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LLSRK Series
with Indication
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LLSRK.100ID - Littelfuse LLSRK.100ID - Littelfuse LSRK.100TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1/10

LLSRK.100ID - Littelfuse LSRK.100TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1/10

Usually Ships in 3 to 5 Days
Price: $46.44
LLSRK.150ID - Littelfuse LLSRK.150ID - Littelfuse LSRK.150TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:15/100

LLSRK.150ID - Littelfuse LSRK.150TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size:15/100

Usually Ships in 3 to 5 Days
Price: $46.44
LLSRK.200ID - Littelfuse LLSRK.200ID - Littelfuse LSRK.200TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 2/10

LLSRK.200ID - Littelfuse LSRK.200TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 2/10

Usually Ships in 3 to 5 Days
Price: $46.44
LLSRK.250ID - Littelfuse LLSRK.250ID - Littelfuse LSRK.250TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1/4

LLSRK.250ID - Littelfuse LSRK.250TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1/4

Usually Ships in 3 to 5 Days
Price: $46.44
LLSRK.300ID - Littelfuse LLSRK.300ID - Littelfuse LSRK.300TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 3/10

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

Usually Ships in 3 to 5 Days
Price: $46.44
LLSRK.400ID - Littelfuse LLSRK.400ID - Littelfuse LSRK.400TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 4/10

LLSRK.400ID - Littelfuse LSRK.400TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 4/10

Usually Ships in 3 to 5 Days
Price: $46.44
LLSRK.500ID - Littelfuse LLSRK.500ID - Littelfuse LSRK.500TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1/2

LLSRK.500ID - Littelfuse LSRK.500TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 1/2

Usually Ships in 3 to 5 Days
Price: $43.55
LLSRK.600ID - Littelfuse LLSRK.600ID - Littelfuse LSRK.600TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 6/10

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

Usually Ships in 3 to 5 Days
Price: $43.55
LLSRK.800ID - Littelfuse LLSRK.800ID - Littelfuse LSRK.800TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 8/10

LLSRK.800ID - Littelfuse LSRK.800TXID, UL CLASS RK1 DUAL ELEMENT TIME DELAY INDICATOR FUSE, Voltage: 600/300, Amp Size: 8/10

Usually Ships in 3 to 5 Days
Price: $43.55
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: $36.38
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: $34.65
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: $32.23
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: $32.23
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: $32.23
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: $32.23
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: $33.85
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: $32.23
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: $33.85
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: $44.36
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: $36.38
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: $41.23
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: $32.23
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: $32.23
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: $28.44
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: $36.38
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: $38.45
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: $28.44
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: $28.39
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: $33.85
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: $33.85
   
 
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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.