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CR4220S-25 is listed in the Current Sensors range at ChipApex. The manufacturer field lists CR Magnetics Inc.. Its product description is SENSOR CURRENT XFMR 25A AC. Review the specifications below when checking this part for your BOM.
The CR4220S-25 is a split-core, loop-powered AC current transducer designed for measuring alternating currents. It features an input range of 0 to 25 AAC and provides a 4 to 20 mADC output signal. The device operates within a frequency range of 50 to 400 Hz and supports a maximum load of 0 to 500 ohms. This single-element sensor utilizes average RMS technology for accurate current monitoring in industrial applications.
Verify that the required operating frequency falls within the 50 to 400 Hz specification. Confirm that the connected load impedance does not exceed 500 ohms to ensure proper loop power functionality. Ensure the conductor size accommodates the split-core aperture for accurate measurement.
Select this model when a split-core solution is required for retrofitting or temporary monitoring. Choose based on the 25A input range and 4-20mA output requirement. Consider the 50-400Hz frequency limitation for compatibility with standard power line frequencies.
This component belongs to the CR4220S series of AC current transducers from CR Magnetics. The series offers various input ranges from 10A to 6000A, providing scalable solutions for different industrial current monitoring needs while maintaining consistent output signaling standards.
Cross-reference with other models in the CR4220S series if different input ranges are needed. Verify mechanical dimensions and terminal configurations against existing installations to ensure physical compatibility during replacement.
No, it is a loop-powered device that derives its operating energy from the 4-20mA output signal loop.
The maximum load resistance is 500 ohms to maintain proper loop operation.
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