Class RK1 Fuses

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Littelfuse
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. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLSR250
UPC: 079458290905
Item #: 578886
Available to Order
$2931.83 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK080
UPC: 079458330809
Item #: 521979
Available to Order
$259.20 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK250
UPC: 079458330908
Item #: 521983
Available to Order
$1058.25 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK080ID
UPC: 079458060591
Item #: 521988
Available to Order
$533.80 each
Availability
Location Available Qty
Littelfuse
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. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLSR450
UPC: 079458290950
Item #: 723003
Available to Order
$4045.20 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK2.25ID
UPC: 079458055092
Item #: 257903
Available to Order
$195.45 each
Availability
Location Available Qty
Littelfuse
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.
MFR: Littelfuse
MFR #: LLSRK300
UPC: 079458350913
Item #: 94148
Available to Order
$1948.00 each
Availability
Location Available Qty
Littelfuse
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.
MFR: Littelfuse
MFR #: LLSRK.250
UPC: 079458350210
Item #: 440809
Available to Order
$224.70 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK600
UPC: 079458330984
Item #: 504017
Available to Order
$1651.33 each
Availability
Location Available Qty
Littelfuse
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.
MFR: Littelfuse
MFR #: LLSRK030
UPC: 079458350739
Item #: 303499
Available to Order
$137.18 each
Availability
Location Available Qty
Littelfuse
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.
MFR: Littelfuse
MFR #: LLSRK.500
UPC: 079458350241
Item #: 829495
Available to Order
$210.55 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class Rk1 20A Indicator P
MFR: Littelfuse
MFR #: LLSRK020ID
UPC: 079458039818
Item #: 38947
Available to Order
$150.75 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK070ID
UPC: 079458060577
Item #: 116243
Available to Order
$533.80 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK6.25
UPC: 079458330595
Item #: 10713
Available to Order
$91.33 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK150ID
UPC: 079458060645
Item #: 107607
Available to Order
$1067.80 each
Availability
Location Available Qty
Littelfuse
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. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLSR600
UPC: 079458290981
Item #: 979262
Available to Order
$4045.20 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK400ID
UPC: 079458060713
Item #: 304510
Available to Order
$2134.93 each
Availability
Location Available Qty
Littelfuse
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. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLSR100
UPC: 079458290820
Item #: 723092
Available to Order
$785.13 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK400
UPC: 079458330939
Item #: 521985
Available to Order
$1027.45 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK05.6ID
UPC: 079458055184
Item #: 454907
Available to Order
$192.83 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK006ID
UPC: 079458055191
Item #: 74868
Available to Order
$170.80 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK002ID
UPC: 079458055085
Item #: 223101
Available to Order
$183.63 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK500
UPC: 079458330960
Item #: 1004975
Available to Order
$1651.33 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK045
UPC: 079458330762
Item #: 521978
Available to Order
$115.68 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK6.25ID
UPC: 079458055207
Item #: 730353
Available to Order
$179.43 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK100
UPC: 079458330823
Item #: 33698
Available to Order
$259.20 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK060
UPC: 079458330786
Item #: 127617
Available to Order
$115.68 each
Availability
Location Available Qty
Littelfuse
KLNR/KLSR series RK1 fast-acting 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, KLNR/KLSR series fuses must be greatly oversized to prevent opening the fuses on harmless inrush currents. In such applications, KLNR/KLSR series fuses may only provide short-circuit protection. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fast-acting fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLNR600
UPC: 079458280982
Item #: 596468
Available to Order
$3295.08 each
Availability
Location Available Qty
Littelfuse
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. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLSR150
UPC: 079458290868
Item #: 2172
Available to Order
$1483.25 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK025
UPC: 079458330724
Item #: 25405
Available to Order
$63.08 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK045ID
UPC: 079458039863
Item #: 104785
Available to Order
$258.45 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK035
UPC: 079458330748
Item #: 22924
Available to Order
$115.68 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK175
UPC: 079458330878
Item #: 34341
Available to Order
$570.45 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class Rk1 15A Indicator P
MFR: Littelfuse
MFR #: LLSRK015ID
UPC: 079458039795
Item #: 521986
Available to Order
$150.75 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK007
UPC: 079458330618
Item #: 65399
Available to Order
$90.88 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class Rk1 30A Indicator P
MFR: Littelfuse
MFR #: LLSRK030ID
UPC: 079458039832
Item #: 50784
Available to Order
$150.45 each
Availability
Location Available Qty
Littelfuse
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.
MFR: Littelfuse
MFR #: LLSRK350
UPC: 079458350920
Item #: 129147
Available to Order
$1948.00 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK035ID
UPC: 079458039849
Item #: 11313
Available to Order
$258.45 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK001
UPC: 079458330311
Item #: 1144189
Available to Order
$87.55 each
Availability
Location Available Qty
Littelfuse
Fuse 600V T/D Class Rk1 200A Id
MFR: Littelfuse
MFR #: LLSRK200ID
UPC: 079458060669
Item #: 108937
Available to Order
$1067.80 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK110
UPC: 079458330830
Item #: 521981
Available to Order
$621.25 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK07.5ID
UPC: 079458055221
Item #: 381560
Available to Order
$155.25 each
Availability
Location Available Qty
Littelfuse
KLNR/KLSR series RK1 fast-acting 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, KLNR/KLSR series fuses must be greatly oversized to prevent opening the fuses on harmless inrush currents. In such applications, KLNR/KLSR series fuses may only provide short-circuit protection. We recommend using POWR-PRO LLNRK/LLSRK series RK1, dual-element, time-delay fuses in all new applications requiring the current-limiting ability of UL Class RK1 fast-acting fuses, or in existing applications where fast-acting RK1 or RK5 fuses have been opening on harmless system surges such as motor starting currents.
MFR: Littelfuse
MFR #: KLNR125
UPC: 079458280845
Item #: 584810
Available to Order
$1350.05 each
Availability
Location Available Qty
Littelfuse
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.
MFR: Littelfuse
MFR #: LLSRK110ID
UPC: 079458060621
Item #: 521990
Available to Order
$1067.80 each
Availability
Location Available Qty
Littelfuse
Fuse 250V T/D Class Rk1 250A Id
MFR: Littelfuse
MFR #: LLSRK250ID
UPC: 079458060683
Item #: 1146332
Available to Order
$2134.93 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK450
UPC: 079458330953
Item #: 313888
Available to Order
$1651.33 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK125
UPC: 079458330847
Item #: 521982
Available to Order
$570.45 each
Availability
Location Available Qty
Littelfuse
Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
MFR: Littelfuse
MFR #: LLNRK030
UPC: 079458330731
Item #: 10004
Available to Order
$63.08 each
Availability
Location Available Qty