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Fuse Amp-Trap® 600V 801A Time-Delay Class L A4BY Series

SKU: #194889

Part: #A4BY801

UPC: 782001939120

Fuse Amp-Trap® 600V 801A Time-Delay Class L A4BY Series

SKU: #194889

Part: #A4BY801

UPC: 782001939120

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    Description

    Fuse Amp-Trap® 600V 801A Time-Delay Class L A4BY Series

    The Fuse Amp-Trap® A4BY Series is a Class L, 600V time-delay fuse designed for protection of mains feeders, circuit breakers, load centers, panelboards, switchboards, and metering centers. This fuse is rated for continuous current up to 801 amperes and features a 4-second minimum time delay at 500% rating, allowing it to withstand normal current surges and coordinate effectively with ground fault relays. It is suitable for electrical distributors and switchgear suppliers requiring reliable current-limiting protection in industrial and commercial electrical installations.

    Specifications

    • Amperage Rating: 801 A
    • Voltage Rating: 600 VAC / 300 VDC
    • Interrupt Rating: 200 kA
    • Fuse Class: Class L
    • Dimensions: Length 10.75 in, Width 2.5 in, Height 2.5 in
    • Diameter: 2.5 inches
    • Mounting Type: Bolted
    • Connection Type: Blade
    • Insulation Material: GMG
    • Product Weight: 4.28 lbs
    • Manufacturer: Mersen
    • Manufacturer Part Number: A4BY801

    Features

    • 100% rated for continuous current up to ampere rating
    • 4-second minimum time delay at 500% rating for surge tolerance and relay coordination
    • Current-limiting design enhances protection of service entrance equipment and feeder circuits
    • Glass melamine body with plated terminals for durability in harsh environments
    • Unique dimensions prevent interchangeability with other fuse classes
    • Blade stamped catalog numbers for permanent identification
    • UL and CSA listed for safety and performance compliance

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