POWR-GARD(R) Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK 1000 VDC * Clip-to-Box * Stud-to-Stud * Clip-to-Stud Specifications Clip-to-Box Stud-to-Stud Voltage Ratings Ampere Ratings Flammability Rating Termination Type Base Temp Rating Approvals Environmental 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. 1000 VDC 200, 400, 450 A UL94 V-0 Box Lug or Stud Mount 130 C UL 4248-18 Listed File: E345481 Vol. 1 RoHS Compliant Recommended Fuses SPFJ Solar Series Web Resources Features/Benefits Sample requests, downloadable CAD drawings, dimensions and other technical information: Littelfuse.com/LFJ1000 * 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 For a comprehensive overview of solar market solutions, visit: Littelfuse.com/solar Ordering Information (Clip-to-Box Lug 1000 V) AMPERAGE ORDERING NUMBER INTERRUPT RATING WIRE RANGE STANDARD (METRIC) 200 LFJ102001C 20 kA 250 kcmil - #6 (127mm2 - 16mm2) 400 LFJ104001C 10 kA 350 kcmil - 1/0 (177mm - 55mm ) 450 LFJ104501C 20 kA 500 kcmil - #4 (253mm2 - 25mm2) 2 WIRE TYPE 2 Cu/Al Solid/ Stranded RECOMMENDED TORQUE 275 in-lb (31.1 N-m) 275 in-lb (31.1 N-m) 375 in-lb (42.4 N-m) (Stud-to-Stud 1000 V) RECOMMENDED TORQUE FUSE TERMINAL AMPERAGE ORDERING NUMBER INTERRUPT RATING MAX. BUSBAR THICKNESS 200 LFJ102001STST 20 kA 65 in-lb (7.3 N-m) 200 in-lb (22.6 N-m) .774" (19.66 mm) 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) RECOMMENDED BASE TORQUE BOLT SIZE TORQUE 1/4" 5/16" 30-40 in-lb 40-50 in-lb (Clip-to-Stud 1000 V) AMPERAGE ORDERING NUMBER INTERRUPT RATING RECOMMENDED TORQUE TERMINAL MAX. BUSBAR THICKNESS 200 LFJ102001CST 20 kA 200 in-lb (22.6 N-m) .774" (19.66 mm) 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) RECOMMENDED BASE TORQUE BOLT SIZE TORQUE 1/4" 5/16" 30-40 in-lb 40-50 in-lb Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer. Littelfuse.com 1 of 4 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 062218 POWR-GARD(R) Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK Dimensions mm (inches) Clip-to-Box 1000 V 200 A 155.7 (6.13) 77.9 (3.07) 19.1 (0.75) 50.8 (2.00) 69.9 (2.75) o8.64 THRU o19.1 10.2 o0.34 THRU [ o0.75 0.40 ] 72.4 (2.85) 15.9 (0.63) Clip-to-Box 1000 V 400 A 254.0 (10.0) 146.1 (5.75) 108.0 (4.25) 19.1 (0.75) 57.2 (2.25) 76.2 (3.00) o8.6 THRU o19.1 11.2 o0.34 THRU [ o0.75 0.44 ] 84.4 (3.32) 15.9 (0.63) Clip-to-Box 1000 V 450 A 298.45 (11.75) 174.63 (6.88) 123.83 (4.88) 25.40 (1.00) 76.20 (3.00) 101.60 (4.00) o7.1 THRU o14.2 x 11.2 o0.28 THRU [ o0.56 x 0.44] 110.58 (4.35) 15.88 (0.63) Littelfuse.com 2 of 4 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 062218 POWR-GARD(R) Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK Dimensions mm (inches) Stud-to-Stud 1000 V 200 A 105.41 (4.150) 20.88 (.822) 87.33 (3.438) 8.64 THRU 19.05 10.16 0.34 THRU 0.75 0.40 [ 87.33 (3.438) 22.10 (.870) ] 111.13 (4.375) 195.53 (7.698) 7/16-14 UNC-2A 1/4-20 UNC-2A 34.14 (1.344) 74.93 (2.950) 79.76 (3.140) 40.79 (1.606) 231.70 (9.122) Stud-to-Stud 1000 V 400 A 120.17 (4.731) 96.42 (3.796) 8.61 (.339) 50.00 (1.969) 33.02 (1.30) 8.61 (.339) 29.49 (1.161) TYP 8.64 THRU 19.05 10.16 0.34 THRU 0.75 0.40 [ 133.35 (5.250) 7/16-14 UNC-2A 16.13 (.635) ] 230.94 (9.092) 3/8-16 UNC-2A 28.57 (1.125) 74.93 (2.950) 46.36 (1.825) 90.08 (3.547) 16.13 (.635) 76.20 (3.000) 278.43 (10.962) Stud-to-Stud 1000 V 450 A 135.80 (5.347) 108.41 (4.268) 8.61 (.339) 29.49 (1.161) 8.61 (.339) 152.40 (6.000) 33.02 (1.300) 8.64 THRU 19.05 10.16 0.34 THRU 0.75 0.40 [ ] 254.91 (10.036) 1/2-13 UNC-2A 30.17 (1.188) 99.61 (3.922) 81.28 (3.200) 51.11 (2.012) 16.13 (.635) 101.160 (4.000) 309.70 (12.193) Littelfuse.com 3 of 4 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 062218 POWR-GARD(R) Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK Dimensions mm (inches) Clip-to-Stud 1000 V 200 A 231.7 (9.12) 126.3 (4.97) 105.4 (4.15) 14.0 (.55) 36.0 (1.42) 50.0 (1.97) o8.6 THRU o19.1 10.2 20.9 (.82) 22.1 (.87) o.34 THRU [ o.75 0.40 ] 7/16-14 UNC 2A 74.9 (2.95) 16.1 (.64) Clip-to-Stud 1000 V 400 A 278.4 (10.96) 158.3 (6.23) 149.7 (5.89) 128.8 (5.07) 40.8 (1.61) 120.2 (4.73) 21.6 (.85) 54.6 (2.15) 33.0 (1.30) 76.2 (3.00) o8.6 THRU o19.1 10.2 29.5 (1.16) o.34 THRU [ o.75 0.40 ] 7/16-14 UNC 2A 84.6 (3.33) 46.4 (1.83) 16.1 (.64) Clip-to-Stud 1000 V 450 A 309.7 (12.19) 173.9 (6.85) 165.3 (6.51) 144.4 (5.69) 135.8 (5.35) 34.3 (1.35) 67.3 (2.65) 101.6 (4.00) o8.6 THRU 33.0 (1.30) o19.1 10.2 29.5 (1.16) o.34 THRU [ o.75 0.40 ] 1/2-13 UNC 2A 110.8 (4.36) 51.1 (2.01) 16.1 (.64) Littelfuse.com 4 of 4 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 062218 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Littelfuse: LFJ104001STST LFJ102001CST LFJ102001STST LFJ104001CST LFJ104501STST LFJ104501CST