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    Products & Press Releases

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    Electrical Systems

    Littelfuse's POWR-SPEED PSR Series features square-body fuses

    April 17, 2018
    Littelfuse, Inc. expands its line of high-speed fuses for protection of power semiconductor devices used in industrial equipment.
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    Electrical Systems

    Littelfuse's AF0100 arc-flash protection relay includes two internal trip paths for greater reliability

    April 19, 2017
    Now available from Littelfuse, Inc. is the AF0100, a compact, cost-effective arc-flash protection relay sized to fit tight footprints and budgets.
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    Arc Flash

    Littelfuse Arc-Flash Relay delivers design flexibility for arc-flash protection

    April 8, 2015
    Littelfuse, Inc., the global leader in circuit protection, announces the AF0500 Arc-Flash Relay, which delivers arc-flash protection in a flexible design with unlimited scalability...