CR4220S-75

Current Sensors Overview

The CR4220S-75 is a split-core AC current transducer designed for industrial monitoring applications. It features a 75A primary current rating and provides a calibrated 4mA to 20mA DC output signal proportional to the average RMS input current. The device operates on a 24V supply with a maximum current consumption of 45mA. It supports bidirectional measurement and functions within a frequency range of 50Hz to 400Hz. The unit offers ±0.5% accuracy and a response time of 250ms, suitable for DIN rail or panel mounting in environments ranging from 0°C to 60°C.

Current Sensors Feature Summary

• Provides a loop-powered 4mA to 20mA DC output signal proportional to AC RMS current
• Utilizes a split-core transformer design for non-intrusive installation around conductors
• Supports bidirectional current measurement capabilities
• Features high precision calibration for accurate remote monitoring

Current Sensors Applications

• Multi-point current detection and control panels
• Remote current monitoring systems
• Motor fault monitoring
• Heating element monitoring
• Lighting element monitoring

Current Sensors Procurement Notes

Verify that the specific part number matches the required 75A rating and 4-20mA output configuration. Confirm compatibility with existing PLC power supplies for the loop-powered operation. Ensure the installation environment falls within the specified temperature range. Check for any specific certification requirements relevant to the target application sector before finalizing procurement orders.

Current Sensors Selection Notes

Select this model when precise monitoring of alternating current up to 75A is required without breaking the circuit. The split-core design facilitates retrofitting into existing electrical infrastructure. Choose this variant over fixed-core models if periodic inspection or maintenance access to the conductor is necessary. Ensure the system voltage and frequency align with the 24V and 50-400Hz specifications.

Current Sensors Part Context

This component belongs to the CR4220S series of AC current transducers manufactured by CR Magnetics Inc. The series is engineered for cost-effective and reliable current sensing in industrial settings. These devices are characterized by their ease of installation via DIN rail or panel mounting options and their ability to interface directly with standard instrumentation.

Current Sensors Replacement Considerations

Compatible alternatives within the same product line include the CR4220S-50 for lower current ratings and the CR4220S-100 for higher capacity needs. When substituting, verify that the replacement maintains the same 4-20mA output type and split-core architecture to ensure mechanical and electrical compatibility.