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The JLS Series fast-acting fuses provide space-saving overload and short-circuit protection for vital industrial and power conversion applications. These superior, current-limiting fuses offer fast-acting protection for surge-sensitive devices and components to prevent costly equipment damage. They are highly sensitive to changes in current flow and open within seconds of being exposed to overcurrents or power surges.
- Fast-acting
- Current-limiting
- 200,000 AIR
- Compact size
- POWR-GARD® technology
- Provides protection for equipment requiring fast overload protection
- Reduces damage caused by heating and magnetic effects of short-circuit currents
- Reliable interruption of all overcurrents up to 200,000 A
- Useful when space is limited: 4 5/8" long, 1 1/8" diameter
- Designed for maximum protection from overcurrent
JLS Parts
Filters
Showing 1 to 12 of 30 Total Results
Part Number | Actions | Current Rating (Continuous) in Amps | Interrupting Rating | Opening | Maximum AC Voltage (V) | Size | Agency Approvals |
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Part Number | Actions | Current Rating (Continuous) in Amps | Interrupting Rating
| Opening | Maximum AC Voltage (V) | Size | Agency Approvals | |
---|---|---|---|---|---|---|---|---|
1 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
3 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / UL / ECC / CUL | |||
6 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
10 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
15 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | UL / ECC / CSA / CUL | |||
20 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
25 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / UL / ECC / CUL | |||
30 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | ECC / UL / CSA / CUL | |||
35 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
40 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
45 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL | |||
50 | 200 kA @ 600 Vac | Fast-Acting (F) | 600 | Industrial Cartridge | CSA / ECC / UL / CUL |
JLS Applications
- Power conversion devices
- Variable speed drives
- Rectifiers
- Resistive loads
- Solid-state devices
Series: JLS Resources
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UL POWR Fuses Flyer
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New
UL Class CF Fuses – UL Class J Fuses Cross Reference Guide
Littelfuse offers Class J Fuses that can be used as a substitute for Class CF fuses. Utilize this guide as a cross-reference.
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How Do Fuses & Circuit Breakers Compare?
Download our white paper describing the benefits of using fuses for overcurrent protection.