LFJ Series - Class J Indicating Fuse Blocks

External overview image
Roll Over to Zoom
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.

Features and Benefits
  • Indication offered on all versions except 200A-600A
  • DIN Rail releasable for all non-knife blade style fuses
  • Only one hand is required to release from DIN Rail (lock open lock closed)
  • Phenolic blocks have side barriers for isolation
  • Spring reinforced fuse clips are standard on 100A and larger blocks. Reinforcing springs are optional on 30A and 60A blocks.
  • Universal mounting holes make for easy replacement
  • Space-saving design — up to 45% smaller than existing blocks


  • Showing 3 items
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
LFJ600301CID 600V CLASS J BLOCK 30A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600301PID 600V CLASS J BLOCK 30A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600301SID 600V CLASS J BLOCK 30A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600302CID 600V CLASS J BLOCK 30A 2 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ600302CID REACH219_Declaration_LFJ600302CID No
01/03/2012
Does not Contain
LFJ600302PID 600V CLASS J BLOCK 30A 2 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600302SID 600V CLASS J BLOCK 30A 2 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600303CID 600V CLASS J BLOCK 30A 3 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ600303CID REACH219_Declaration_LFJ600303CID No
01/03/2012
Does not Contain
LFJ600303PID 600V CLASS J BLOCK 30A 3 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600303SID 600V CLASS J BLOCK 30A 3 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 REACH181_Declaration_LFJ600303SID No
01/03/2012
Does not Contain
LFJ600601CID 600V CLASS J BLOCK 60A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600602CID 600V CLASS J BLOCK 60A 2 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ600603CID 600V CLASS J BLOCK 60A 3 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ600603CID REACH201_Declaration_LFJ600603CID No
01/03/2012
Does not Contain
LFJ601001CID 600V CLASS J BLOCK 100A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ601001CID No
01/03/2012
IPC_LFJ601001CID
LFJ601003CID 600V CLASS J BLOCK 100A 3 POLE RoHS No 09/20/2011 PbFree No 09/20/2011 CoC_RoHS10_LFJ601003CID No
IPC_LFJ601003CID
LFJ602001C 600V CLASS J BLOCK 200A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ602001C REACH201_Declaration_LFJ602001C No
01/03/2012
Does not Contain
LFJ602003C 600V CLASS J BLOCK 200A 3 POLE RoHS No 09/20/2011 PbFree No 09/20/2011 CoC_RoHS10_LFJ602003C REACH205_Declaration_LFJ602003C No
Does not Contain IPC_LFJ602003C
LFJ604001C 600V CLASS J BLOCK 400A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ604001C REACH181_Declaration_LFJ604001C No
01/03/2012
Does not Contain
LFJ604003C 600V CLASS J BLOCK 400A 3 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 CoC_RoHS10_LFJ604003C REACH205_Declaration_LFJ604003C No
01/03/2012
Does not Contain
LFJ606001C 600V CLASS J BLOCK 600A 1 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
LFJ606003C 600V CLASS J BLOCK 600A 3 POLE RoHS No 01/03/2012 PbFree No 01/03/2012 No
01/03/2012
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.