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About Fuses
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UL Class RK5 Fuses
Also known as dual-element fuses, these time-delay fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. They have a rejection-style end design that safeguards against replacement errors. Use with Fuse Blocks for UL Class RK5 Fuses.
Breakthrough current, labeled on the fuse as IR, 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 | Blown Fuse Indicator | Specifications Met | UL File Number | CSA File Number | 1-9 | 10-Up | |
Manufacturer Equivalent: FLN-R, FRN-R, TR-R | |||||||||||||
| 600 | 250V DC/250V AC | 20,000 A @ 250 V DC 200,000 A @ 250 V AC | 10 3/8" | 2 7/8" | 2 | Knife Blade | No | UL Listed, CSA Certified | E4273 | 053787_C_000 | 00000000 | 0000000 | 0000000 |
Manufacturer Equivalent: FLS-R, FRS-R, TRS-R | |||||||||||||
| 600 | 600V AC/300V DC | 20,000 A @ 300 V DC 200,000 A @ 600 V AC | 13 3/8" | 2 7/8" | 2 | Knife Blade | No | UL Listed, CSA Certified | E4273 | 053787_C_000 | 00000000 | 000000 | 000000 |
UL Class RK1 Time-Delay Fuses
Also known as dual-element fuses, these fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. They have a rejection-style end design that safeguards against replacement errors. Designed for use with Fuse Blocks for UL Class RK1 Fuses.
Breakthrough current, labeled on the fuse as IR, 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: A6D-R, LLS-RK, LPS-RK | ||||||||||
| 600 | 600V AC/300V DC | 100,000 A @ 300 V DC 300,000 A @ 600 V AC | 13 3/8" | 2 7/8" | 2 | Knife Blade | UL Listed, CSA Certified | 00000000 | 0000000 | 0000000 |
Fuses for Sensitive Electronics
With a quicker response than standard fast-acting fuses, these fuses provide the best protection for sensitive electronics.
Breakthrough current, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.
For technical drawings and 3-D models, click on a part number.
Overall | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Current, A | Voltage | Breakthrough Current | Lg. | Dia. | No. of Elements | Cartridge Fuse Style | Protection Type | Specifications Met | Each | |
Manufacturer Equivalent: A50QS, FWH, L50S | ||||||||||
| 600 | 500V AC | 200,000 A @ 500 V AC | 4 5/16" | 2" | 1 | Knife Blade | Fast Acting | UL Recognized Component | 000000000 | 0000000 |
Fast-Acting Lift Truck Fuses
These fuses open circuits quickly when surges are detected. Use them on battery-operated lift trucks.
Breakthrough current, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.
Fuses with blown fuse indicator have a dot on the side that changes color when the fuse blows.
For technical drawings and 3-D models, click on a part number.