loop magnetic modulator design for high-precision DC current measurement
• Solid core construction eliminating the need for air gaps in installation
• Ratiometric ±10V output signal compatible with standard control systems
• Unidirectional sensing capability optimized for direct current applications

Current Sensors Applications

• General industrial DC power monitoring
• Battery management systems requiring precise current tracking
• DC motor drive feedback loops
• Power supply regulation circuits

Current Sensors Procurement Notes

Verify that the specific order matches the CR5211-30 part number to ensure the 30A rating is correct, as this family includes variants with different current capacities such as 5A, 10A, and 50A. Confirm that the application environment remains within the specified 0°C to 50°C operating temperature range to maintain accuracy. Ensure the supply voltage is stable at 24V DC with appropriate tolerance. Check for RoHS compliance requirements if environmental regulations apply to the final assembly. Validate that the unidirectional nature of the sensor aligns with the circuit's current flow direction.

Current Sensors Selection Notes

Select this component when a robust, solid-core solution is required for measuring steady-state DC currents up to 30 Amperes. The closed-loop architecture offers superior linearity and bandwidth compared to open-loop alternatives, making it suitable for precision control applications. Consider the physical dimensions and mounting style to ensure compatibility with existing panel layouts. The ±10V output simplifies integration with PLCs or data acquisition systems without additional scaling hardware. Evaluate the thermal performance to ensure the enclosure can dissipate heat generated by the 40mA supply current draw effectively.

Current Sensors Part Context

This device belongs to the CR5211 series of DC current transducers from CR Magnetics Inc., which provides a range of sensors for various current magnitudes. The series utilizes advanced magnetic modulation techniques to achieve high accuracy in DC measurements. Other models in the lineup include ratings for 5A, 10A, and 50A, allowing engineers to select the appropriate sensitivity for their specific load requirements while maintaining consistent interface characteristics across the product family.

Current Sensors Replacement Considerations

Direct substitutes must match the 30A input range, ±10V output, and 24V supply requirements. Verify pinout compatibility before swapping to avoid wiring errors. Cross-reference with other closed-loop Hall effect sensors offering similar solid-core designs.