Littelfuse® POWR-GARD® L50S550 High Speed Traditional Very Fast Acting Semiconductor Fuse, 550 A, 500 V AC/450 V DC, 20/200 kA Interrupt, Cartridge/Round Body
Littelfuse® L50S series high speed fuses are designed to protect today's equipment and systems and are manufactured with Littelfuse® developed technology that sets tomorrow's standards for accuracy, consistent quality, reliability and predictable performance. Littelfuse® engineers have redefined high speed fuse technology by using advanced metallurgical, polymer and materials research, mathematical modeling and computerized statistical analysis.
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BrandLittelfuse®
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UPC079458855500
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Manufacturer Part NumberL50S550
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CountryUSA
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Terminal TypeBlade
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MaterialFiberglass
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TypeHigh Speed Traditional Very Fast Acting
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Mounting TypeBolt
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Voltage Rating500 V AC/450 V DC
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Amperage Rating550 A
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SeriesL50S
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Interrupt Rating20/200 kA
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Body Size2 in Dia x 4-15/32 in L
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Body TypeCartridge/Round
- Reliable interruption of all overcurrents meets present and future system requirements
- Extremely current limiting - low i2t and peak let-through currents meet most semiconductor requirements
- Low watt losses - means less heating and power consumption in circuit
- Controlled transient overvoltages - all circuits are subject to transient overvoltages during fault current interruption
- These transient overvoltages (arc voltages) start when fuse links melt or circuit breaker contacts part and subside when circuit is interrupted
- Semiconductors are very sensitive to overvoltages
- Littelfuse® semiconductor fuse designs keep transient overvoltages to low levels and help reduce semiconductor failure
- May be used wherever extremely fast acting, current limiting fuses with no time delay are required
- 100 kA RMS, 20 kA interrupt rating
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Alternative Part NumberL50S550.X|8593805
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UNSPSC39121628
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IDEA Index ID8593805
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Package DescriptionEACH
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Standards/ApprovalsUL File No. E71611 Recognized|CSA File No. LR29862|CE Certified|PROP65: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer
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Specification Sheet
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Owners/User Manual
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Full Engineering Drawing
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Technical Bulletin
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Littelfuse® POWR-GARD® L50S550 High Speed Traditional Very Fast Acting Semiconductor Fuse, 550 A, 500 V AC/450 V DC, 20/200 kA Interrupt, Cartridge/Round Body
Littelfuse® L50S series high speed fuses are designed to protect today's equipment and systems and are manufactured with Littelfuse® developed technology that sets tomorrow's standards for accuracy, consistent quality, reliability and predictable performance. Littelfuse® engineers have redefined high speed fuse technology by using advanced metallurgical, polymer and materials research, mathematical modeling and computerized statistical analysis.
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