
LEM HX 10-NP HX Series Open Loop Hall Effect Current Transducer
LEM HX 10-NP Product Overview
The HX 10-NP is an open-loop Hall effect current transducer from LEM's HX 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 via PCB pattern layout, allowing the nominal current to be set to 10 A (series connection) or 20 A (parallel connection) . The device requires minimal board space and weighs only 8 g .
Rated for selectable nominal currents of 10 A (measuring range ±30 A) or 20 A (measuring range ±60 A), it outputs an analog voltage of ±4 V with ±1% accuracy and ±0.1% linearity . Response time is 3 µs and frequency bandwidth is DC to 50 kHz . Supply voltage is ±15 V (±5%) with current consumption of <15 mA . Operating temperature ranges from -25°C to +85°C . Insulation test voltage is 3000 V RMS at 50 Hz for 1 minute . The insulating plastic case is recognized according to UL 94-V0 . Please note: This model has product status Not For New Designs .
LEM HX 10-NP Key Specifications
|
Parameter |
Value |
|
Rated current (IPN) |
10 A (series), 20 A (parallel) |
|
Measuring range (IPM) |
±30 A (series), ±60 A (parallel) |
|
Output signal |
±4 V (analog voltage) |
|
Supply voltage (VC) |
±15 V (±5%) |
|
Accuracy |
±1 % |
|
Linearity (εL) |
±0.1 % |
|
Response time (tr) |
3 µs |
|
Bandwidth (BW) |
DC to 50 kHz |
|
Insulation test voltage (Vd) |
3000 V RMS / 50 Hz / 1 min |
|
Operating temp (TA) |
-25°C to +85°C |
|
Mass (m) |
8 g |
|
Mounting |
PCB (through-hole) |
|
Technology |
Open-loop Hall effect |
|
Product Status |
Not For New Designs |
LEM HX 10-NP Key Advantages
The HX 10-NP employs open-loop Hall effect technology, delivering ±1% accuracy and ±0.1% linearity while providing galvanic isolation with a 3000 V insulation test voltage . The multi-range NP design allows a single transducer to cover 10 A or 20 A nominal currents by changing primary connections (6+6 turns for 10 A, 3+3 turns for 20 A) , providing application flexibility and simplifying inventory management . The 50 kHz bandwidth and 3 µs response time capture dynamic current signals in motor drive and power conversion applications . The compact PCB-mount design offers low power consumption (<15 mA), easy mounting with automatic handling systems, high immunity to external interference, low insertion losses, and small size .
LEM HX 10-NP 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
Sensing and instrumentation
Industrial power management
Why Choose the LEM HX 10-NP?
The HX 10-NP combines selectable 10 A/20 A current ratings with ±4 V voltage output in a compact 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 excellent external interference immunity and a small footprint . Compliance with UL 94-V0 flame rating ensures safe operation in industrial environments . Please note that this model has product status Not For New Designs and is not recommended for new projects .
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