POWR-GARD
®
Fuse Datasheet
Class RK1 – KlNR • KlsR seRies FUses
250/600 Vac • Fast-Acting • 1-600 A
Ordering Information
1
2
3
4
5
6
8
10
12
15
20
25
30
35
ampeRe RatiNgs
40
45
50
60
70
80
90
100
110
125
150
175
200
225
250
300
350
400
450
500
600
600 V
seRies
KLSR
ampeRage
90
Catalog NUmbeR oRdeRiNg NUmbeR
KLSR090
KLSR090.V
250 V
seRies
KLNR
ampeRage
90
Catalog NUmbeR oRdeRiNg NUmbeR
KLNR090
KLNR090.V
Description
KLSR/KLNR fuses are an economical single element design
providing the safety of an RK1 fuse.
Web Resources
Download TC Curves, CAD drawings and other technical
information:
littelfuse.com/klsr
littelfuse.com/klnr
Applications
• Resistance heaters
• Lighting circuits
• Non-inductive loads
Peak Let-Thru Curve (600 V)
KLSR
Features/Benefits
• Extremely Current-Limiting
• Indicating and DIN mount fuse holders available
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).
AC: 200 kA rms symmetrical
DC: 20 kA
1 – 600 A
AC: Standard 248-12, Class RK1
UL Listed (File: E81895)
CSA Certified (File: LR29862)
DC: Littelfuse self-certified
Interrupting Ratings
Ampere Range
Approvals
Recommended Fuse Holders
LFR60 Series - LFR25 Series
littelfuse.com
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© 2014 Littelfuse POWR-GARD
®
Products
05549002
Rev: 020614