LFT Series - Class T Fuse Blocks

Series: LFT
Questions? Contact Littelfuse Support
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The new Littelfuse Class T fuse blocks offer many advantages over previous generations that are noted in the features and benefits section. Of particular value is the space savings these new blocks provide.

Features/Benefits:

  • Compact design means increased space savings
  • DIN Rail releasable for all 30 A-60 A fuse blocks
  • Only one hand is required to release from DIN Rail (lock open lock closed)
  • Molded phenolic base
  • Steel reinforcing springs supplied as standard provide low resistance connection and long-range reliability
  • Larger blocks employ integral heat sink for maximum heat dissipation
  • Universal mounting holes make for easy replacement

Product Literature

POWR-GARD Fuse Catalog - Download

Access specifications, certifications, check availability and order parts below

Catalog #Fuse TypeIndicatingStockSamplesCompare
LFT300301CClass TNoCheckOrder
LFT300302CClass TNoCheckOrder
LFT300303CClass TNoCheckOrder
LFT300601CClass TNoCheckOrder
LFT300601C-HXClass TNoCheckOrder
LFT300602CClass TNoCheckOrder
LFT300602C-HXClass TNoCheckOrder
LFT300603CClass TNoCheckOrder
LFT300603C-HXClass TNoCheckOrder
LFT301001CSClass TNoCheckOrder
LFT301003CSClass TNoCheckOrder
LFT302001CSClass TNoCheckOrder
LFT302003CSClass TNoCheckOrder
LFT304001CSClass TNoCheckOrder
LFT304003CSClass TNoCheckOrder
LFT306001CSClass TNoCheckOrder
LFT306003CSClass TNoCheckOrder
LFT600301CClass TNoCheckOrder
LFT600301PClass TNoCheckOrder
LFT600301SClass TNoCheckOrder
LFT600302CClass TNoCheckOrder
LFT600302PClass TNoCheckOrder
LFT600302SClass TNoCheckOrder
LFT600303CClass TNoCheckOrder
LFT600303PClass TNoCheckOrder
LFT600303SClass TNoCheckOrder
LFT600601CClass TNoCheckOrder
LFT600601C-HXClass TNoCheckOrder
LFT600602CClass TNoCheckOrder
LFT600602C-HXClass TNoCheckOrder
LFT600603CClass TNoCheckOrder
LFT600603C-HXClass TNoCheckOrder
LFT601001CSClass TNoCheckOrder
LFT601003CSClass TNoCheckOrder
LFT602001CSClass TNoCheckOrder
LFT602003CSClass TNoCheckOrder
LFT604001CSClass TNoCheckOrder
LFT604003CSClass TNoCheckOrder
LFT606001CSClass TNoCheckOrder
LFT606003CSClass TNoCheckOrder
Catalog # Certificates
Sorting icon
LFT300301C CSAiconculiconULicon
LFT300302C CSAiconculiconULicon
LFT300303C CSAiconculiconULicon
LFT300601C CSAiconculiconULicon
LFT300602C CSAiconculiconULicon
LFT300603C CSAiconculiconULicon
LFT301001CS CSAiconculiconULicon
LFT301003CS CSAiconculiconULicon
LFT302001CS CSAiconculiconULicon
LFT302003CS CSAiconculiconULicon
LFT304001CS CSAiconculiconULicon
LFT304003CS CSAiconculiconULicon
LFT306001CS CSAiconculiconULicon
LFT306003CS CSAiconculiconULicon
LFT600301C CSAiconculiconULicon
LFT600301P CSAiconculiconULicon
LFT600301S CSAiconculiconULicon
LFT600302C CSAiconculiconULicon
LFT600302P CSAiconculiconULicon
LFT600302S CSAiconculiconULicon
LFT600303C CSAiconculiconULicon
LFT600303P CSAiconculiconULicon
LFT600303S CSAiconculiconULicon
LFT600601C CSAiconculiconULicon
LFT600602C CSAiconculiconULicon
LFT600603C CSAiconculiconULicon
LFT601001CS CSAiconculiconULicon
LFT601003CS CSAiconculiconULicon
LFT602001CS CSAiconculiconULicon
LFT602003CS CSAiconculiconULicon
LFT604001CS CSAiconculiconULicon
LFT604003CS CSAiconculiconULicon
LFT606001CS CSAiconculiconULicon
LFT606003CS CSAiconculiconULicon

