HXS 10-NP/SP3 , HXS10-NP/SP3

LEM HXS 10-NP/SP3 HXS Series Open Loop Hall Effect Current Transducer

LEM HXS 10-NP/SP3 Product Overview

The HXS 10-NP/SP3 is an open-loop Hall effect current transducer from LEM's HXS Series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary circuit and the secondary circuit . This compact PCB-mount transducer features a multi-range design through PCB pattern layout . The device occupies only 3.05 cm³ on the PCB and has an extremely low profile of <11 mm .

Rated for selectable nominal currents of 10 A (primary windings connected in series) or 20 A (connected in parallel), it has a measuring range of ±30 A for the 10 A configuration and ±60 A for the 20 A configuration . It outputs an analog voltage of 2.5 ±0.625 V with ±1% accuracy and ±0.5% linearity . Sensitivity is 625 mV/A . Response time is <5 µs (reaction time <3 µs) and frequency bandwidth is DC to 50 kHz . Supply voltage is +5 V (±5%) with a current consumption of 22 mA . Mass is approximately 10 g and operating temperature ranges from -40°C to +85°C . Insulation test voltage is 3.5 kV RMS at 50 Hz for 1 minute . Output impedance is <10 Ω, with minimum load resistance ≥2 kΩ and maximum capacitive load <1 μF . Reference voltage (Vref) is 2.5 V ±0.025 V, with Vref IN/OUT access for external reference overdrive capability between 2 V and 2.8 V . Creepage and clearance distances are >5.5 mm and CTI is >600 V . The insulating plastic case is recognized according to UL 94-V0 .

LEM HXS 10-NP/SP3 Key Specifications

LEM HXS 10-NP/SP3 Key Advantages

The HXS 10-NP/SP3 employs open-loop Hall effect technology, delivering ±1% accuracy and ±0.5% linearity while providing galvanic isolation with a 3.5 kV insulation test voltage . The multi-range design via PCB layout allows a single transducer to cover 10 A or 20 A nominal currents by changing primary connections (series or parallel) . This simplifies inventory management and provides design flexibility.

A key feature is the Vref IN/OUT access, allowing the reference voltage to be overdriven with an external reference between 2 V and 2.8 V for system-level flexibility . The extremely low profile (<11 mm) and compact footprint (3.05 cm³) enable space-saving PCB designs . The single +5 V supply simplifies integration into low-voltage systems without requiring bipolar supplies. The design offers low power consumption (22 mA), high immunity to external interference, fixed offset and gain, and no insertion losses . The special SP3 feature provides two separate primary windings for dual phase measurement .

LEM HXS 10-NP/SP3 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
Renewable energy systems
Power management and industrial control

Why Choose the LEM HXS 10-NP/SP3?

The HXS 10-NP/SP3 combines selectable 10 A/20 A current ratings and ±30 A/±60 A measuring range with 2.5 ±0.625 V voltage output in a compact, ultra-low-profile PCB-mount package . Manufactured by LEM, it delivers stable, accurate, and safe current measurement for industrial applications. The open-loop Hall effect design offers a cost-effective solution with high immunity to external interference and minimal PCB footprint . The Vref IN/OUT capability, +5 V single supply, and wide -40°C to +85°C operating temperature range ensure flexible integration and reliable performance in demanding industrial environments .