LF 2010-S/SP23 , LF2010-S/SP23

LEM LF 2010-S/SP23 LF2010-S Series Closed-Loop Current Transducer

2000A Rated Current x ±4500A Measuring Range — High-Accuracy Panel-Mount Sensor with MOLEX Connector

LEM LF 2010-S/SP23 Product Overview

The LF 2010-S/SP23 is a closed-loop Hall effect current transducer from LEM's LF2010-S series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary and secondary circuits . This panel-mount sensor features a 60 x 20 mm rectangular aperture (or 57 mm diameter) for the primary conductor crossing, and offers exceptional high accuracy at the level of Fluxgate technology but at the price of Hall effect . The SP23 variant provides high mounting versatility via a secondary circuit MOLEX Minifit Jr 5566 connector with gold-plated pins .

Rated for 2000 A nominal with a ±4500 A measuring range, it outputs a secondary current of 400 mA (instantaneous) with 0.3% accuracy over temperature and ±0.1% linearity . Sensitivity is 0.2 mA/A . Response time is 500 ns and bandwidth is DC to 150 kHz . Supply voltage range is ±14.25 V to ±25.2 V . Supply current is 48 mA maximum . Operating temperature is -40°C to +85°C . The sensor offers exceptional offset drift of 0.05% of Ipn over the full temperature range . Insulation standards comply with IEC 61010-1, IEC 61800-5-1, and IEC 62109-1 .

LEM LF 2010-S/SP23 Key Specifications

LEM LF 2010-S/SP23 Key Advantages

The LF 2010-S/SP23 employs closed-loop Hall effect technology with a proprietary ASIC, delivering 0.3% accuracy and ±0.1% linearity while maintaining an exceptional offset drift of only 0.05% of Ipn over the full temperature range . The ±4500 A range provides generous headroom for measuring nominal currents up to 2000 A with transient overcurrent capability, while the 500 ns response time and 150 kHz bandwidth capture fast-changing switching waveforms with high fidelity. The 60 x 20 mm aperture accommodates large primary conductors, and the panel-mount design enables secure installation in industrial cabinets. The MOLEX Minifit Jr 5566 connector with gold-plated pins ensures reliable secondary circuit connections, while the wide ±14.25 V to ±25.2 V supply range provides flexibility for various industrial power systems.

LEM LF 2010-S/SP23 Typical Applications

AC variable speed drives and servo motor drives
Static converters for DC motor drives
Battery supplied applications
Uninterruptible Power Supplies (UPS)
Switched Mode Power Supplies (SMPS)
Power supplies for welding applications
Windmill inverters
Test and measurement
Renewable energy systems
Drives, power supplies, renewable energies, welding

Why Choose the LEM LF 2010-S/SP23?

The LF 2010-S/SP23 combines a 2000 A nominal rating with a ±4500 A measuring range and 0.3% accuracy in a panel-mount package featuring a convenient MOLEX Minifit Jr connector with gold-plated pins . Manufactured by LEM, it delivers stable, accurate, and safe current measurement for demanding industrial power conversion, renewable energy, and motor control applications. The closed-loop Hall effect design offers fluxgate-level accuracy, excellent linearity, very low offset drift, and high immunity to external interference, making it a reliable choice for critical systems where measurement integrity is paramount. The SP23 variant's connectorized interface simplifies integration and ensures robust performance in industrial environments, while the -40°C to +85°C operating range guarantees reliable operation in harsh conditions .