POWR-GARD Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK 1000 VDC Clip-to-Box Stud-to-Stud Clip-to-Stud Specifications Voltage Ratings 1000 VDC Clip-to-Box Stud-to-Stud Clip-to-Stud 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 Description File: E345481 Vol. 1 The LFJ1000 series fuse block is specifically designed Environmental RoHS Compliant for the Littelfuse SPFJ 1000 V Solar Fuse. It meets UL electrical requirements, is available in multiple amperages, Recommended Fuses and comes in a variety of fuse mounting and termination SPFJ Solar Series configurations fuse clip to box lug, fuse stud to wire stud and fuse clip to wire stud. Web Resources Features/Benefits Sample requests, downloadable CAD drawings, dimensions and other technical information: Narrow width increases space savings Range of amperages to match all SPFJ fuse options Littelfuse.com/LFJ1000 Box Lug termination style accommodates a wide For a comprehensive overview of solar market solutions, range of cable sizes Stud-mounted option increases convenience visit: Littelfuse.com/solar Approval for use with copper or aluminum lugs allowing for design flexibility Ordering Information (Clip-to-Box Lug 1000 V) ORDERING INTERRUPT WIRE RANGE RECOMMENDED AMPERAGE WIRE TYPE NUMBER RATING STANDARD (METRIC) TORQUE 2 2 200 LFJ102001C 20 kA 250 kcmil - 6 (127mm - 16mm ) 275 in-lb (31.1 N-m) Solid/ 2 2 400 LFJ104001C 10 kA 350 kcmil - 1/0 (177mm - 55mm ) Cu/Al 275 in-lb (31.1 N-m) Stranded 2 2 450 LFJ104501C 20 kA 500 kcmil - 4 (253mm - 25mm ) 375 in-lb (42.4 N-m) (Stud-to-Stud 1000 V) RECOMMENDED TORQUE RECOMMENDED BASE TORQUE ORDERING INTERRUPT MAX. BUSBAR AMPERAGE NUMBER RATING FUSE TERMINAL THICKNESS 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 30-40 in-lb 400 LFJ104001STST 10 kA 170 in-lb (19.2 N-m) 200 in-lb (22.6 N-m) .555 (14.10 mm) 5/16 40-50 in-lb 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) RECOMMENDED TORQUE RECOMMENDED BASE TORQUE ORDERING INTERRUPT MAX. BUSBAR AMPERAGE NUMBER RATING THICKNESS TERMINAL BOLT SIZE TORQUE 200 LFJ102001CST 20 kA 200 in-lb (22.6 N-m) .774 (19.66 mm) 1/4 30-40 in-lb 400 LFJ104001CST 10 kA 200 in-lb (22.6 N-m) .555 (14.10 mm) 5/16 40-50 in-lb 450 LFJ104501CST 20 kA 300 in-lb (33.9 N-m) .570 (14.18 mm) 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. 1 of 4 Littelfuse.com 2018 Littelfuse POWR-GARD Products Rev: 062218 POWR-GARD 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) 8.64 THRU 19.1 10.2 0.34 THRU 0.75 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) 8.6 THRU 19.1 11.2 0.34 THRU 0.75 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) 25.40 123.83 (1.00) (4.88) 76.20 (3.00) 101.60 (4.00) 7.1 THRU 14.2 x 11.2 0.28 THRU 0.56 x 0.44 110.58 (4.35) 15.88 (0.63) 2 of 4 Littelfuse.com 2018 Littelfuse POWR-GARD Products Rev: 062218