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170M4397 Eaton Bussmann 1000V 630A Class aR High Speed Fuse
170M4397 Eaton Bussmann 1000V 630A Class aR High Speed Fuse

170M4397 Eaton Bussmann 1000V 630A Class aR High Speed Fuse

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Eaton Bussmann 170M4397 — 1000V 630A Class aR high speed fuse, 100 kAIC interrupting. Protects semiconductors in drives, rectifiers and inverters.
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    EatonFuseBussmannLow Voltage FusesClass aRSemiconductor Protection1000 V (IEC), 1300 V (UL)
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    170M4397 Eaton Bussmann 1000V 630A Class aR High Speed Fuse

    At a Glance
    • 1000 V (IEC), 1300 V (UL) rated voltage, 630 A rated current
    • 100 kAIC interrupting rating
    • Class aR time-current characteristic
    • Centre fuse status indicator

    The Eaton Bussmann 170M4397 is a square body fuse with 1000 V (IEC), 1300 V (UL) rated voltage, 630 A rated current, 100 kAIC interrupting capacity, carrying a Class aR time-current characteristic. Construction is centre fuse status indicator.

    Specifications

    General specifications
    EAN5027590452564
    UPC051712258661
    Product Length/Depth73 mm
    Product Height52 mm
    Product Width170 mm
    Product Weight284 g
    Electrical data
    Amperage Rating630 A
    ClassClass aR
    Clearing (I2T)660000 at 1000 V
    Interrupt rating100 kAIC
    Pre arc (I2T)130000
    Voltage rating1000 V (IEC), 1300 V (UL)
    Watt losses100 W
    Product specifications
    ApplicationSemiconductor, DC Common bus, DC drives, power converters/rectifiers
    Fitted with:Type K Indicator for micro
    Fuse indicatorCentre fuse status indicator
    Fuse size1
    Fuse typeFlush end BKN/75 Type K Indicator for Micro

    Series Selection Table

    170M4397 series selection table
    Ampere ratings, dimensions and catalog numbers across the Square Body Fuse family, reproduced from the Eaton Bussmann datasheet.

    Applications

    • Industrial equipment

    Selection Notes

    • Check the voltage rating against the system voltage, and the interrupting rating against the available fault current, before specifying.

    Common Questions

    What are the ratings of the Eaton Bussmann 170M4397?
    1000 V (IEC), 1300 V (UL) / 630 A, with a 100 kAIC interrupting rating.
    How much fault current can the 170M4397 interrupt?
    100 kAIC. The available fault current at the installation point must not exceed this value.
    What does Class aR mean for the 170M4397?
    Class aR defines the fuse's time-current characteristic. E-rated fuses carry a defined melting curve so they coordinate predictably with upstream and downstream devices; mixing E and non-E ratings in one feeder defeats that coordination.
    How should I select the 170M4397 for a circuit?
    Match the voltage rating to the system voltage, keep the continuous current above the load current, and check that the interrupting rating exceeds the available fault current. In medium voltage work, select on the transformer or feeder fault level rather than the load current alone.

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