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Littelfuse LLSRK series POWR-PRO™ fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes.
LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
- POWR-PRO Performance
- Indication available
- Dual-element design
- Extremely Current-Limiting
- IEC Type 2 “No Damage” protection to IEC and NEMA type motor starters
- Indicating and DIN mount fuse holders available
- Superior overload and short-circuit protection
- Ability to detect issues quickly
- Eliminates needless downtime
- Reduces or eliminates damage to circuits and equipment under short-circuit conditions
- Prevents fault current damage to healthy system equipment
- Provides design flexibility
LLSRK Parts
Filters
Showing 1 to 12 of 61 Total Results
Part Number | Actions | Current Rating (Continuous) in Amps | Interrupting Rating | Opening | Maximum AC Voltage (V) | Voltage Rating (V) | Size | Agency Approvals |
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Part Number | Actions | Current Rating (Continuous) in Amps | Interrupting Rating
| Opening | Maximum AC Voltage (V) | Voltage Rating (V) | Size | Agency Approvals | |
---|---|---|---|---|---|---|---|---|---|
0.1 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.15 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.2 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.25 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | UL / CSA / CUL | |||
0.3 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.4 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.5 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.6 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
0.8 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | UL / CSA / CUL | |||
1 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
2 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL | |||
3 | 20 kA @ 300 Vdc | Slo-Blo/Time Lag (T)/Time Delay | 600 | 300 | Industrial Cartridge | CSA / UL / CUL |
LLSRK Applications
- General-purpose circuits
- Motors
- Transformers
- Solenoids
- Fluorescent lighting
Series: LLSRK Resources
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Littelfuse Rockwell Catalog
From arc-flash relays to industrial GFCIs and voltage monitors, we can supply the electronic components needed to enhance safety and efficiency.
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Rockwell Encompass Brochure
Find protection relays, fuses, and SPDs that minimize electrical hazards and reduce costly downtime.
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MROplus Brochure
Learn how our exclusive MROplus™ program helps customers lower costs, increase plant safety, decrease downtime, and reduce inventory
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UL POWR Fuses Flyer
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How Do Fuses & Circuit Breakers Compare?
Download our white paper describing the benefits of using fuses for overcurrent protection.