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Fuses > Littelfuse Fuses > Class RK1


Industrial Power Fuses
Class RK1


KLNR Series
250 Vac • Fast-Acting • 1-600 Amp
KLNR Series Series Image


Description
KLNR fuses are an economical single element design providing the safety of an RK1 fuse.
Features/Benefits
• Extremely Current-Limiting

Applications
• Resistance heaters
• Lighting circuits
• Non-inductive loads

 

KLSR Series
600 Vac • Fast-Acting • 1-600 Amp
KLSR Series Series Image


Description
KLSRR fuses are an economical single element design providing the safety of an RK1 fuse.
Features/Benefits
• Extremely Current-Limiting

Applications
• Resistance heaters
• Lighting circuits
• Non-inductive loads

 

LLNRK Series
250 Vac • Dual Element • Time-Delay • 1/10-600 Amp
LLNRK Series Series Image


Description
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.

Features/Benefits
• POWR-PRO Performance
• Indication available
• Dual-element design
• Extremely Current-Limiting
• IEC Type 2 “No Damage” protection to IEC and NEMA type motor starters

Applications
• All general purpose circuits • Motors
• Transformers
• Safety upgrades

 

LLSRK Series
600 Vac • Dual Element • Time-Delay • 1/10-600 Amp
LLSRK Series Series Image


Description
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.

Features/Benefits
• POWR-PRO Performance
• Indication available
• Dual-element design
• Extremely Current-Limiting
• IEC Type 2 “No Damage” protection to IEC and NEMA type motor starters

Applications
• All general purpose circuits • Motors
• Transformers
• Safety upgrades

 

LLSRK_ID Series
600 Vac • Dual Element • Time-Delay • 1/10-600 Amp • Indicating
LLSRK_ID Series Series Image


Description
RK1 fuses are extremely current-limiting fuses meaning they greatly reduce or eliminate damage to circuits and equipment under short-circuit conditions. Replacing existing Class H, K and RK5 fuses with RK1 fuses is one of the easiest ways to immediately improve the protection of plant workers and equipment.

Features/Benefits
• 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

Applications
• All general purpose circuits • Motors
• Transformers
• Safety upgrades

 

**Specifications subject to changes**