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KLNR012.T

P1-P2
POWR-GARD
®
Fuse Datasheet
© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020614
littelfuse.com
1 of 2

250/600 Vac • Fast-Acting • 1-600 A

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
Web Resources
Download TC Curves, CAD drawings and other technical
information: littelfuse.com/klsr
littelfuse.com/klnr
05549002
Peak Let-Thru Curve (600 V)
Ordering Information
   
KLSR 90 KLSR090 KLSR090.V
600 V
250 V
   
KLNR 90 KLNR090 KLNR090.V
KLSR
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 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 kA rms symmetrical
DC: 20 kA
Ampere Range 1 – 600 A
Approvals AC: Standard 248-12, Class RK1
UL Listed (File: E81895)
CSA Certified (File: LR29862)
DC: Littelfuse self-certified
Recommended Fuse Holders
LFR60 Series - LFR25 Series
POWR-GARD
®
Fuse Datasheet
© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020614
littelfuse.com
2 of 2

AMPS




A C J K
1
/
10
–30
1
KLNR 2 (50.8)
1
⁄
2
(12.7)
1
⁄
2
(12.7)
9
⁄
16
(14.3)
5
⁄
64
(2.0)
5
⁄
32
(4.0)
3
⁄
8
(9.5)
— — —
KLSR 5 (12 7.0)
3
⁄
4
(19.1)
5
⁄
8
(15.9)
13
⁄
16
(20.6)
3
⁄
32
(2.4)
3
⁄
16
(4.8)
5
⁄
8
(15.9)
— —
—
35 – 60
1
KLNR 3 (76.2)
3
⁄
4
(19.1)
5
⁄
8
(15.9)
13
⁄
16
(20.6)
3
⁄
32
(2.4)
3
⁄
16
(4.8)
5
⁄
8
(15.9)
— — —
KLSR
5
1
⁄
2
(139.7)
1 (25.4)
5
⁄
8
(15.9) 1
1
⁄
16
(27.0)
3
⁄
32
(2.4)
1
⁄
4
(6.4)
7
⁄
8
(22.2)
— — —
70 – 100
2
KLNR
5
7
⁄
8
(149.2)
1 (25.4)
1
1
⁄
16
(27.0) 1
1
⁄
16
(27.0)
1
⁄
8
(3.2)
3
⁄
4
(19.1)
—
1
⁄
4
(6.4)
9
⁄
32
(7.1)
1
⁄
2
(12.7)
KLSR
7
7
⁄
8
(200.0) 1
1
⁄
4
(31.8) 1
1
⁄
16
(27.0) 1
5
⁄
16
(33.3)
1
⁄
8
(3.2)
3
⁄
4
(19.1)
—
1
⁄
4
(6.4)
9
⁄
32
(7.1)
1
⁄
2
(12.7)
110 – 200
2
KLNR
7
1
⁄
8
(181.0) 1
1
⁄
2
(38.1) 1
15
⁄
32
(3 7.3) 1
19
⁄
32
(40.5)
3
⁄
16
(4.8) 1
1
⁄
8
(28.6)
—
7
⁄
16
(11.1)
9
⁄
32
(7.1)
11
⁄
16
(17.5)
KLSR
9
5
⁄
8
(244.5) 1
3
⁄
4
(44.5) 1
15
⁄
32
(3 7.3) 1
27
⁄
32
(46.8)
3
⁄
16
(4.8) 1
1
⁄
8
(28.6)
—
7
⁄
16
(11.1)
9
⁄
32
(7.1)
11
⁄
16
(17.5)
225 – 400
2
KLNR
8
5
⁄
8
(219.1)
2 (50.8)
1
15
⁄
16
(49.2) 2
3
⁄
32
(53.2)
1
⁄
4
(6.4) 1
5
⁄
8
(41.3)
—
5
⁄
8
(15.9)
13
⁄
32
(10.3)
15
⁄
16
(23.8)
KLSR
11
5
⁄
8
(295.3) 2
1
⁄
2
(63.5)
2 (50.8)
2
19
⁄
32
(65.9)
1
⁄
4
(6.4) 1
5
⁄
8
(41.3)
—
5
⁄
8
(15.9)
13
⁄
32
(10.3)
15
⁄
16
(23.8)
45 0 – 600 2
KLNR
10
3
⁄
8
(263.5) 2
1
⁄
2
(63.5) 2
3
⁄
8
(60.3) 2
19
⁄
32
(65.9)
1
⁄
4
(6.4)
2 (50.8) —
3
⁄
4
(19.1)
17
⁄
32
(13.5) 1
1
⁄
8
(28.6)
KLSR
13
3
⁄
8
(339.7)
3 (76.2)
2
13
⁄
32
(61.1) 3
3
⁄
32
(78.6)
1
⁄
4
(6.4)
2 (50.8) —
3
⁄
4
(19.1)
17
⁄
32
(13.5) 1
1
⁄
8
(28.6)
A
F
E
C
D
G
B
A
J
K
H
B
C
F
D
70-600A
FIG. 1 FIG. 2
E
Dimensions
P1-P2

KLNR012.T

Mfr. #:
Buy KLNR012.T
Manufacturer:
Littelfuse
Description:
Industrial & Electrical Fuses 12A 250VAC 125VDC Class RK1
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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