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Hot Products

LT 1005-S/SP28 , LT1005-S/SP28

HOT OFFER// Authorized Distributor
  • MacroQuest Part#LT 1005-S/SP28
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
    • $380.78 - $553.46
    / Pieces
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    Pieces(Min. Order)
    1-9 Pieces $553.46
    10-49 Pieces $458.26
    50-99 Pieces $395.02
    100-499 Pieces $404.03
    >=500 Pieces $380.78
    Quantity:
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    Description FAQ Review
    Description

    LEM LT 1005-S/SP28 LT1005 Series Closed Loop Current Transducer

    LEM LT 1005-S/SP28 Product Overview

    The LT 1005-S/SP28 is a closed-loop Hall effect current transducer from LEM's LT1005 Series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary and secondary circuits. This panel-mount transducer features a 40.5 x 40.5 mm aperture for primary conductor crossing, a shield between primary and secondary, secondary connection via cable output, and reinforced mounting feet, making it specifically suitable for traction applications .

    Rated for 1000 A nominal with a measuring range of 2400 A, it outputs a secondary current of 200 mA at nominal with 0.5% accuracy . Response time is 1 µs and frequency bandwidth is DC to 150 kHz . Supply voltage range is ±15 V to ±24 V . Mass is 700 g and operating temperature ranges from -40°C to +85°C . The insulating plastic case is recognized according to UL 94-V0 .

     

    LEM LT 1005-S/SP28 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    1000 A

    Measuring range (IPM)

    2400 A

    Secondary nominal current (ISN)

    200 mA

    Supply voltage (VC)

    ±15 V to ±24 V

    Accuracy (X)

    0.5 %

    Linearity (EL)

    ±0.1 %

    Response time (tr)

    1 µs

    Bandwidth (BW)

    DC to 150 kHz

    Aperture

    40.5 x 40.5 mm

    Operating temp (TA)

    -40°C to +85°C

    Mass (m)

    700 g

    Mounting

    Panel (with reinforced feet)

    Secondary connection

    Cable output

    Shield

    Yes

    Case material

    UL 94-V0

    Applications

    Traction

     

    LEM LT 1005-S/SP28 Key Advantages

    The LT 1005-S/SP28 employs closed-loop Hall effect technology with an insulating plastic case recognized according to UL 94-V0, delivering 0.5% accuracy and ±0.1% linearity while providing galvanic isolation between primary and secondary circuits . The 40.5 x 40.5 mm aperture enables non-intrusive installation of primary conductors without disconnecting existing cables. The built-in shield provides enhanced immunity to external interference, critical for noisy traction environments . The 2400 A measuring range accommodates significant overload conditions, while the 1 µs response time and 150 kHz bandwidth capture dynamic current signals in traction applications . The extended -40°C to +85°C operating temperature range ensures reliable performance in harsh railway environments . The reinforced mounting feet and cable output simplify installation in demanding traction applications.

     

    LEM LT 1005-S/SP28 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 trackside equipment
    Overcurrent protection and fault detection in traction systems
    Circuit breakers for railway infrastructure

     

    Why Choose the LEM LT 1005-S/SP28?

    The LT 1005-S/SP28 combines a 1000 A rated current and 2400 A measuring range with a 200 mA closed-loop current output in a robust panel-mount package with 40.5 x 40.5 mm aperture, reinforced mounting feet, and cable output with built-in shield. 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 linearity with low temperature drift, while the built-in shield and cable output simplify installation and system integration . The extended operating temperature range 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
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    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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    Mar 23, 2026
    Very good supplier
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    Oct 30, 2025
    The quality is very good, which is beyond my expectation.
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    Good and reliable, several deals over many years without any problem
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    Reliable company!
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    Good company and fast payment
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