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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 2 3 2 3 4 1 2 3 1 1 1 Catalog Number LT30030-2 LT30030-3 LT30060-2 LT30060-3 LT30060-4 LT30100-1 LT30100-2 LT30100-3 LT30200-1 LT30400-1 LT30600-1 Connector Type (Add suffix shown)
Screw Box Lug
Class T 600V
Maximum Wire Size S = #10 CU C = #2 CU 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 Amp No. of Rating Poles 1 2 3 1 2 3 1 2 3 1 1 1 Catalog Number 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 Box Lug
Maximum Wire Size S = #10 CU C = #2 CU-AL
60
100 200 400 600
CR CR CR CR CR C C C C C C
30
SR SR SR
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.
CR CR CR CR CR CR C C C C C C
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
[30.2]
1.19"
[30.2]
1.13"
[28.6]
.218" [5.54] THRU .39" [9.91] C'BORE x .44" [9.91] DP.
2.88
[73.0]
2.88"
[73.0]
2.25
[57.2]
2.25"
[57.2]
1.13 .31
[7.9] [28.6]
1.13" .31"
[7.9] [28.6]
.62"
[15.9]
2.38
[60.3]
3.50"
[88.9]
1.12"
[28.5]
2 POLE
3 POLE
118
Class T Fuse Blocks
300 Volt
LT30060
.218" [5.54] THRU .39" [9.91] C'BORE x .44" [9.91] DP.
4.47"
[113.5] 1.19 [30.2]
1.19"
[30.2]
1.13"
[28.6]
3.09"
[78.6]
2.88 [73.0] 2.25 [57.2]
2.88"
[73.0]
2.25"
[57.2]
.31 [7.9]
1.13 [28.6] 2.38 [60.3]
1.13" .31"
[7.9] [28.6]
.62" .44" 3.50"
[88.9] [11.1] [15.9]
.20"
[5.2]
1.28"
[32.5]
2.06" 1.20"
[30.6] 52.4]
2 POLE
3 POLE
4 POLE
LT30100
1.37
[34.8]
.203" [5.1] DIA.HOLE .37" [9.5] C'BORE
3.09" 1.41"
[35.7] [78.6]
4.12"
[104.6]
.18"
[4.6]
5.25"
[133.3]
4.78"
[121.4]
5.25"
[133.3]
1.56"
[39.6]
4.50"
[114.3]
4.50"
[114.3]
2.39"
[60.7]
.69"
[17.5]
2.75"
[69.8]
.69"
[17.5]
1.87"
[47.5]
1 POLE
2 POLE
3 POLE
2.37" 2.25"
[57.1] [60.2]
LT30200
1.50"
[38.1]
LT30400
.281" [7.1] DIA.HOLE .50" [12.7] C'BORE .18"
[4.6]
LT30600
.37"
[9.5]
2.75"
[69.8]
2.62"
[66.5]
.62"
[15.7]
.62"
[15.7]
7.00"
[177.8]
8.75"
[222.2]
6.25"
[158.7]
1.69"
[42.9]
7.37"
[187.3]
1.84"
[46.7]
2.03"
[51.6]
8.06"
[203.2]
8.12"
[206.2]
.69"
[17.5]
2.25"
[57.1]
1.12"
[28.6]
.28" [7.1] DIA HOLE .19" .50" [12.7] C'BORE [48] x .43" [10.9] DEEP
.28" [7.1] DIA HOLE .19" .50" [12.7] C'BORE [4.8] x .43" [10.9] DEEP
1 POLE
1 POLE
1 POLE
119
Class T Fuse Blocks
600 Volt
LT60030
.218" x .655" 1.44"
[36.5]
.218" x .655"
[5.54 x 16.64] SLOT 2 PLS.
3.13"
[79.4]
[5.54 x 16.64] SLOT 2 PLS.
4.69"
[119]
.91"
[23.0]
.78"
[20]
1.56"
[39.7]
.78"
[20]
1.56"
[39.7]
.33"
[8.3]
3.38"
[85.7]
3.38"
[85.7]
3.19"
[81.0]
1.69"
[42.9]
1.69"
[42.9]
.62"
.55"
[13.9] [15.9]
.33"
[8.3]
1.28"
[32.5]
1 POLE
2 POLE
3 POLE
LT60060
.218" x .655" 1.81"
[46.0]
.218" x .655"
[5.54 x 16.64] SLOT 2 PLS.
3.13"
[79.4]
[5.54 x 16.64] SLOT 2 PLS.
4.69"
[119]
.91"
[23.0]
.78"
[20]
1.56"
[39.7]
.78"
[20]
1.56"
[39.7]
3.38"
[85.7]
3.38"
[85.7]
2.31"
[58.7]
1.69"
[42.9]
1.69"
[42.9]
.63" 1.74" 1 POLE 2 POLE 3 POLE
[44.2] [16]
LT60100
1.37
[34.8]
.203" [5.1] DIA.HOLE .37" [9.5] C'BORE
3.09'"
[78.6]
4.12"
[104.6]
.18" [4.6]
6.06'
[153.9]
4.78"
[121.4]
6.06"
[153.9]
2.36"
[6.0]
5.31"
[134.9]
5.31"
[134.9]
2.39"
[60.7]
.69"
[17.5]
1.41"
[35.7]
2.75"
[69.8]
.69"
[17.5]
1.87" [47.5]
1 POLE
2 POLE
3 POLE
120
Class T Fuse Blocks
600 Volt
LT60200
1.50"
[38.1] .281" [7.1] .50" [12.7] DIA.HOLE C'BORE
LT60400
.18"
[4.6]
2.25"
[57.1]
2.37"
[60.2]
.62"
[15.7]
7.75"
[196.8]
7.0"
[177.8]
8.25"
[209.5]
2.50"
[63.5]
2.72"
[69.1]
9.00"
[228.6]
.75"
[19.0]
2.25"
[57.1]
1 POLE
1.12"
[28.6]
.28" [7.1] DIA HOLE .50" [12.7] C'BORE x .43" [10.9] DEEP
.19"
[4.8]
1 POLE
LT60600
.37"
[9.5]
2.75"
[69.8]
2.62"
[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
.19"
[4.8]
1 POLE
121

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