Littelfuse KLNR Series, KLSR Series Catalog Page

POWR-GARD® Fuse Datasheet

UL Class RK1

KLNR/KLSR SeRieS FUSeS

250/600 VAC • Fast-Acting • 1-600 Amperes

Specifications

Voltage Ratings: AC: 250 V (KLNR); 600 V (KLSR)
DC: 125 V (1 – 600 A KLNR) ;
250 V (1 – 30 A KLSR);
300 V (35 – 600 A KLSR).

Interrupting Ratings : AC: 200 k A rms symmetrical
DC: 20 kA

Ampere Range: 1 – 600 A
Approvals: AC: Standard 248-12, Class RK1

UL Listed (File No. E81895)
CSA Certified (File No. LR29862)
DC: Littelfuse self-certified

Description

KLSR/KLNR fuses are an economical single element design
providing the safety of an RK1 fuse.

Applications

• Resistance heaters

• Lighting circuits

• Non-inductive loads

Features/Benefits

• Extremely Current-Limiting

• Indicating and DIN mount fuseholders available

Recommended Fuseholders

LFR60 Series
LFR25 Series

Ordering Information

ampeRe Rat iNgS

1 10 40 100 250
2 12 45 110 300
3 15 50 125 350
4 20 60 150 400
5 25 70 175 450
6 30 80 200 500
8 35 90 225 600

600 V

SeRieS ampeR age Cata Log NUmbeR SyS tem NUmbe R

KLSR 90 KLSR090 KL SR090 .V

250 V

SeRieS ampeR age Cata Log NUmbeR SyS tem NUmbe R

KLNR 90 KLNR090 KL NR090 .V

Web Resources

TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/klsr

www.littelfuse.com/klnr

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©June 2011 Littelfusewww.littelfuse.com

POWR-GARD® Fuse Datasheet

UL Class RK1

Peak Let-Thru Curve KLSR

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©June 2011 Littelfusewww.littelfuse.com