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About Fuses
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Decipher key specs from your fuse’s label and cross-reference manufacturer part numbers to find a suitable replacement.
UL Class J Fast-Acting Fuses for Tight Spaces
 |
Knife-Blade Cartridge Fuse |
These fuses open circuits quickly when surges are detected. More compact than UL Class RK1 or RK5 fuses, they are suitable for tight spaces. Use with Fuse Blocks for UL Class J Fuses.
Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.
Each | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Current, amp | Fuse UL Class | Voltage, V AC | Breakthrough Current @ Voltage | Overall Lg. | No. of Elements | Cartridge Fuse Type | Fuse Protection Type | With Blown Fuse Indicator | Rejection-Style End | Certification | UL File No. | 1-9 | 10-Up | |||
Manufacturer Equivalent Fuse: A4J, JKS, JLS | ||||||||||||||||
1 1/8" Overall Diameter | ||||||||||||||||
| 100 | J | 600 | 200,000 amp @ 600V AC | 4 5/8" | 1 | Knife Blade | Fast Acting | No | No | UL Listed, CSA Certified | E4273 | 6985K732 | 0000000 | 000000 | ||
EachIn stock  Select a compatible file type: Parasolid | ||||||||||||||||
