LF 1010-S/SP16

Current Sensors Overview

The LEM LF 1010-S/SP16 is a closed-loop Hall effect current sensor designed for bipolar and insulated measurement of AC, DC, and pulsed currents. It features a nominal primary current (Ipn) of 1000 A RMS with a maximum measurable current up to 2700 A. The device offers high precision with an overall accuracy of ±0.2% within the temperature range and a typical offset drift of 0.1% Ipn. Key electrical parameters include a sensitivity of 0.2 mA/A, a frequency response up to 200 kHz, and a fast response time of less than 0.5 μs. It operates on a dual supply voltage ranging from +/- 15 V to +/- 24 V.

Current Sensors Feature Summary

• Utilizes closed-loop ASIC-based Hall effect technology for high-precision current isolation measurement.
• Provides rapid dynamic response with a response time of less than 0.5 microseconds.
• Features a compact design suitable for various panel mounting configurations.
• Supports bidirectional current measurement for AC, DC, and pulse applications.

Current Sensors Applications

• Variable speed drives for motors
• Industrial power supplies and AC/DC converters
• Uninterruptible power systems (UPS)
• Battery management in electric vehicles

Current Sensors Procurement Notes

Verify the specific suffix code (e.g., SP16) against official LEM documentation to ensure correct packaging and pinout configuration. Confirm that the required supply voltage range matches the system design. Check for any specific mounting hardware requirements associated with the aperture size. Ensure environmental conditions align with the specified operating temperature range. Request the latest datasheet to validate all electrical characteristics before integration.

Current Sensors Selection Notes

Select this component when measuring high-current AC, DC, or pulsed signals requiring galvanic isolation. The 1000 A RMS nominal rating suits heavy-duty industrial loads. Consider the 200 kHz bandwidth for high-frequency switching applications. The closed-loop architecture ensures linearity and low thermal drift compared to open-loop sensors. Verify that the physical aperture dimensions accommodate the primary conductor geometry.

Current Sensors Part Context

This model belongs to the LEM LF series of current transducers, which are engineered for robust performance in demanding industrial environments. The LF series utilizes advanced fluxgate and Hall effect technologies to deliver stable measurements across wide temperature ranges. These sensors are widely deployed in power electronics where accurate current feedback is critical for system control and protection.

Current Sensors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. When replacing this component, ensure the new sensor matches the 1000 A nominal current rating, 40x13 mm or 38 mm diameter aperture, and identical supply voltage specifications. Verify compatibility with existing mounting structures and signal output interfaces.