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CR4220S-20 is listed in the Current Sensors range at ChipApex. The manufacturer field lists CR Magnetics Inc.. Its product description is SENSOR CURRENT 20A 24V MOD. Review the specifications below when checking this part for your BOM.
The CR Magnetics CR4220S-20 is a split core, loop-powered AC current transducer designed for monitoring average RMS input AC current. It generates a calibrated 4 mA DC to 20 mA DC output signal proportional to the input current. The device supports an input range of 0-20 A AC and operates within a frequency range of 50-400 Hz. It features a single-element design with a 0-500 load capacity. Powered by a user-provided PLC supply within the output current loop, it offers high accuracy and simple wiring for remote monitoring applications.
Verify that the specific part number CR4220S-20 matches the required 0-20 A AC input range and 50-400 Hz frequency specifications. Confirm the split core configuration is suitable for the conductor size in your application. Ensure the receiving system provides the necessary loop power for the 4-20 mA DC output signal as this device is loop-powered and does not have an independent power source.
Select the CR4220S-20 when a split core solution is required for existing conductors to avoid circuit interruption. Choose this model specifically for its 0-20 A AC input range capability. Consider the 50-400 Hz operating frequency range to ensure compatibility with the target AC source. This device is suitable for applications requiring average RMS measurement with a standard 4-20 mA DC interface for integration into PLC or monitoring systems.
The CR4220S-20 belongs to the CR4220/CR4260 series of AC current transducers manufactured by CR Magnetics. These devices are engineered for cost-effective remote monitoring of AC sine currents. The series generally offers high accuracy and DIN rail or panel mounting options. The CR4220S variant specifically denotes the split core construction, distinguishing it from fixed core models within the broader product family.
Public confirmed substitute part numbers are not available in the provided documentation.
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