CR4110S-40

Current Sensors Overview

The CR4110S-40 is a True RMS AC current transducer manufactured by CR Magnetics Inc. It utilizes a split-core design for non-intrusive installation on busbars or cables. The device measures alternating current with a detection range of 40A and provides an accurate output signal proportional to the average RMS input. Key electrical specifications include a frequency response of 20Hz to 5kHz, an accuracy of ±0.5%, and a supply voltage of 24VDC. The module supports bidirectional current flow and features a response time of 250ms. It operates within a temperature range of 0°C to 60°C and offers RS485 communication output.

Current Sensors Feature Summary

• Split-core construction enables easy installation without breaking the primary circuit
• True RMS measurement capability ensures accuracy for non-sinusoidal waveforms
• Bidirectional sensing allows monitoring of current flow in both directions
• Integrated RS485 interface facilitates digital data transmission

Current Sensors Applications

• Multi-point current sensing systems
• Motor fault monitoring applications
• Heating element current monitoring
• Lighting element current monitoring

Current Sensors Procurement Notes

Verify the specific suffix against official CR Magnetics documentation to confirm interface type and calibration. Ensure the split-core window dimension matches the target conductor size. Confirm that the required communication protocol aligns with the RS485 specification listed for this model variant. Cross-reference the manufacturing date code if long-term availability is critical.

Current Sensors Selection Notes

Select this model when non-invasive monitoring of up to 40A AC current is required. The split-core design is essential for retrofits where circuit interruption is not feasible. Choose this unit over solid-core variants if the primary conductor cannot be disconnected. Verify that the system environment stays within the specified 0°C to 60°C operating range for optimal performance.

Current Sensors Part Context

This component belongs to the CR4110 series of True RMS AC current transducers from CR Magnetics. The series is designed for industrial instrumentation and control panels. The 'S' suffix typically denotes the split-core configuration, distinguishing it from solid-core models like the CR4110-40. These devices are engineered to provide high-accuracy measurements for complex AC waveforms in commercial and industrial settings.

Current Sensors Replacement Considerations

Direct replacements must match the 40A rating, split-core architecture, and RS485 output. Models such as CR4110-40 may require verification of the core type and interface compatibility. Ensure any substitute maintains the same frequency response and accuracy specifications.