LF 1010-S/SP36

Current Sensors Overview

The LF 1010-S/SP36 is a closed-loop Hall effect current transducer designed for precise measurement of DC, AC, and pulsed currents. It features galvanic isolation between primary and secondary circuits with a nominal primary current of 1000 A RMS. The device provides a proportional current output with a sensitivity of 0.2 mA/A. It operates on a dual power supply ranging from +/- 15 V to +/- 24 V. The unit supports a bandwidth up to 200 kHz and exhibits a fast response time of less than 0.5 μs. Accuracy is maintained within ±0.2% over the operating temperature range of -40°C to +85°C.

Current Sensors Feature Summary

• Closed-loop ASIC-based Hall effect technology ensures high precision and stability
• Galvanic isolation between primary conductor and secondary electronic circuitry
• Compact design allowing versatile panel mounting configurations
• Fluxgate-level accuracy with low offset drift characteristics

Current Sensors Applications

• Variable speed drives for industrial motors
• Power supplies for industrial applications
• AC/DC converters and uninterruptible power systems (UPS)
• Battery management in electric vehicles and green energy storage

Current Sensors Procurement Notes

Verify the specific suffix SP36 against official LEM documentation to confirm pinout compatibility and connector type. Ensure the required supply voltage matches the +/- 15V to +/- 24V specification. Confirm that the 40x13 mm or 38 mm diameter aperture fits the primary conductor geometry. Request the latest datasheet to validate mechanical dimensions and thermal performance limits before integration.

Current Sensors Selection Notes

Select this model when high-precision measurement of bidirectional currents is required in compact spaces. The closed-loop architecture is suitable for applications demanding low phase shift and wide bandwidth. Consider the physical mounting constraints and aperture size relative to the busbar or cable being monitored. Verify that the output interface requirements align with the SP36 configuration specifications.

Current Sensors Part Context

The LF 1010-S belongs to LEM's LF series of current transducers, which utilize closed-loop compensation techniques. This series is engineered for robust performance in demanding electrical environments. The SP36 variant denotes specific packaging and terminal arrangements within the product line. These sensors are widely utilized in power electronics where accurate current feedback is critical for control loops.

Current Sensors Replacement Considerations

Direct substitutes include other LF 1010-S variants such as LF 1010-S/SPA2 or LF 1010-S/SPA4, provided the mounting footprint and connector types are compatible. Cross-model replacements require verification of aperture size and electrical parameters. Always consult official cross-reference guides to ensure functional equivalence.