CR4420-25

Current Sensors Overview

The CR4420-25 is a RMS AC current transducer from the CR4400 series, manufactured by CR Magnetics Inc. It features a transformer-based sensor type with bidirectional polarization and three channels. The device detects up to 25A AC current with ±0.5% accuracy. It operates on 24V DC power, consuming a maximum of 110mA. The output is ratiometric, providing a 4mA to 20mA signal. It functions within a frequency range of 50Hz to 400Hz and has a response time of 250ms. Operating temperature spans 0°C to 60°C. Mounting options include DIN rail or panel installation.

Current Sensors Feature Summary

• Transformer-based RMS AC current sensing with bidirectional capability
• Three-channel configuration for simultaneous measurement
• Ratiometric 4mA to 20mA analog output signal
• DIN rail and panel mounting compatibility

Current Sensors Applications

• Industrial process control systems requiring AC current monitoring
• Power distribution panels for load management
• Energy metering and utility infrastructure
• Automated manufacturing equipment supervision

Current Sensors Procurement Notes

Verify that the specific part number matches the required 25A rating and 4-20mA output configuration. Confirm that the operating environment falls within the specified 0°C to 60°C temperature range. Ensure the supply voltage is strictly 24V DC. Check for RoHS3 compliance requirements if applicable to your project standards. Validate that the 50Hz to 400Hz frequency range aligns with your system's operational parameters before finalizing procurement.

Current Sensors Selection Notes

Select this model when precise RMS measurement of AC currents up to 25A is required. The bidirectional feature allows for monitoring current flow in both directions. The 4-20mA output integrates easily with standard industrial PLCs and data acquisition systems. Consider the three-channel capacity if multiple phases or circuits need simultaneous monitoring within a single module footprint. Ensure the DIN rail or panel mounting style fits the existing enclosure design constraints.

Current Sensors Part Context

This component belongs to the CR4400 series of RMS AC current transducers. The series offers various current ratings and output configurations. The CR4420-25 specifically addresses higher current applications compared to lower-rated variants. It utilizes transformer technology for isolation and accuracy. The module form factor supports flexible installation in industrial control cabinets.

Current Sensors Replacement Considerations

Cross-reference with other CR4400 series models for different current ratings. Verify compatibility with existing wiring diagrams due to potential pinout variations across series variants. Ensure replacement units maintain the same 4-20mA output specification.