LF 2010-S

Current Sensors Overview

The LF 2010-S is a closed-loop Hall effect current sensor manufactured by LEM USA Inc. It provides electrical isolation for measuring AC, DC, and pulsed currents with a nominal primary current of 2000 A. The device features a single pass-through aperture design suitable for panel mounting. Key electrical parameters include a maximum supply voltage of 25.2 V and a response time of 0.5 microseconds. The operational temperature range spans from -40°C to +85°C. The sensor utilizes a dual power supply configuration and offers high precision with low offset drift, ensuring reliable performance in demanding industrial environments.

Current Sensors Feature Summary

• Closed-loop Hall effect technology for high-precision current measurement
• Bidirectional sensing capability for AC, DC, and pulsed currents
• Single pass-through aperture design for flexible conductor integration
• High-speed response time supporting applications up to 200 kHz

Current Sensors Applications

• Variable speed drives for industrial motors
• AC/DC converters and power supplies
• Uninterruptible power systems (UPS)
• Battery management systems in electric vehicles
• Renewable energy generation equipment

Current Sensors Procurement Notes

Verify the specific suffix code (e.g., /SP1, /SP28) against the official LEM datasheet to ensure correct pinout and connector type compatibility. Confirm that the required primary conductor diameter fits within the specified aperture dimensions. Ensure the power supply circuitry supports the dual voltage requirements and maximum current consumption limits defined in the technical documentation before integration.

Current Sensors Selection Notes

Select this model when measuring high-current loads up to 2000 A RMS with strict isolation requirements. The closed-loop architecture is preferred over open-loop sensors for applications demanding superior linearity and bandwidth. Consider the physical dimensions and panel mounting constraints during mechanical design. Verify that the operating environment temperature remains within the specified -40°C to +85°C range for optimal accuracy and longevity.

Current Sensors Part Context

The LF 2010-S belongs to the LF xx10 series of current sensors from LEM, which utilize advanced Hall effect technology. This series is designed for robust industrial applications requiring precise current monitoring. The LF 2010-S specifically targets high-current scenarios, offering a balance between large aperture capacity and fast dynamic response. It complements other LEM products like the LF 1010-S and LF 310-S, providing scalable solutions for various current ranges and installation types.

Current Sensors Replacement Considerations

Direct substitutes may include models from the same LF series with adjusted current ratings, such as the LF 1010-S for lower current needs or LF 310-S for different form factors. Verify mechanical fitment and electrical interface compatibility before substitution. Cross-reference with LEM's official replacement guide to ensure equivalent performance characteristics and safety certifications are maintained.