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Hot Products

LTC 1000-SF/SP26 , LTC1000-SF/SP26

HOT OFFER// Authorized Distributor
  • MacroQuest Part#LTC 1000-SF/SP26
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
    • $282.28 - $386.69
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    10-99 Pieces $320.18
    >=100 Pieces $282.28
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    Description FAQ Review
    Description

    LEM LTC 1000-SF/SP26 LTC Series Closed Loop Current Transducer

    LEM LTC 1000-SF/SP26 Product Overview

    The LTC 1000-SF/SP26 is a closed-loop Hall effect current transducer from LEM's LTC Series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary circuit and the secondary circuit . This modular panel-mount transducer features an integral aperture for primary conductor installation and is specifically designed for railway traction applications .

    Rated for 1300 A nominal with a measuring range of 0 to ±3000 A, it outputs a secondary current of 325 mA at nominal with ±0.8% accuracy and <0.1% linearity . Response time is less than 1 µs and frequency bandwidth is DC to 100 kHz . Supply voltage range is ±15 to ±24 V DC . Mass is 825 g and operating temperature ranges from -40°C to +70°C . The device meets EN 50155 railway standards .

     

    LEM LTC 1000-SF/SP26 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    1300 A 

    Measuring range (IPM)

    0 to ±3000 A 

    Secondary nominal current (ISN)

    325 mA 

    Turns ratio (NP/NS)

    1:4000 

    Supply voltage (VC)

    ±15 to ±24 V DC 

    Accuracy (X)

    ±0.8 % 

    Linearity (EL)

    < 0.1 % 

    Response time (tr)

    < 1 µs 

    Bandwidth (BW)

    DC to 100 kHz 

    Aperture

    Integral (42 mm) 

    Operating temp (TA)

    -40°C to +70°C 

    Mass (m)

    825 g 

    Mounting

    Panel 

    Secondary connection

    Molex Mini-Fit.Jr. connector 

    Standards

    EN 50155 

     

    LEM LTC 1000-SF/SP26 Key Advantages

    The LTC 1000-SF/SP26 employs closed-loop Hall effect technology with an insulating plastic case recognized according to UL 94-V0, delivering excellent accuracy and very good linearity while providing galvanic isolation between primary and secondary circuits . The integral aperture enables non-intrusive installation of primary conductors without disconnecting existing cables . The ±3000 A measuring range accommodates significant overload conditions, while the <1 µs response time and 100 kHz bandwidth capture dynamic current signals in traction applications. The wide -40°C to +70°C operating temperature range ensures reliable performance in harsh railway environments. The Molex Mini-Fit.Jr. connector provides a secure secondary connection interface . A standard shield provides immunity to external interference, and the modular design supports flexible mounting options .

     

    LEM LTC 1000-SF/SP26 Typical Applications

    Single or three phase inverters for railway traction
    Propulsion and braking choppers
    Propulsion converters for trains and locomotives
    Auxiliary converters for onboard power supply
    Battery chargers for railway rolling stock
    Railway fixed installations and substations
    Overcurrent protection and fault detection in traction systems
    Circuit breakers for railway infrastructure

     

    Why Choose the LEM LTC 1000-SF/SP26?

    The LTC 1000-SF/SP26 combines a 1300 A rated current and ±3000 A measuring range with a 325 mA closed-loop current output in a robust panel-mount package with an integral aperture and Molex Mini-Fit.Jr. connector. Manufactured by LEM, it delivers stable, accurate, and safe current measurement specifically for railway traction applications. The closed-loop Hall effect design provides exceptional accuracy and very good linearity, while the integral aperture and modular design simplify installation and system integration. Compliance with EN 50155 railway standards ensures reliable operation in demanding rail environments, making it an ideal choice for propulsion, braking, and auxiliary converter systems .

     

    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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    A: Yes we can. Please contact with your sales manager for more information.

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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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    Ernie
    Mar 09, 2026
    Good support, great Company, new and original.
    Xavier
    Feb 03, 2026
    Ordering was a very easy process in website. Delivery was fast
    Devin
    Dec 29, 2025
    Best service
    Upton
    Mar 23, 2025
    satisfied with the purchase
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    Dec 25, 2024
    Very satisfied all perfect
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