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LLSRK Series
with Indication
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LLSRK001ID - Littelfuse LLSRK001ID - Littelfuse LSRK001.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:1

LLSRK001ID - Littelfuse LSRK001.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:1

Usually Ships in 3 to 5 Days
Price: $38.56
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LLSRK002ID - Littelfuse LLSRK002ID - Littelfuse LSRK002.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:2

LLSRK002ID - Littelfuse LSRK002.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:2

Usually Ships in 3 to 5 Days
Price: $36.73
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LLSRK003ID - Littelfuse LLSRK003ID - Littelfuse LSRK003.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:3

LLSRK003ID - Littelfuse LSRK003.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:3

Usually Ships in 3 to 5 Days
Price: $34.15
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LLSRK004ID - Littelfuse LLSRK004ID - Littelfuse LSRK004.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:4

LLSRK004ID - Littelfuse LSRK004.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:4

Usually Ships in 3 to 5 Days
Price: $34.15
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LLSRK005ID - Littelfuse LLSRK005ID - Littelfuse LSRK005.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:5

LLSRK005ID - Littelfuse LSRK005.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:5

Usually Ships in 3 to 5 Days
Price: $34.15
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LLSRK006ID - Littelfuse LLSRK006ID - Littelfuse LSRK006.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:6

LLSRK006ID - Littelfuse LSRK006.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:6

Usually Ships in 3 to 5 Days
Price: $34.15
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LLSRK007ID - Littelfuse LLSRK007ID - Littelfuse LSRK007.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:7

LLSRK007ID - Littelfuse LSRK007.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:7

Usually Ships in 3 to 5 Days
Price: $35.88
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LLSRK008ID - Littelfuse LLSRK008ID - Littelfuse LSRK008.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:8

LLSRK008ID - Littelfuse LSRK008.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:8

Usually Ships in 3 to 5 Days
Price: $34.15
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LLSRK009ID - Littelfuse LLSRK009ID - Littelfuse LSRK009.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:9

LLSRK009ID - Littelfuse LSRK009.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:9

Usually Ships in 3 to 5 Days
Price: $35.88
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LLSRK01.4ID - Littelfuse LLSRK01.4ID - Littelfuse LSRK01.4TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1-4/10

LLSRK01.4ID - Littelfuse LSRK01.4TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1-4/10

Usually Ships in 3 to 5 Days
Price: $47.03
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LLSRK01.6ID - Littelfuse LLSRK01.6ID - Littelfuse LSRK01.6TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1-6/10

LLSRK01.6ID - Littelfuse LSRK01.6TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1-6/10

Usually Ships in 3 to 5 Days
Price: $38.56
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LLSRK01.8ID - Littelfuse LLSRK01.8ID - Littelfuse LSRK01.8TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1-8/10

LLSRK01.8ID - Littelfuse LSRK01.8TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1-8/10

Usually Ships in 3 to 5 Days
Price: $43.71
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LLSRK010ID - Littelfuse LLSRK010ID - Littelfuse LSRK010.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:10

LLSRK010ID - Littelfuse LSRK010.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:10

Usually Ships in 3 to 5 Days
Price: $34.15
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LLSRK012ID - Littelfuse LLSRK012ID - Littelfuse LSRK012.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:12

LLSRK012ID - Littelfuse LSRK012.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:12

Usually Ships in 3 to 5 Days
Price: $34.17
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LLSRK015ID - Littelfuse LLSRK015ID - Littelfuse LSRK015.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:15

LLSRK015ID - Littelfuse LSRK015.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:15

Usually Ships in 3 to 5 Days
Price: $30.15
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LLSRK02.5ID - Littelfuse LLSRK02.5ID - Littelfuse LSRK02.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 2-1/2

LLSRK02.5ID - Littelfuse LSRK02.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 2-1/2

Usually Ships in 3 to 5 Days
Price: $38.56
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LLSRK02.8ID - Littelfuse LLSRK02.8ID - Littelfuse LSRK02.8TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 2-8/10

LLSRK02.8ID - Littelfuse LSRK02.8TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 2-8/10

