CR4211-50

Current Sensors Overview

The CR4211-50 is a self-powered AC current transducer manufactured by CR Magnetics Inc. It features a single channel transformer design with conditioning for bidirectional measurement. The device provides a ratiometric 0V to 10VDC output signal proportional to the input current. It is calibrated for a maximum primary current of 50A and operates within a frequency range of 50Hz to 400Hz. The unit is lead-free and RoHS compliant, designed for solid core applications without requiring an external power source.

Current Sensors Feature Summary

• Self-powered operation eliminates the need for external voltage supplies
• Provides a linear 0-10 VDC analog output signal proportional to AC current
• Capable of bidirectional current sensing for accurate positive and negative cycle measurement
• Integrated transformer conditioning ensures stable signal transmission

Current Sensors Applications

• Industrial motor control systems requiring real-time current monitoring
• Power quality analysis equipment for harmonic distortion detection
• Building automation energy management subsystems
• Electrical protection relays and circuit breaker interfaces

Current Sensors Procurement Notes

Verify that the specific order matches the CR4211-50 designation to ensure the 50A rating is correct for the application load. Confirm that the operating frequency falls within the 50Hz to 400Hz specification range. Check for RoHS compliance requirements if the deployment involves restricted substance regulations. Ensure the installation environment supports the physical mounting dimensions specified in the official mechanical drawings.

Current Sensors Selection Notes

Select this model when a self-powered solution is required to simplify wiring and reduce system complexity. Choose the CR4211-50 specifically when the expected current load does not exceed 50A RMS. Consider this component for applications needing a standard 0-10V interface compatible with common PLC or data acquisition inputs. Evaluate the bidirectional capability if the system experiences reverse power flow or alternating load directions.

Current Sensors Part Context

This component belongs to the CR4211 series of AC current transducers from CR Magnetics. The series offers various current ratings, with the suffix indicating the specific amperage capacity. These devices are positioned as cost-effective alternatives to powered transducers, utilizing internal transformer technology to generate their output signal directly from the measured line current.

Current Sensors Replacement Considerations

The CR4210S-50 is a related module within the same product family offering similar functionality. Verify compatibility regarding mounting style and output signal characteristics before substituting. Ensure the replacement part maintains the required 50A rating and frequency response for the existing circuit design.