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Hot Products

ART-B22-D125/SP25 3m, SMA , ART-B22-D125/SP253m,SMA

Second. Nominal Signal[Instantaneous:Voltage V]
  • MacroQuest Part#ART-B22-D125/SP25 3m, SMA
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
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    Description FAQ Review
    Description

    LEM ART-B22-D125/SP25 3m, SMA Rogowski Coil Current Transducer

    LEM ART-B22-D125/SP25 3m, SMA Product Overview

    The ART-B22-D125/SP25 3m, SMA is a Rogowski coil current transducer from LEM's ART series, designed for the electronic measurement of AC currents with galvanic isolation between the primary and secondary circuits. This variant features a flexible split-core design with a 125 mm aperture, a 3 m output cable, and an SMA crimp plug connector.

    Rated for 1000 A nominal with a 10 A to 10000 A measuring range, it outputs 22.5 mV/kA at 50 Hz with 0.5% accuracy according to IEC 61869 Class 0.5. The sensor is self-powered and operates at 50/60 Hz, with bandwidth extending up to 420 kHz. Mass is 130 g and operating temperature is -40°C to +80°C. Rated insulation voltage is 1 kV CATIII with IP57 protection.

     

    LEM ART-B22-D125/SP25 3m, SMA Key Specifications

    Parameter

    Value

    Rated current (IPN)

    1000 A RMS

    Measuring range

    10 ... 10000 A

    Output signal

    22.5 mV/kA @ 50Hz

    Accuracy (XG)

    ±0.5 % (Class 0.5 per IEC 61869)

    Frequency

    50/60 Hz

    Bandwidth

    Up to 420 kHz

    Supply voltage

    Self-powered

    Insulation (Vd)

    1 kV CATIII

    Aperture

    125 mm

    Protection rating

    IP57

    Operating temp (TA)

    -40°C to +80°C

    Mass (m)

    130 g

    Mounting

    Free hanging / Split-core, flexible coil

    Cable length

    3 m

    Connector

    SMA crimp plug

     

    LEM ART-B22-D125/SP25 3m, SMA Key Advantages

    The ART-B22-D125/SP25 employs Rogowski coil technology with patented Perfect Loop Technology, delivering 0.5% accuracy with excellent linearity, no saturation, and no upper current limit, independent of primary conductor position. The internal shield improves measurement accuracy at low primary currents. The flexible split-core design enables quick and easy installation on existing busbars without system interruption. The 1 kV CATIII insulation ensures safety in industrial and smart grid environments. The sensor requires an external integrator such as the AI-PMUL for signal conditioning. This variant is distinguished by its 3 m output cable with SMA connector, designed for applications requiring remote signal transmission.

     

    LEM ART-B22-D125/SP25 3m, SMA Typical Applications

    Secondary distribution substations
    Distribution transformer monitoring
    Phasor Measurement Units (PMU) and Remote Terminal Units (RTU)
    Power metering and sub-metering
    Energy efficiency monitoring and demand response
    Power quality monitoring and fault detection
    Commercial and industrial buildings

     

    Why Choose the LEM ART-B22-D125/SP25 3m, SMA?

    The ART-B22-D125/SP25 combines 0.5% accuracy, 10 A to 10000 A measuring range, flexible split-core design, and IP57 protection in a lightweight, compact package. Manufactured by LEM, it delivers stable, accurate, and safe AC current measurement for smart grid and industrial applications. This variant offers 125 mm aperture, 3 m cable with SMA connector for flexible installation, compliant with IEC 61869 standards for Class 0.5 accuracy.

     

    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
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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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    Ricarda
    Mar 16, 2026
    We have done several orders and all come in prisitine condition as stated.
    Loretta
    Aug 27, 2025
    Good company and good parts
    Quentin
    Apr 18, 2025
    In excellent condition , well packed from the supplier.
    Elysa
    Sep 10, 2024
    Highly professional company
    Marico
    Mar 15, 2024
    I did business with Alice 6 times till now ,each time Orders always goes smoothly and in time. we will do more business with this good company.
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