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LT 1005-T/SP4 , LT1005-T/SP4

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  • MacroQuest Part#LT 1005-T/SP4
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
  • $333.81 - $457.27
    / Pieces
    |
    Pieces(Min. Order)
    1-9 Pieces $457.27
    10-49 Pieces $378.62
    50-99 Pieces $362.62
    >=100 Pieces $333.81
    Quantity:
    $333.81
    (0 In Stock)
    $333.81
    LT: 6-8 weeks
    (501 In Stock)
    $0.00
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    Description FAQ Review
    Description

    LEM LT 1005-T/SP4 LT Traction Series Closed Loop Current Transducer

    LEM LT 1005-T/SP4 Product Overview

    The LT 1005-T/SP4 is a closed-loop Hall effect current transducer from LEM's LT Traction Series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary circuit and the secondary circuit. This panel-mount transducer features an integrated busbar and is specifically designed for railway traction applications.

    Rated for 1000 A nominal with a measuring range of ±2000 A, it outputs a secondary current of 250 mA at nominal with 0.4% accuracy and <0.1% linearity. The conversion ratio is 1:4000. Response time is <1 µs and frequency bandwidth is DC to 150 kHz. Supply voltage range is ±15 V to ±24 V. Mass is 1.2 kg and operating temperature ranges from -40°C to +85°C. Insulation test voltage is 12 kV RMS at 50 Hz for 1 minute. The device meets EN 50155 railway standards.

     

    LEM LT 1005-T/SP4 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    1000 A

    Measuring range (IPM)

    ±2000 A

    Secondary nominal current (ISN)

    250 mA

    Conversion ratio (KN)

    1:4000

    Supply voltage (VC)

    ±15 V to ±24 V

    Accuracy (XG) @ IPN, 25°C

    ±0.4 %

    Linearity (EL)

    < 0.1 %

    Response time (tr) @ 90% of IPN

    < 1 µs

    Bandwidth (BW)

    DC to 150 kHz

    Insulation test voltage (Vd)

    12 kV RMS / 50 Hz / 1 min

    Operating temp (TA)

    -40°C to +85°C

    Mass (m)

    1.2 kg

    Mounting

    Panel

    Secondary connection

    M4 threaded studs

    Case material

    UL 94-V0

    Standards

    EN 50155

     

    LEM LT 1005-T/SP4 Key Advantages

    The LT 1005-T/SP4 employs closed-loop Hall effect technology with an insulating plastic case recognized according to UL 94-V0, delivering 0.4% accuracy and <0.1% linearity while providing galvanic isolation between primary and secondary circuits. The integrated busbar simplifies installation and ensures reliable primary connections. The ±2000 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 wide -40°C to +85°C operating temperature range ensures reliable performance in harsh railway environments. The 12 kV RMS insulation ensures safe operation and protection for downstream equipment. The design offers excellent accuracy, very good linearity, low temperature drift, optimized response time, high immunity to external interference, and no insertion losses. Secondary connections are made via M4 threaded studs for secure and reliable wiring. The device is potted for enhanced environmental protection.

     

    LEM LT 1005-T/SP4 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-T/SP4?

    The LT 1005-T/SP4 combines a 1000 A rated current and ±2000 A measuring range with a 250 mA closed-loop current output in a robust panel-mount package with an integrated busbar. 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 integrated busbar simplifies 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.

     

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    Xenia
    Jan 26, 2026
    Great vendor, fast shipment excellent parts !
    Ines
    Jun 07, 2025
    Great value for money!!new and original.
    Marvin
    Sep 20, 2024
    smooth order handling! Thanks
    Tania
    Jun 14, 2024
    I am very satisfied, good
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    May 25, 2024
    Good Company&Business Partner
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