LF 2005-S/SP43

Current Sensors Overview

The LF 2005-S/SP43 is a closed-loop Hall effect current transducer manufactured by LEM USA Inc. It features a primary nominal RMS current of 2000 A and a measuring range of 0 to ±3000 A at ±24 V supply. The device provides a galvanic isolated measurement for DC, AC, and pulsed currents with a current output. It utilizes a dual power supply configuration and operates within a temperature range of -40°C to +85°C.

Current Sensors Feature Summary

• Closed-loop Hall effect technology ensures high precision and linearity for accurate current measurement.
• Galvanic isolation between primary and secondary circuits enhances system safety and noise immunity.
• Current output signal facilitates direct integration with control systems without additional signal conditioning.

Current Sensors Applications

• Motor drive inverters
• Industrial power supplies
• AC/DC converters

Current Sensors Procurement Notes

Verify the specific suffix SP43 against official LEM documentation to confirm pinout and mounting configuration compatibility. Ensure the procurement channel provides genuine components with traceable origin. Cross-reference the datasheet for mechanical dimensions and thermal requirements prior to integration.

Current Sensors Selection Notes

Select this model when high accuracy is required for currents up to 2000 A RMS. Consider the ±3000 A overload capability for transient protection. Evaluate the dual supply requirement and panel mounting constraints against the available space in the design.

Current Sensors Part Context

This component belongs to the LF series of current sensors from LEM. The series is known for robust performance in industrial applications. The LF 2005-S variant specifically targets high-current scenarios requiring precise feedback control.

Current Sensors Replacement Considerations

Consult official LEM substitution guides for compatible alternatives. Verify electrical parameters and mechanical fit before replacing with other models.