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UL Class T Fuses for Extra-Tight Spaces

Ferrule Style

Knife-Blade Style
Smaller than UL Class J fuses, these fast-acting fuses can be used in extra-tight spaces such as meters, uninterruptible power supplies, and variable-speed drives. They open circuits quickly when surges are detected. Use with Fuse Blocks for UL Class T Fuses.
Breakthrough current, also known as interrupt current, is the maximum current that a fuse can safely stop in the event of a short circuit.
Overall | Each | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Current, A | Voltage | Breakthrough Current | Lg. | Dia. | No. of Elements | Cartridge Fuse Style | Specifications Met | 1-9 | 10-Up | |
Manufacturer Equivalent: A3T, JJN, JLLN | ||||||||||
3 | 300V AC | 200,000 A @ 300 V AC | 7/8" | 7/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 000000 | 000000 |
10 | 300V AC | 200,000 A @ 300 V AC | 7/8" | 7/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
15 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 7/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
20 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 7/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
30 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 7/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
35 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
40 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
50 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
60 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 7/8" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
80 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 2 3/16" | 3/4" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 | 00000 |
100 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 2 3/16" | 3/4" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 | 00000 |
150 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 2 7/16" | 7/8" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 | 00000 |
200 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 2 7/16" | 7/8" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 | 00000 |
300 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 2 3/4" | 1" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 | 000000 |
400 | 300V AC/160V DC | 20,000 A @ 160 V DC 200,000 A @ 300 V AC | 2 3/4" | 1" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 | 00000 |
Manufacturer Equivalent: A6T, JJS, JLLS | ||||||||||
3 | 600V AC | 200,000 A @ 600 V AC | 1 1/2" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
10 | 600V AC | 200,000 A @ 600 V AC | 1 1/2" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
15 | 600V AC | 200,000 A @ 600 V AC | 1 1/2" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
20 | 600V AC | 200,000 A @ 600 V AC | 1 1/2" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
25 | 600V AC | 200,000 A @ 600 V AC | 1 1/2" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
30 | 600V AC | 200,000 A @ 600 V AC | 1 1/2" | 9/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
35 | 600V AC | 200,000 A @ 600 V AC | 1 9/16" | 13/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
40 | 600V AC | 200,000 A @ 600 V AC | 1 9/16" | 13/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
45 | 600V AC | 200,000 A @ 600 V AC | 1 9/16" | 13/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
50 | 600V AC | 200,000 A @ 600 V AC | 1 9/16" | 13/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
60 | 600V AC | 200,000 A @ 600 V AC | 1 9/16" | 13/16" | 1 | Ferrule | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
70 | 600V AC | 200,000 A @ 600 V AC | 2 15/16" | 3/4" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
80 | 600V AC | 200,000 A @ 600 V AC | 2 15/16" | 3/4" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
90 | 600V AC | 200,000 A @ 600 V AC | 2 15/16" | 3/4" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 000000000 | 00000 | 00000 |
100 | 600V AC | 200,000 A @ 600 V AC | 2 15/16" | 3/4" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 | 00000 |
125 | 600V AC | 200,000 A @ 600 V AC | 3 1/4" | 7/8" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 | 00000 |
200 | 600V AC | 200,000 A @ 600 V AC | 3 1/4" | 7/8" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 | 00000 |
400 | 600V AC | 200,000 A @ 600 V AC | 3 5/8" | 1" | 1 | Knife Blade | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 | 000000 |
Fuse Blocks for UL Class Fuses

For 1 Fuse with Box-Lug Terminal

For 2 Fuses with Box-Lug Terminals

For 3 Fuses with Box-Lug Terminals
For Fuse | |||||||
---|---|---|---|---|---|---|---|
For No. of Fuses | UL Class | Current, A | Voltage | Wire Connection Type | Specifications Met | Each | |
For Fuse Manufacturer Equivalent: A3T, JJN, JLLN | |||||||
2 | T | 1/2-30 | 300V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 |
2 | T | 31-60 | 300V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 |
3 | T | 1/2-30 | 300V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 |
3 | T | 31-60 | 300V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 |
3 | T | 61-100 | 300V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 |
For Fuse Manufacturer Equivalent: A6T, JJS, JLLS | |||||||
1 | T | 1/2-30 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |
1 | T | 31-60 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |
1 | T | 61-100 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 00000 |
2 | T | 1/2-30 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |
2 | T | 31-60 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |
2 | T | 61-100 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 |
3 | T | 1/2-30 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |
3 | T | 31-60 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |
3 | T | 61-100 | 600V AC | Box-Lug Terminals | UL Listed, CSA Certified, CE Marked | 00000000 | 000000 |
Fuse Block Safety Covers

Prevent accidental shocks with these snap-on safety covers. They have slotted openings for testing with probes.
For Fuse | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
UL Class | Current, A | Protection Type | Voltage | Lg. | Wd. | Ht. | Blown Fuse Indicator | Specifications Met | Each | |
H, RK1, RK5 T | 0.1-30 1-30 | Fast Acting, Time Delay | 250V AC 600V AC | 3.8" | 0.75" | 1.7" | No | UL Listed, CSA Certified, CE Marked | 0000000 | 000000 |
H, RK1, RK5 T | 0.1-30 1-30 | Fast Acting, Time Delay | 250V AC 600V AC | 3.8" | 0.75" | 1.7" | Yes | UL Listed, CSA Certified, CE Marked | 0000000 | 00000 |