Littelfuse® POWR-GARD® KLKR004 High Speed North American Style Fast Acting Fuse, 4 A, 600 V AC/300 V DC, 20/200 kA Interrupt, CC Class, Cartridge Body
KLKR series Class CC fuses are fast acting fuses intended for general purpose branch circuit protection. Their compact size, fast acting overload response and their highly current limiting design make them ideal for use in OEM equipment and control panels because solid state devices such as SCRs and other electronic equipment generally require fast acting protection.
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BrandLittelfuse®
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UPC079458260533
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Manufacturer Part NumberKLKR004
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CountryUSA|Canada
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Terminal TypeFerrule
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MaterialMelamine
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ClassCC
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Rejection/Non-RejectionRejection
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Response Time12 s
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TypeHigh Speed North American Style
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Mounting TypeHolder
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Voltage Rating600 V AC/300 V DC
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Amperage Rating4 A
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SeriesKLKR
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Indicating/Non-IndicatingNon-Indicating
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Interrupt Rating20/200 kA
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Body Size13/32 in Dia x 1-1/2 in L
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Body TypeCartridge
- Rejection feature prevents use of fuses with lower interrupting ratings or voltage ratings when used with corresponding fuse holders
- Extremely current limiting reduces damage caused by heating and magnetic effects of short circuit currents
- Provide superior protection in a fraction of the space required by other fuse classes
- 200 kA at 600 VAC, 20 kA at 300 VDC interrupting rating
- Nickel plated bronze cap
- 12 s minimum and 4 min maximum at 200%, 1 hr maximum at 135%, 15 min minimum at 110%
| Competitor Name | Cross-Reference Number |
|---|---|
| Grainger | 486M68 |
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Alternative Part NumberKLKR004.T|8581584
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UNSPSC39121627
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IDEA Index ID8581584
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Package Description10/BX
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Standards/ApprovalsUL 248-8|CSA 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® KLKR004 High Speed North American Style Fast Acting Fuse, 4 A, 600 V AC/300 V DC, 20/200 kA Interrupt, CC Class, Cartridge Body
KLKR series Class CC fuses are fast acting fuses intended for general purpose branch circuit protection. Their compact size, fast acting overload response and their highly current limiting design make them ideal for use in OEM equipment and control panels because solid state devices such as SCRs and other electronic equipment generally require fast acting protection.
Edison offers a complete line of Class CC fuses to meet your circuit and equipment protection needs. These branch circuit rated compact fuses rated 600v, and delivering 200,000a IR Vac Sym provide excellent protection in the smallest package of any UL class of fuses. Choose from our EDCC time-delay fuses for your small horsepower motor circuits, our HCLR fast-acting for your non-inductive lighting and resistance heating loads or our HCTR time-delay fuses for your small control transformer protection.
Edison offers a complete line of Class CC fuses to meet your circuit and equipment protection needs. These branch circuit rated compact fuses rated 600v, and delivering 200,000a IR Vac Sym provide excellent protection in the smallest package of any UL class of fuses. Choose from our EDCC time-delay fuses for your small horsepower motor circuits, our HCLR fast-acting for your non-inductive lighting and resistance heating loads or our HCTR time-delay fuses for your small control transformer protection.
Drillco 750A108 Spade Drill, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 2XD D Cutting, Solid Carbide
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Littelfuse® POWR-GARD® JLS400 High Speed Fast Acting Fuse, 400 A, 600 V AC, 200 kA Interrupt, J Class, Cartridge Body
JLS series fuses provide space-saving, fast acting overload and short circuit protection for non-inductive loads. When used for motors or other inductive loads, the ampere rating of JLS series fuses must be increased to prevent nuisance opening on inrush currents. In such applications, JLS fuses may provide only short circuit protection.
Each heater is identified by a catalog number stamped on one terminal. The heater application table indicates the range of full load motor current to which a given heater may be applied. Heaters should be selected on the basis of the actual full load current and service factor as shown on the motor nameplate or in the manufacturer's published literature. When motor and overload relay are in the same ambient and the service factor of the motor is 1.15 to 1.25, select heaters from the heater application table. If the service factor of the motor is 1 or there is no service factor shown or a maximum of 115% protection is desired, select one size smaller heater than indicated.

