Littelfuse LFJ1000 Series - Manual

Littelfuse.com © 2012 Littelfuse POWR-GARD ® Products
POWR-GARD ® Blocks and Holders Datasheet
Rev: 120512
1 of 4
Specifications
Voltage Ratings 1000 VDC
Ampere Ratings 200, 400, 450 A
Flammability Rating UL94 V-0
Termination Type Box Lug or Stud Mount
Base Temp Rating 130˚ C
Approvals UL 4248-18 Listed
File: E345481 Vol. 1
Environmental RoHS Compliant
Recommended Fuses
SPFJ Solar Series
Web Resources
Sample requests, downloadable CAD drawings, dimensions
and other technical information:
Littelfuse.com/LFJ1000
For a comprehensive overview of solar market solutions,
visit: Littelfuse.com/Solar
Clip-to-Box Stud-to-Stud Clip-to-Stud
Description
The LFJ1000 series fuse block is specifically designed
for the Littelfuse SPFJ 1000 V Solar Fuse. It meets UL
electrical requirements, is available in multiple amperages,
and comes in a variety of fuse mounting and termination
configurations; fuse clip to box lug, fuse stud to wire stud
and fuse clip to wire stud.
Features/Benefits
• Narrow width increases space savings
• Range of amperages to match all SPFJ fuse options
• Box Lug termination style accommodates a wide
range of cable sizes
• Stud-mounted option increases convenience
• Approval for use with copper or aluminum lugs
allowing for design flexibility
Ordering Information
(Clip-to-Box Lug 1000 V)
AmperAge OrDerINg
Number
INTerrupT
rATINg
WIre rANge
STANDArD (meTrIc)
WIre TYpe
recOmmeNDeD
TOrQue
200 LFJ102001C 20 kA 250 kcmil - #6 (127mm 2 - 16mm 2 )
Cu/Al
Solid/
Stranded
275 in-lb (31.1 N-m)
400 LFJ104001C 10 kA 350 kcmil - 1/0 (177mm 2 - 55mm 2 ) 275 in-lb (31.1 N-m)
450 LFJ104501C 20 kA 500 kcmil - #4 (253mm 2 - 25mm 2 ) 375 in-lb (42.4 N-m)
LFJ1000 SerIeS SOLAr FuSe bLOck
1000 VDC • Clip-to-Box • Stud-to-Stud • Clip-to-Stud
(Stud-to-Stud 1000 V)
AMPERAGE ORDERING
NuMbER
INTerrupT
rATINg
RECOMMENDED TORQuE MAX. buSbAR
THICKNESS
recOmmeNDeD bASE TORQuE
FuSE TERMINAL bOLT SIZE TORQuE
200 LFJ102001STST 20 kA 65 in-lb (7.3 N-m) 200 in-lb (22.6 N-m) .774” (19.66 mm)
1/4”
5/16”
30-40 in-lb
40-50 in-lb
400 LFJ104001STST 10 kA 170 in-lb (19.2 N-m) 200 in-lb (22.6 N-m) .555” (14.10 mm)
450 LFJ104501STST 20 kA 300 in-lb (33.9 N-m) 300 in-lb (33.9 N-m) .570” (14.18 mm)
(Clip-to-Stud 1000 V)
AMPERAGE ORDERING
NuMbER
INTerrupT
rATINg
RECOMMENDED TORQuE MAX. buSbAR
THICKNESS
recOmmeNDeD bASE TORQuE
TERMINAL bOLT SIZE TORQuE
200 LFJ102001CST 20 kA 200 in-lb (22.6 N-m) .774” (19.66 mm)
1/4”
5/16”
30-40 in-lb
40-50 in-lb
400 LFJ104001CST 10 kA 200 in-lb (22.6 N-m) .555” (14.10 mm)
450 LFJ104501CST 20 kA 300 in-lb (33.9 N-m) .570” (14.18 mm)