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Fuses
  • A4BY400

    QUANTITY: 17

    Mersen A4BY Series

    Amp-Trap A4BY fuses have been the industry's favorite when it comes to protecting service entrance equipment, feeder circuits, and circuit breakers. The A4BY is a 100percent rated device and may be applied at continuous currents up to its ampere rating. A 4-second minimum time delay at 500percent rating allows the A4BY to pass normal current surges and to coordinate with ground fault relays.

    Other Names: A4BY400, A4BY 400 Amp, A4BY-400, A4BY 400A, A4BY400A, A4BY-400A, A4BY 400

    Manufacturer Mersen
    Ampere 400 A
    Voltage Rating 600VAC, 300VDC
    Interrupt Rating 200kA.I.R. AC, 100kA I.R. DC
    Speed Time Delay
    Class Class L
    Datasheet Product Specifications
    Item Weight 2.75 lb
    Other names A4BY400, A4BY 400 Amp, A4BY-400, A4BY 400A, A4BY400A, A4BY-400A, A4BY 400

    Witonics is not an authorized distributor of Bussmann, Eaton, Littelfuse, Mersen, or Ferraz Shawmut products.