Usually Ships in 3 to 5 Days
Price: $40.77
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LLSRK020ID - Littelfuse LLSRK020ID - Littelfuse LSRK020.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:20

LLSRK020ID - Littelfuse LSRK020.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:20

Usually Ships in 3 to 5 Days
Price: $30.15
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LLSRK025ID - Littelfuse LLSRK025ID - Littelfuse LSRK025.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:25

LLSRK025ID - Littelfuse LSRK025.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:25

Usually Ships in 3 to 5 Days
Price: $30.09
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LLSRK03.2ID - Littelfuse LLSRK03.2ID - Littelfuse LSRK03.2TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 3-2/10

LLSRK03.2ID - Littelfuse LSRK03.2TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 3-2/10

Usually Ships in 3 to 5 Days
Price: $35.88
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LLSRK03.5ID - Littelfuse LLSRK03.5ID - Littelfuse LSRK03.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 3-1/2

LLSRK03.5ID - Littelfuse LSRK03.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 3-1/2

Usually Ships in 3 to 5 Days
Price: $35.88
Free Shipping
LLSRK030ID - Littelfuse LLSRK030ID - Littelfuse LSRK030.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:30

LLSRK030ID - Littelfuse LSRK030.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:30

Usually Ships in 3 to 5 Days
Price: $30.09
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LLSRK035ID - Littelfuse LLSRK035ID - Littelfuse LSRK035.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:35

LLSRK035ID - Littelfuse LSRK035.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:35

Usually Ships in 3 to 5 Days
Price: $51.70
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LLSRK04.5ID - Littelfuse LLSRK04.5ID - Littelfuse LSRK04.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 4-1/2

LLSRK04.5ID - Littelfuse LSRK04.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 4-1/2

Usually Ships in 3 to 5 Days
Price: $38.56
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LLSRK040ID - Littelfuse LLSRK040ID - Littelfuse LSRK040.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:40

LLSRK040ID - Littelfuse LSRK040.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:40

Usually Ships in 3 to 5 Days
Price: $51.70
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LLSRK045ID - Littelfuse LLSRK045ID - Littelfuse LSRK045.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:45

LLSRK045ID - Littelfuse LSRK045.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:45

Usually Ships in 3 to 5 Days
Price: $51.70
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LLSRK05.6ID - Littelfuse LLSRK05.6ID - Littelfuse LSRK05.6TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 5-6/10

LLSRK05.6ID - Littelfuse LSRK05.6TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 5-6/10

Usually Ships in 3 to 5 Days
Price: $38.56
Free Shipping
LLSRK050ID - Littelfuse LLSRK050ID - Littelfuse LSRK050.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:50

LLSRK050ID - Littelfuse LSRK050.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:50

Usually Ships in 3 to 5 Days
Price: $51.70
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LLSRK060ID - Littelfuse LLSRK060ID - Littelfuse LSRK060.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:60

LLSRK060ID - Littelfuse LSRK060.TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:60

Usually Ships in 3 to 5 Days
Price: $51.70
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LLSRK07.5ID - Littelfuse LLSRK07.5ID - Littelfuse LSRK07.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 7-1/2

LLSRK07.5ID - Littelfuse LSRK07.5TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 7-1/2

Usually Ships in 3 to 5 Days
Price: $31.05
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LLSRK Series Fuses with Indication

The all-new LLSRK_ID series fuse is the most advanced Class RK1 fuse available today providing unparalleled performance and protection to modern circuits. The patented Indicator™ technology provides instant identification of a blown fuse greatly enhancing system up time, while the precision formed short circuit elements virtually eliminate damage to components from unexpected electrical faults. In addition, the all new solid-state overload section has no moving parts, stopping unnecessary fatigue failures commonly found in other spring loaded fuses.

Features:
  • Reduce down-time — The indicating window of the LLSRK_ID immediately identifies the open fuse. If the window is dark, the fuse has opened. It’s that simple. Maintenance personnel can immediately determine that there is an open fuse.
  • Reduce fuse inventory — The superior performance of the LLSRK_ID allows it to be used in a variety of applications, thus decreasing fuse inventory.
  • Reduce nuisance opening — Indicator fuses offer superior time delay and cycling characteristics, which can lengthen fuse life.