Class T Fuse Blocks 300 and 600 Volt SPECIFICATIONS Voltage Ratings: 300 Volts AC 600 Volts AC Ampere Ratings: 0 – 600 amperes Approvals: UL Listed (File No. E14721) CSA Certified (File No. LR73091) RECOMMENDED FUSES JLLN (300V) and JLLS (600V) series fuses 300 and 600 volt fuse blocks are designed for use with miniaturized Class T fuses. Class T fuses are very fast-acting, current limiting, and approximately one-third the size of electrically-comparable Class RK1 fuses. FEATURES/BENEFITS Bases are molded phenolic. To provide a low resistance connection and long-range reliability, steel reinforcing springs are supplied as standard. Larger blocks employ an integral heat sink for maximum heat dissipation. Class T 300V Amp No. of Rating Poles 30 60 100 200 400 600 2 3 2 3 4 1 2 3 1 1 1 Connector Type (Add suffix shown) Catalog Number Screw LT30030-2 LT30030-3 LT30060-2 LT30060-3 LT30060-4 LT30100-1 LT30100-2 LT30100-3 LT30200-1 LT30400-1 LT30600-1 Box Lug CR CR CR CR CR C C C C C C Class T 600V Maximum Wire Size Amp No. of Rating Poles S = #10 CU C = #2 CU 30 C = #2 CU-AL 60 #2/0 CU-AL 100 250 MCM CU-AL (2) 250 MCM CU-AL (2) 500 MCM CU-AL 200 400 600 Note: Reinforcing springs standard on all 300 volt Class T fuse blocks up to 100 amperes. 300 volt Class T blocks 200 amperes and larger have stud mountings. 1 2 3 1 2 3 1 2 3 1 1 1 [30.2] 2.88 2.88" [73.0] [73.0] 2.25 2.25" [57.2] [57.2] 1.13 .31 [7.9] [28.6] 2.38 [60.3] 2 POLE 118 .31" [7.9] LT60030-1 LT60030-2 LT60030-3 LT60060-1 LT60060-2 LT60060-3 LT60100-1 LT60100-2 LT60100-3 LT60200-1 LT60400-1 LT60600-1 Connector Type (Add suffix shown) Screw SR SR SR Maximum Wire Size Box Lug CR CR CR CR CR CR C C C C C C S = #10 CU C = #2 CU-AL C = #2 CU-AL #2/0 CU-AL 250 MCM CU-AL (2) 250 MCM CU-AL (2) 500 MCM CU-AL Note: Reinforcing springs standard on all 600 volt Class T fuse blocks up to 60 amperes. 600 volt Class T blocks 100 amperes and larger have stud mountings. LT30030 1.19 Catalog Number 1.19" 1.13" [30.2] [28.6] .218" [5.54] THRU .39" [9.91] C'BORE x .44" [9.91] DP. 1.13" .62" [28.6] [15.9] 3.50" 1.12" [88.9] [28.5] 3 POLE Class T Fuse Blocks 300 Volt LT30060 4.47" [113.5] 1.19 [30.2] 1.19" 1.13" [30.2] [28.6] .218" [5.54] THRU .39" [9.91] C'BORE x .44" [9.91] DP. 3.09" [78.6] 2.88" 2.88 [73.0] [73.0] 2.25" 2.25 [57.2] [57.2] 1.13" 1.13 [28.6] .31 [7.9] .31" 2.38 [60.3] .62" .44" [28.6] [7.9] [15.9] [11.1] 3.50" 1.28" .20" [88.9] [32.5] [5.2] 2.06" 52.4] 1.20" [30.6] 2 POLE LT30100 3 POLE .203" [5.1] DIA.HOLE .37" [9.5] C'BORE 1.37 [34.8] 3.09" [78.6] 1.41" [35.7] 5.25" 4.12" .18" [104.6] [4.6] 5.25" 4.78" [133.3] 1.56" 4 POLE [133.3] [121.4] 4.50" 4.50" [114.3] [114.3] [39.6] 2.39" [60.7] .69" [17.5] 1 POLE 1.50" [38.1] 2.37" LT30400 .281" [7.1] DIA.HOLE .50" [12.7] C'BORE .69" [69.8] [17.5] 1.87" [47.5] 3 POLE 2 POLE LT30200 2.75" [60.2] 2.25" [57.1] LT30600 .62" .37" [15.7] [9.5] 2.75" 2.62" [69.8] [66.5] .62" .18" [15.7] [4.6] 7.00" 8.75" [177.8] [222.2] 6.25" [158.7] 1.69" 7.37" [42.9] [187.3] 1.84" 2.03" [51.6] [46.7] 8.06" 8.12" [203.2] [206.2] .69" 2.25" [17.5] [57.1] 1.12" [28.6] 1 POLE .28" [7.1] DIA HOLE .19" .50" [12.7] C'BORE [48] x .43" [10.9] DEEP 1 POLE .28" [7.1] DIA HOLE .19" .50" [12.7] C'BORE [4.8] x .43" [10.9] DEEP 1 POLE 119 Class T Fuse Blocks 600 Volt LT60030 .218" x .655" .218" x .655" 3.13" 1.44" [5.54 x 16.64] SLOT 2 PLS. [5.54 x 16.64] SLOT 2 PLS. 4.69" [79.4] [36.5] .91" [23.0] [119] .78" 1.56" .78" 1.56" [20] [39.7] [20] [39.7] .33" [8.3] 3.38" 3.38" [85.7] [85.7] 3.19" [81.0] 1.69" 1.69" [42.9] [42.9] .62" .55" [15.9] [13.9] 1.28" .33" [8.3] [32.5] 1 POLE 3 POLE 2 POLE LT60060 .218" x .655" .218" x .655" 3.13" 1.81" [5.54 x 16.64] SLOT 2 PLS. [5.54 x 16.64] SLOT 2 PLS. 4.69" [79.4] [46.0] .91" [23.0] [119] .78" 1.56" .78" 1.56" [20] [39.7] [20] [39.7] 3.38" 3.38" [85.7] [85.7] 2.31" [58.7] 1.69" 1.69" [42.9] [42.9] .63" 1.74" 1 POLE LT60100 1.37 [34.8] 2 POLE .203" [5.1] DIA.HOLE .37" [9.5] C'BORE 3.09'" 4.12" [78.6] [104.6] 6.06' [44.2] .18" [4.6] 6.06" 4.78" [153.9] 2.36" 3 POLE [153.9] [121.4] 5.31" 5.31" [134.9] [134.9] [6.0] 2.39" [60.7] 1 POLE 120 .69" 1.41" 2.75" [17.5] [35.7] [69.8] 2 POLE 3 POLE .69" [17.5] 1.87" [47.5] [16] Class T Fuse Blocks 600 Volt LT60200 LT60400 1.50" [38.1] .281" [7.1] .50" [12.7] DIA.HOLE C'BORE 2.37" [60.2] 2.25" [57.1] .18" [4.6] .62" [15.7] 7.75" [196.8] 7.0" 8.25" [177.8] [209.5] 2.50" 2.72" [63.5] [69.1] 9.00" [228.6] 2.25" .75" [19.0] [57.1] 1.12" 1 POLE [28.6] .28" [7.1] DIA HOLE .50" [12.7] C'BORE x .43" [10.9] DEEP 1 POLE .19" [4.8] LT60600 .37" [9.5] 2.75" 2.62" [69.8] [66.5] .62" [15.7] 9.0" [228.6] 2.95" [75.0] 9.75" [247.6] .28" [7.1] DIA HOLE .50" [12.7] C'BORE x .43" [10.9] DEEP 1 POLE .19" [4.8] 121