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Decipher key specs from your fuse’s label and cross-reference manufacturer part numbers to find a suitable replacement.
Fuses for Sensitive Electronics
 |  |
Ferrule Cartridge Fuse | Knife-Blade Cartridge Fuse |
With a quicker response than standard fast-acting fuses, these fuses provide the best protection for sensitive electronics.
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.
Current, amp | 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 | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Manufacturer Equivalent Fuse: A30QS, FWX, L25S | |||||||||||||
9/16" Overall Diameter | |||||||||||||
| 10 | 250 | 200,000 amp @ 250V AC | 2" | 1 | Ferrule | Fast Acting | No | No | UL Recognized Component | 74475K211 | 000000 | ||
| 20 | 250 | 200,000 amp @ 250V AC | 2" | 1 | Ferrule | Fast Acting | No | No | UL Recognized Component | 74475K212 | 00000 | ||
| 25 | 250 | 200,000 amp @ 250V AC | 2" | 1 | Ferrule | Fast Acting | No | No | UL Recognized Component | 74475K214 | 00000 | ||
| 30 | 250 | 200,000 amp @ 250V AC | 2" | 1 | Ferrule | Fast Acting | No | No | UL Recognized Component | 74475K213 | 00000 | ||
13/16" Overall Diameter | |||||||||||||
| 40 | 250 | 200,000 amp @ 250V AC | 3 3/16" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K221 | 00000 | ||
| 50 | 250 | 200,000 amp @ 250V AC | 3 3/16" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K222 | 00000 | ||
| 60 | 250 | 200,000 amp @ 250V AC | 3 3/16" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K223 | 00000 | ||
1 1/4" Overall Diameter | |||||||||||||
| 80 | 250 | 200,000 amp @ 250V AC | 3 1/8" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K231 | 000000 | ||
| 100 | 250 | 200,000 amp @ 250V AC | 3 1/8" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K232 | 000000 | ||
| 200 | 250 | 200,000 amp @ 250V AC | 3 1/8" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K233 | 000000 | ||
1 1/2" Overall Diameter | |||||||||||||
| 400 | 250 | 200,000 amp @ 250V AC | 3 13/16" | 1 | Knife Blade | Fast Acting | No | No | UL Recognized Component | 74475K242 | 000000 | ||
