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Hot Products

ATO-15-B333-D10

HOT OFFER// Authorized Distributor
  • MacroQuest Part#ATO-15-B333-D10
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
    • $34.29 - $58.69
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    600-1199 Pieces $38.57
    >=1200 Pieces $34.29
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    Description FAQ Review
    Description

    LEM ATO-15-B333-D10 ATO Series Split-Core Current Transformer


    15A Rated Current x 333mV Voltage Output — High-Accuracy AC Current Measurement for Smart Grid Applications

     

    LEM ATO-15-B333-D10 Product Overview

    The ATO-15-B333-D10 is a split-core current transformer from LEM's ATO Series, designed for the electronic measurement of AC waveform currents with galvanic isolation between the primary circuit (power) and the secondary circuit (measurement). This model features a voltage output of 333 mV at rated primary current, providing a calibrated and easy-to-interpret signal for monitoring systems.

    Rated for 15 A nominal with an extended measuring range of 18 A (120% of Ipr), it outputs a 333 mV voltage signal with 1% accuracy and 0.1% linearity. Response time is characterized by a 1.5 kHz bandwidth and phase displacement within ±1°. The transformer is self-powered, requiring no external supply voltage. Mass is approximately 81 g and operating temperature is -10°C to +55°C. Insulation test voltage complies with 600 V CAT III PD2 basic insulation requirements.

     

    LEM ATO-15-B333-D10 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    15 A

    Measuring range (IPM)

    18 A (extended)

    Output signal

    333 mV

    Transformation ratio

    45.05 A/V

    Supply voltage

    Self-powered

    Accuracy (XG)

    ±1%

    Linearity (EL)

    ±0.1%

    Frequency bandwidth (BW)

    1.5 kHz

    Phase displacement

    ±1°

    Insulation (Vd)

    600 V CAT III PD2

    Aperture

    10 mm

    Operating temp (TA)

    -10°C to +55°C

    Mass (m)

    81 g

    Mounting

    Chassis mount, split-core

     

    LEM ATO-15-B333-D10 Key Advantages

    The ATO-15-B333-D10 employs air-core technology, delivering 1% accuracy and 0.1% linearity while meeting stringent standards such as IEC 61869 for ratio error and phase displacement. The 18 A extended range provides headroom for overload conditions, while the 1.5 kHz bandwidth and ±1° phase displacement capture accurate power measurement data for active power calculations. The 10 mm aperture accommodates common insulated conductors and the split-core design enables non-intrusive installation without interrupting power supply. The 600 V CAT III insulation ensures safe operation in industrial distribution systems.

     

    LEM ATO-15-B333-D10 Typical Applications

    Hybrid inverter (Home Energy Storage)
    Power metering: current measurement for active power calculation
    Building sub-metering: energy efficiency monitoring, consumption analysis and cost allocation
    Power quality monitoring: electrical loads and distribution system equipment
    Distributed measurement systems
    Condition monitoring (e.g., motor loads such as conveyors, pumps)

     

    Why Choose the LEM ATO-15-B333-D10?

    The ATO-15-B333-D10 combines 15 A rated current, 333 mV voltage output, 1% accuracy, and self-powered operation in a compact split-core package with a 10 mm aperture. Manufactured by LEM, it delivers stable, accurate, and safe current measurement for industrial and smart grid applications. The self-powered voltage output offers easy integration with PLCs, SCADA systems, and energy meters without the need for auxiliary power supplies.

     

    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
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    Instock & available
    Short Leadtime
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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
    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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    3.If you have a BOM list or want to email us directly, please contact:
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    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. 


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    -A:Yes, you can. you can pay on our company via Credit Card/Debit Card（Mastercard, Discover, Visa, American EXpress, Diners).

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    Less
    Review
    Watt
    Apr 03, 2026
    Well done! I believe that we will have a long-term business relationship
    Harrison
    Nov 11, 2025
    the Parts are delivered super fast, carefully packaged, and trustworthy!
    West
    Apr 01, 2025
    Very good company ! Simon is the best best person!
    Hogan
    Dec 06, 2023
    Good company--quality parts
    Walter
    Aug 03, 2023
    Good company! good service. fast reply and fast shipment. Nicole is very professional.
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