ATR2-420-24L-FT

Current Sensors Overview

The NK Technologies ATR2-420-24L-FT is a fixed-core AC current transducer designed for industrial measurement applications. It integrates a current transformer with a True RMS signal conditioner to ensure accurate readings on distorted waveforms typical of VFD or SCR outputs. The device operates on a 5-40VDC loop-powered supply and provides a standard 4-20mA output signal. Input ranges are selectable, supporting 100A, 150A, and 200A configurations.

Current Sensors Feature Summary

• Combines current transformer and True RMS signal conditioner in a single package
• Designed for accurate measurement of distorted waveforms from VFDs or SCRs
• Loop-powered operation using 5-40VDC supply
• Fixed core construction for permanent installation

Current Sensors Applications

• Variable Frequency Drive (VFD) monitoring
• Silicon Controlled Rectifier (SCR) output measurement
• Industrial power distribution systems
• Electrical equipment requiring True RMS accuracy

Current Sensors Procurement Notes

Verify the specific input range configuration (100A, 150A, or 200A) required for your application before ordering, as this model supports selectable ranges. Confirm that the fixed-core design aligns with your installation constraints, as it does not allow for split-core retrofitting. Ensure the 5-40VDC loop power supply is compatible with your existing control system infrastructure.

Current Sensors Selection Notes

Select this model when True RMS accuracy is critical for non-sinusoidal waveforms generated by power electronics. The fixed-core design is suitable for new installations where the conductor can be passed through the sensor during assembly. Compare against the ATR2-420-24L-SP if a split-core option is needed for maintenance flexibility, noting that both share similar electrical characteristics.

Current Sensors Part Context

This part belongs to the NK Technologies ATR Series, which specializes in AC current transducers combining transformers with signal conditioning. The 'FT' suffix typically denotes the fixed-core variant, distinguishing it from split-core versions like the '-SP' suffix. It is part of a broader family including AT and ATP series models for different waveform requirements.

Current Sensors Replacement Considerations

For direct replacements, consider the ATR2-420-24L-SP if split-core access is required, though installation methods differ. Verify compatibility with existing wiring and power supplies when substituting with other NK Technologies ATR series models.