Littelfuse® POWR-GARD® KLSR020 Current Limiting High Speed North American Style Fast Acting Fuse, 20 A, 600 V AC/250 V DC, 200/20 kA Interrupt, RK1 Class, Cartridge Body
KLSR series RK1 fuses were the earliest type of current limiting fuse developed. Their single element, silver link design enables them to provide fast acting overload and short circuit protection. When used to protect inductive loads such as motors, solenoids and transformers, KLSR series fuses must be greatly oversized to prevent opening the fuses on harmless inrush currents. In such applications, KLSR series fuses may only provide short circuit protection.
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BrandLittelfuse®
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UPC079458290714
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Manufacturer Part NumberKLSR020
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CountryUSA|Canada
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Terminal TypeFerrule
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MaterialComposite
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ClassRK1
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Frequency Rating50/60 Hz
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Rejection/Non-RejectionRejection
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TypeCurrent Limiting High Speed North American Style
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Mounting TypeHolder
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Voltage Rating600 V AC/250 V DC
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Amperage Rating20 A
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SeriesKLSR
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Indicating/Non-IndicatingNon-Indicating
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Interrupt Rating200/20 kA
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Body Size13/16 in Dia x 5 in L
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Body TypeCartridge
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ElementSingle
- Extremely current limiting - stops damaging short circuit current faster than any mechanical protective device
- Fast-acting - provides fast-acting protection to equipment such as variable speed drives, rectifiers and other equipment containing surge-sensitive components
- Reliable interruption of all over currents upto 200000 A
- Longer equipment life - current limiting design reduces damage to equipment caused by heating and magnetic effects of short circuit currents
- Often permits use of readily available, less costly equipment
- 200 kA at 600 VAC, 20 kA at 250 VDC interrupting rating
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Alternative Part NumberKLSR020.T|8582201
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UNSPSC39121609
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IDEA Index ID8582201
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Package DescriptionEACH
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Standards/ApprovalsUL 248-12 File No. E81895|CSA File No. LR29862|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® KLSR020 Current Limiting High Speed North American Style Fast Acting Fuse, 20 A, 600 V AC/250 V DC, 200/20 kA Interrupt, RK1 Class, Cartridge Body
KLSR series RK1 fuses were the earliest type of current limiting fuse developed. Their single element, silver link design enables them to provide fast acting overload and short circuit protection. When used to protect inductive loads such as motors, solenoids and transformers, KLSR series fuses must be greatly oversized to prevent opening the fuses on harmless inrush currents. In such applications, KLSR series fuses may only provide short circuit protection.
Southwire® Romex® SIMpull® 63947655 Type NM-B Non-Metallic Sheathed Cable With Ground Wire, Coil Packaging, 600 V AC, (3) 12 AWG Solid Copper Conductor, 250 ft L, Yellow
Southwire® Romex® Brand SIMpull ® NM-B (nonmetallic-sheathed) cable may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90C (with ampacity limited to that for 60C conductors) as specified in the National Electrical Code. NM-B cable is primarily used in residential wiring as branch circuits for outlets, switches, and other loads. NM-B cable may be run in air voids of masonry block or tile walls where such walls are not wet or damp locations. Voltage rating for NM-B cable is 600 volts.
Double-rowed spherical roller bearings are the workhorse of the industry. Their barrel shaped rollers and spherical outer ring raceway permits this bearing to operate with misalignment with no reduction in bearing life. Spherical roller bearings are used mostly in heavy duty industrial applications where extreme radial loads exist. They also excel in handling axial loads in either direction, contaminated environments, misalignment, shock loads and vibration. Nachi Sphericals are manufactured in a number of design and material configurations depending upon the type of application and the size of the bearing. Most come standard with a lubrication groove and holes (W33) on the OD of the outer ring. Symmetrical or Asymmetrical (A) rollers may be used with stamped steel or machined brass cages. The "EX" design uses larger diameter rollers for the highest load ratings. All bearings are heat stabilized to at least 200 deg C (about 400 deg F). Some sizes may be available with tapered bores (K). Depending upon design, stamped steel or machined brass cages are used. Commonly used in gearboxes, wind turbines, pumps, mining/construction, marine propulsion and drilling equipment.
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