KLSR Datasheet, PDF (1/2 Pages) Littelfuse – CLASS RK1-KLNR KLSR SERIES FUSES

POWR-GARD^® Fuse Datasheet
Class RK1 – KLNR • KLSR Series FUSES
250/600 VAC • Fast-Acting • 1-600 A
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 fuse holders available
Specifications
Voltage Ratings
Interrupting Ratings
Ampere Range
Approvals
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: S tandard 248-12, Class RK1
UL Listed (File: E81895)
CSA Certified (File: LR29862)
DC: Littelfuse self-certified
Recommended Fuse Holders
LFR60 Series • LFR25 Series
Dimensions
Please refer to the Class R dimensions
Ordering Information
ampere ratings
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
KLSR
amperage Catalog Number Ordering Number
90
KLSR090
KLSR090.V
250 V
series
KLNR
amperage Catalog Number Ordering Number
90
KLNR090
KLNR090.V
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: w ww.littelfuse.com/klsr
www.littelfuse.com/klnr
Peak Let-Thru Curve (600 V)
KLSR
www.littelfuse.com
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© 2012 Littelfuse POWR-GARD^® Products
Rev: 083012
05549002