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Hot Products

HSNBV 800-R02 , HSNBV800-R02

Second. Nominal Signal[Instantaneous:Voltage 0-5V]
  • MacroQuest Part#MQ-HSNBV 800-R02
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
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    Description FAQ Review
    Description

    LEM HSNBV 800-R02 HSNBV Series Open Loop Hall Effect Current Transducer

     

    LEM HSNBV 800-R02 Product Overview

    The HSNBV 800-R02 is an open-loop Hall effect current transducer from LEM's HSNBV Series, designed for the electronic measurement of DC, AC, or pulsed currents with galvanic separation between the primary circuit (high power) and the secondary circuit (electronic circuit). This compact panel-mount transducer features an integrated busbar and dual redundant output channels, making it suitable for high-power, low-voltage automotive applications such as Battery Management Systems (BMS), electric and hybrid vehicles, and 48 V battery systems.

    Rated for 800 A nominal with a measuring range of ±800 A, it outputs a ratiometric analog voltage of 0-5 V with ±3% accuracy, ±0.5% linearity, and a sensitivity of 2.5 mV/A. Frequency bandwidth is DC to 1.1 kHz and delay time to 70% final output value is 10 ms. Supply voltage range is 4.75 V to 5.25 V with a maximum current consumption of 20 mA. Mass is 49 g and operating temperature ranges from -40°C to +125°C. The device is designed for chassis or panel mounting with unidirectional polarization.

     

    LEM HSNBV 800-R02 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    800 A

    Measuring range (IPM)

    ±800 A

    Output signal

    0-5 V (ratiometric voltage)

    Sensitivity (Output 1)

    2.5 mV/A

    Supply voltage (VC)

    4.75 V to 5.25 V

    Accuracy (X)

    ±3 %

    Linearity (εL)

    ±0.5 %

    Delay time to 70% (tD70)

    10 ms

    Bandwidth (BW)

    DC to 1.1 kHz

    Insulation test voltage (Vd)

    2.5 kV RMS / 50 Hz / 1 min

    Operating temp (TA)

    -40°C to +125°C

    Mass (m)

    49 g

    Mounting

    Chassis / Panel

    Polarization

    Unidirectional

    Technology

    Open-loop Hall effect

    Applications

    Automotive Battery Management

     

    LEM HSNBV 800-R02 Key Advantages

    The HSNBV 800-R02 employs open-loop Hall effect technology with an integrated busbar, providing galvanic separation between primary and secondary circuits for safe integration into automotive systems. A key differentiator of the R02 variant is the dual redundant output channels, offering system-level fault tolerance and safety for critical automotive functions. The ratiometric output ensures the sensor's sensitivity and offset scale proportionally with the supply voltage, maintaining accuracy across variations. The integrated busbar design reduces sensor size and weight while maintaining performance comparable to traditional C-core sensors. The wide -40°C to +125°C operating temperature range ensures reliable performance in harsh automotive environments.

     

    LEM HSNBV 800-R02 Typical Applications

    Battery Management Systems for automotive applications
    Electric, hybrid, and utility vehicles
    48 V battery systems
    High-power, low-voltage automotive power electronics
    Battery monitoring and protection systems
    Power distribution units
    Automotive battery pack current monitoring

     

    Why Choose the LEM HSNBV 800-R02?

    The HSNBV 800-R02 combines an 800 A rated current with a 0-5 V ratiometric output and dual redundant output channels in a compact panel-mount package with an integrated busbar. Manufactured by LEM, it delivers stable, accurate, and safe current measurement specifically for automotive battery management applications. The open-loop Hall effect design offers a cost-effective solution with excellent linearity, very low thermal offset and sensitivity drift, and an integrated busbar that simplifies system integration, reduces weight, and minimizes space requirements. Compliance with automotive-grade operating temperature range ensures reliable performance in demanding automotive environments. The part is Active with a 10-week lead time.

     

    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
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    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
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    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. 


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    Winslow
    Jan 19, 2026
    This company has established a reputation for honesty and integrity, making it a pleasure to do business with them.
    Dan
    Apr 11, 2025
    Good guys, very helpfull
    Yale
    Jan 13, 2025
    Every detail on this package is amazing and every detail is beyond perfection! Very satisfied.
    Katy
    May 29, 2024
    Very good company, used twice, parts in perfect conditions.
    Victoria
    Jun 07, 2023
    Great company ! Very professional and parts always come new & original. Special thanks to Elsa !
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