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Hot Products

HAS 500-S , HAS500-S

HOT OFFER// Authorized Distributor
  • MacroQuest Part#HAS 500-S
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
    • $9.88 - $11.36
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    Description FAQ Review
    Description

    HAS500-S | Swiss LEM High-Performance Open-Loop Hall Effect Current Sensor

     

    On the stage of industrial automation, every precise current monitoring point is critical to the safety of an entire production line. A 0.1% fluctuation in current could be a sign of equipment failure or the start of energy waste. How can your equipment “sense” every tiny current change? The HAS500-S, a high-precision current sensor from LEM (Switzerland), is becoming an indispensable sensing node in high-end industrial applications.

     

    Why Choose the HAS500-S?

    Swiss Quality, Precision Engineering

    LEM is a globally leading brand in electrical measurement, with decades of expertise in Hall-effect technology. The HAS500-S series inherits LEM’s hallmark high accuracy, reliability, and ease of use, making it an engineer’s trusted choice. Whether in harsh industrial lines or complex renewable energy systems, LEM provides stable and durable current monitoring.

    500A Wide Range Covers Core Applications

    Rated at 500A with a maximum measurement range of ±900A, this sensor covers high-power applications such as EV charging stations, photovoltaic inverters, industrial variable frequency drives, and servo systems. One sensor handles everything from normal loads to peak currents.

    Fast 1µs Response – Never Miss a Transient Fault

    The HAS500-S series achieves response times as fast as 1µs, accurately capturing every change in current waveform under high-speed switching conditions. Whether it is the fine details of PWM pulses from a VFD or current spikes during equipment start-up, all are recorded precisely – the key reason why high-end servo control and precision machining industries eliminate “glitches.”

     

    HAS500-S Key Technical Specifications

    Parameter

    Value

    Rated current (Ipn)

    500 A (AC/DC, bidirectional)

    Measuring range (Ipm)

    ±900 A

    Technology

    Hall effect, open loop

    Accuracy

    ±1%

    Linearity

    ±1%

    Response time

    3 µs

    Bandwidth

    DC ~ 50 kHz

    Output voltage

    Instantaneous ±4 V

    Supply voltage

    ±15 V (wide range ±12 V ~ ±15 V)

    Isolation voltage

    3.6 kVrms

    Operating temperature

    -10°C ~ 80°C

    Mounting

    Through hole, module package

    Weight

    approx. 60 g

     

    HAS500-S Main Features & Benefits

    Open-Loop Hall Effect – Best Balance of Performance & Cost

    Using mature and reliable open-loop Hall technology, the HAS500-S achieves ±1% accuracy with lower power consumption and competitive cost – the optimal balance for most industrial applications.

    Strong Electrical Isolation

    The housing is made of UL 94-V0 PBT insulation material, providing reliable galvanic isolation between primary and secondary circuits with an isolation voltage of 3.6 kVrms. This ensures operator safety and protects downstream control circuits – even under harsh grid conditions with up to 30% harmonic distortion, the sensor delivers a stable, accurate signal.

    DC & AC Measurement in One Sensor

    With a bandwidth of DC to 50 kHz, the sensor accurately measures both DC and AC currents, eliminating the need to change sensor solutions for different applications. Whether it is a DC bus current in a motor drive or the AC output of a VFD, the HAS500-S handles it with ease.

    Compact Design, Plug-and-Play

    The modular package and throughhole mounting with a well-planned pin layout allow direct soldering onto PCBs, greatly reducing wiring complexity and installation cost. The HAS500-S is also the optimal choice for space-constrained equipment designs.

     

    HAS500-S Applications

    The HAS500-S has proven its performance across many industries and is a popular choice for engineers during the selection phase.

    Application Area

    Typical Value

    AC variable speed drives

    Realtime motor current monitoring, energy optimisation, overcurrent protection

    DC motor drives

    Precise current feedback for improved control accuracy and response

    Photovoltaic inverters

    Monitor DC/AC side currents, improve conversion efficiency, help raise yield by up to 5.8%

    EV & charging stations

    Reduce current error below 0.5% in BMS systems, enhancing safety and battery life

    Uninterruptible Power Supplies (UPS)

    Realtime input/output current monitoring for critical loads

    Switched Mode Power Supplies (SMPS)

    Highfrequency current sampling for precise PWM control

    Welding equipment power supplies

    Withstand transient high-current surges, ensure consistent weld quality

     

    FAQ
    Q
    What is the advantage of MacroQuest?
    A
    Our advantage is that we not only low prices, but we more suited to you.
    Our Keywords is
    New and original parts
    Fast Delivery
    Instock & available
    Short Leadtime
    30-Days returns
    ISO9001 Certification
    1 Year Warranty 

    Q: I want to work with MacroQuest because of high quality. But I found your price too high and out of line with the prevailing market level, how should I do?
    A: MacroQuest has been devoted to offer a best price to our customers,if you want to buy it at a cheapper price. Please contact us directly to see if we can negotiate  a cheaper price rate. Or, send us an email with your T/P.
    Simon Hsu
    simon@mymacroquest.com
    Alice Wang
    alice@mymacroquest.com

    Q: Can MacroQuest offer NET terms?
    A: Yes we can. Please contact with your sales manager for more information.

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    -A:You have three ways to request a quote:
    1.Choose an item using a search box or browsing through product categories.Click on "Request Quote" button on the Product page.
    2.Click here for feedback on our web.
    3.If you have a BOM list or want to email us directly, please contact:
    Simon Hsu
    simon@mymacroquest.com
    Alice Wang
    alice@mymacroquest.com

    Q：Are all the parts new and original?
    -A:Yes, all parts are new and original checked by our quality control department.

    Q：How long is your warranty?
    -A:We offer a 1 year warranty for form fit and function for MacroQuest stock. 


    Q:  Can I use Credit Card/Debit Card payment for my orders on your website?
    -A:Yes, you can. you can pay on our company via Credit Card/Debit Card（Mastercard, Discover, Visa, American EXpress, Diners).

    Please select the first payment method-Paypal, then you will see Credit Card/Debit Card payment button in the lower right corner.



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    Review
    Wilder
    Mar 27, 2026
    reliable company good parts very efficient service
    Dennis
    Dec 09, 2025
    A pleasure to work with Good company.
    Margery
    Apr 29, 2025
    Great product,great price and on-time delivery.
    Danny
    Nov 29, 2023
    Very satisfied with quality Very fast and good quality
    Maxwell
    Jan 03, 2023
    Very satisfied with quality Very fast and good quality
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