POWR-GARD Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK 1000 V dc Clip-to-Box Stud-to-Stud Clip-to-Stud Specifications Voltage Ratings 1000 V dc Ampere Ratings 200, 400, 450 A Materials: Base Thermoplastic Fuse Clip Tin plated copper alloy Box Lug Aluminum Fuse Studs Zinc plated steel Connector Studs Zinc plated steel Clip-to-Box Stud-to-Stud Clip-to-Stud Flammability Rating UL94 V-0 Termination Type Box Lug or Stud Mount Base Temp Rating 130 C Description Approvals UL 4248-18 Listed The LFJ1000 series fuse block is specifically designed for File: E345481 Vol. 1 Environmental RoHS Compliant 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 Recommended Fuses fuse clip to box lug, fuse stud to wire stud and fuse clip to SPFJ Solar Series wire stud. Features/Benefits Web Resources Narrow width increases space savings Sample requests, downloadable CAD drawings, dimensions Range of amperages to match all SPFJ fuse options and other technical information: Box Lug termination style accommodates a wide Littelfuse.com/LFJ1000 range of cable sizes For a comprehensive overview of solar market solutions, 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) ORDERING INTERRUPT RECOMMENDED TORQUE MAX. BUSBAR RECOMMENDED BASE TORQUE AMPERAGE NUMBER RATING THICKNESS 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 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) ORDERING INTERRUPT RECOMMENDED TORQUE MAX. BUSBAR RECOMMENDED BASE TORQUE 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) Littelfuse.com 2019 Littelfuse, Inc. 1 of 4 Rev: 091719 POWR-GARD Blocks and Holders Datasheet LFJ1000 SERIES SOLAR FUSE BLOCK Dimensions mm (inches) 155.7 Clip-to-Box 1000 V 200 A (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) 254.0 (10.0) 146.1 Clip-to-Box 1000 V 400 A (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) 298.45 (11.75) 174.63 (6.88) 25.40 123.83 Clip-to-Box 1000 V 450 A (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) Littelfuse.com 2019 Littelfuse, Inc. 2 of 4 Rev: 091719