icon-request-icon LFT30100FBC 3D Model STP

icon-request-icon LFT300301C 3D Model IGS

icon-request-icon LFT30030FBC 3D Model STP

icon-request-icon LFT600301C 3D Model IGS

icon-request-icon LFT600601C 3D Model STP

icon-request-icon LFT300302C 3D Model IGS

icon-request-icon LFT30060FBC 3D Model STP

icon-request-icon LFT306001CS 3D Model IGS

icon-request-icon LFT302003CS 3D Model IGS

icon-request-icon LFT300303C 3D Model IGS

icon-request-icon LFT60030FBC 3D Model STP

icon-request-icon LFT600301S 3D Model IGS

icon-request-icon LFT600302P 3D Model IGS

icon-request-icon LFT602003CS 3D Model STP

icon-request-icon LFT601003CS 3D Model IGS

icon-request-icon LFT60060FBC 3D Model STP

icon-request-icon LFT304003CS 3D Model IGS

icon-request-icon LFT301003CS 3D Model IGS

icon-request-icon LFT600302C 3D Model IGS

icon-request-icon LFT302001CS 3D Model IGS

icon-request-icon LFT304001CS 3D Model IGS

icon-request-icon LFT604001CS 3D Model IGS

icon-request-icon LFT301001CS 3D Model IGS

icon-request-icon LFT601001CS 3D Model IGS

icon-request-icon LFT306003CS 3D Model IGS

icon-request-icon LFT600303P 3D Model IGS

icon-request-icon LFT606001CS 3D Model IGS

icon-request-icon LFT600302S 3D Model IGS

icon-request-icon LFT602001CS 3D Model IGS

icon-request-icon LFT300602C 3D Model IGS

icon-request-icon LFT600301P 3D Model IGS

icon-request-icon LFT300603C 3D Model IGS

icon-request-icon LFT600602C 3D Model STP

icon-request-icon LFT300601C 3D Model IGS

icon-request-icon LFT604003CS 3D Model IGS

icon-request-icon LFT600303C 3D Model IGS

icon-request-icon LFT600603C 3D Model STP

icon-request-icon LFT606003CS 3D Model IGS

icon-request-icon LFT602003CS 3D Model IGS

CAD-DWG-icon OL-LFT30100 CAD Drawing

CAD-DWG-icon OL-LFT60100 CAD Drawing

CAD-DWG-icon OL-LFT60030C CAD Drawing

CAD-DWG-icon OL-LFT60200 CAD Drawing

CAD-DWG-icon OL-LFT60600 CAD Drawing

CAD-DWG-icon OL-LFT30060 CAD Drawing

CAD-DWG-icon OL-LFT30200 CAD Drawing

CAD-DWG-icon OL-LFT60400 CAD Drawing

CAD-DWG-icon OL-LFT30030 CAD Drawing

CAD-DWG-icon OL-LFT30400 CAD Drawing

CAD-DWG-icon OL-LFT60060 (3) CAD Drawing


  • Showing 2 items
    • JLLS
      UL Class T Fast-Acting Fuse

    • Amps (A): 1, 2, 3, 6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125 more

    • Interrupting Rating: 20 kA @ 300 Vdc, 200 kA @ 300 Vac

    • Opening: Fast-Acting (F)

    • JLLN
      UL Class T Fast-Acting Fuse

    • Amps (A): 1, 2, 3, 6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125 more

    • Interrupting Rating: 20 kA @ 125 Vdc, 20 kA @ 160 Vdc, 50 kA @ 160 Vdc

    • Opening: Fast-Acting (F)

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
LFT300301C 300V Class T Block 30A 1 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT300302C 300V Class T Block 30A 2 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT300303C 300V Class T Block 30A 3 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT300601C 300V Class T Block 60A 1 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT300602C 300V Class T Block 60A 2 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT300603C 300V Class T Block 60A 3 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT301001CS 300V CLASS T BLOCK 100A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT301003CS 300V CLASS T BLOCK 100A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT302001CS 300V CLASS T BLOCK 200A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT302003CS 300V CLASS T BLOCK 200A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT304001CS 300V CLASS T BLOCK 400A 1 POLE RoHS No 07/30/2010 PbFree No 07/30/2010 REACH181_Declaration_LFT304001CS No
Does not Contain
LFT304003CS 300V CLASS T BLOCK 400A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT306001CS 300V CLASS T BLOCK 600A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT306003CS 300V CLASS T BLOCK 600A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600301C 600V Class T Block 30A 1 Pole Box Lug RoHS No 09/05/2018 PbFree No 09/05/2018 CoC_RoHS10_LFT600301C REACH191_Declaration_LFT600301C
Does not Contain
LFT600301P 600V Class T Block 30A 1 Pole P Plate RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600301S 600V Class T Block 30A 1 Pole Screw RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600302C 600V Class T Block 30A 2 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT600302C REACH191_Declaration_LFT600302C
Does not Contain
LFT600302P 600V Class T Block 30A 2 Pole P Plate RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600302S 600V Class T Block 30A 2 Pole Screw RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600303C 600V Class T Block 30A 3 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT600303C REACH_SVHC Declaration_LFT600303C No
07/10/2012		 Does not Contain
LFT600303P 600V Class T Block 30A 3 Pole P Plate RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT600303P REACH201_Declaration_LFT600303P No
07/10/2012		 Does not Contain
LFT600303S 600V Class T Block 30A 3 Pole Screw RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT600303S REACH209_Declaration_LFT600303S No
07/10/2012		 Does not Contain
LFT600601C 600V Class T Block 60A 1 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600602C 200V Class T Block 60A 2 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT600603C 600V Class T Block 60A 3 Pole Box Lug RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT600603C REACH211_Declaration_LFT600603C No
07/10/2012		 Does not Contain IPC_LFT600603C
LFT601001CS 600V CLASS T BLOCK 100A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT601003CS 600V CLASS T BLOCK 100A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
LFT602001CS 600V CLASS T BLOCK 200A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT602001CS REACH209_Declaration_LFT602001CS No
07/10/2012		 Does not Contain
LFT602003CS 600V CLASS T BLOCK 200A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT602003CS REACH197_Declaration_LFT602003CS No
07/10/2012		 Does not Contain IPC_LFT602003CS
LFT604001CS 600V CLASS T BLOCK 400A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT604001CS REACH211_Declaration_LFT604001CS No
07/10/2012		 Does not Contain
LFT604003CS 600V CLASS T BLOCK 400A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT604003CS REACH201_Declaration_LFT604003CS No
07/10/2012		 Does not Contain
LFT606001CS 600V CLASS T BLOCK 600A 1 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 CoC_RoHS10_LFT606001CS REACH201_Declaration_LFT606001CS No
07/10/2012		 Does not Contain
LFT606003CS 600V CLASS T BLOCK 600A 3 POLE RoHS No 07/10/2012 PbFree No 07/10/2012 No
07/10/2012
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