KLC Series - 600 Vac - Traditional Semiconductor Fuse

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Designed to protect today’s equipment and systems, Littelfuse semiconductor fuses are manufactured with Littelfuse-developed technology that sets tomorrow’s standards for accuracy, consistent quality, reliability, and predictable performance. By using advanced metallurgical, polymer, and materials research; mathematical modeling, and computerized statistical analysis; Littelfuse engineers have redefined “State-of-the-Art.”

Applications
Designed specifically for supplementary protection of semiconducting devices such as silicon controlled rectifiers (SCR’s), diodes, thyristors, triacs, transistors, and similar solid-state devices. These devices are used in power equipment including variable speed drives, power rectifiers, UPS systems, DC power supplies, and in a wide range of electronic equipment. May be used wherever extremely fast-acting, current-limiting fuses with no time delay are required.

Safety
  • 200,000 A.I.R. — Reliable interruption of all overcurrents up to 200,000 amperes . . . meets present and future system requirements. (Note: L15S series has 100,000 A.I.R.)
  • Extremely Current Limiting — Low I2t and peak let-through currents meet most semiconductor requirements.UL Recognized — Littelfuse semiconductor fuses are recognized under the components program of Underwriters Laboratories, Inc., and carry the mark. UL Recognized semiconductor fuses may be used to provide supplementary protection in UL listed equipment.
Safety
  • 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.

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Interrupting RatingOpeningStockSamplesCompare
KLC0011600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0022600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0033600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0044600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0055600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0066600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0077600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC0088600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC01010600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC01212600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC01515600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC02020600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC02525600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC03030600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC03535600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC04040600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC04545600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC05050600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC06060600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC07070600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC08080600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC09090600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC100100600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC110110600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC125125600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC150150600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC17.517.5600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC175175600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC200200600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC225225600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC250250600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC300300600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC350350600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC400400600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC450450600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC500500600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC600600600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC700700600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
KLC800800600200 kA @ 600 VacVery Fast-Acting (FF)CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
0KLC001.T FUS 600V SEMICONDUCTOR 1A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC002.T FUS 600V SEMICONDUCTOR 2A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC003.T FUS 600V SEMICONDUCTOR 3A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC004.T FUS 600V SEMICONDUCTOR 4A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC005.T FUS 600V SEMICONDUCTOR 5A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC006.T FUS 600V SEMICONDUCTOR 6A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC007.T FUS 600V SEMICONDUCTOR 7A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC008.T FUS 600V SEMICONDUCTOR 8A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC010.T FUS 600V SEMICONDUCTOR 10A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC012.T FUS 600V SEMICONDUCTOR 12A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC015.T FUS 600V SEMICONDUCTOR 15A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC020.T FUS 600V SEMICONDUCTOR 20A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC025.T FUS 600V SEMICONDUCTOR 25A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC030.T FUS 600V SEMICONDUCTOR 30A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC035.T FUS 600V SEMICONDUCTOR 35A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC040.T FUS 600V SEMICONDUCTOR 40A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC045.T FUS 600V SEMICONDUCTOR 45A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC050.T FUS 600V SEMICONDUCTOR 50A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC060.T FUS 600V SEMICONDUCTOR 60A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC070.V FUS 600V SEMICONDUCTOR 70A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC080.V FUS 600V SEMICONDUCTOR 80A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC090.V FUS 600V SEMICONDUCTOR 90A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC100.V FUS 600V SEMICONDUCTOR 100A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC110.X FUS 600V SEMICONDUCTOR 110A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC125.X FUS 600V SEMICONDUCTOR 125A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC150.X FUS 600V SEMICONDUCTOR 150A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC17.5T FUS 600V SEMICONDUCTOR 17.5A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC175.X FUS 600V SEMICONDUCTOR 175A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC200.X FUS 600V SEMICONDUCTOR 200A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC225.X FUS 600V SEMICONDUCTOR 225A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC250.X FUS 600V SEMICONDUCTOR 250A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC300.X FUS 600V SEMICONDUCTOR 300A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC350.X FUS 600V SEMICONDUCTOR 350A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC400.X FUS 600V SEMICONDUCTOR 400A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC450.X FUS 600V SEMICONDUCTOR 450A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC500.X FUS 600V SEMICONDUCTOR 500A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC600.X FUS 600V SEMICONDUCTOR 600A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC700.X FUS 600V SEMICONDUCTOR 700A RoHS No 12/28/2006 PbFree No 12/28/2006
0KLC800.X FUS 600V SEMICONDUCTOR 800A RoHS No 12/28/2006 PbFree No 12/28/2006
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