POWR-GARD® Fuse Datasheet
CLASS K5 – NLN/NLS SERIES (ONE-TIME) FUSES
250/600 V ac • “One-Time” • 1-600 A
Specifications
Voltage Ratings
Ac: 250 V (NLN)
600 V (NLS)
Dc: 250 V (NLN)
400 V (NLS 35 – 60 A)
500 V (NLS 8 – 30 A) (NLS 225 – 600 A)
600 V (NLS 1 – 7 A) (NLS 70 – 200 A)
Interrupting Ratings
Ac: 50 kA rms symmetrical (NLN/NLS)
Dc: 20 kA (NLN/NLS 1 – 60 A)
50 kA (NLN/NLS 70 – 600 A)
Ampere Range
Approvals
1 – 600 A (NLN/NLS)
NLN/NLS: Standard 248-9, Class K5
UL Listed (File: E81895)
CSA Certified (File: LR29862)
Ordering Information
AMPERE RATINGS
1
2
3
4
5
6
7
8
10
12
*15
*20
*25
*30
*35
*40
*45
*50
*60
70
80
90
100
110
125
150
175
200
225
250
300
350
400
450
500
600
Description
NLN/NLS fuses provide low cost protection for general
purpose feeder and branch circuits when available short
circuit currents are less than 50 kA.
Applications
• General purpose residential and commercial circuits with
little or no motor load.
SERIES
NLS
NLN
AMPERAGE
CATALOG NUMBER ORDERING NUMBER
20
15
NLS020
NLN015
0NLS020.T
0NLN015.T
Features/Benefits
• Economical
• 50 kA interrupting rating
• Indicating and DIN mount holders available
Web Resources
DownloadTC Curves, CAD drawings and other technical
information: littelfuse.com/nln
littelfuse.com/nls
littelfuse.com/nlkp
Recommended Fuse Holders
LFH60 Series • LFH25 Series
Dimensions
A
E
A
D
C
C
G
B
F
D
B
FIG. 1
FIG. 2
REFER TO
FIG. NO.
DIMENSIONS INCHES (mm)
AMPERES
1 – 30
SERIES
A
B
C
D
E
F
G
1
1
9
2
2
8
16
16
NLN
NLS
NLN
NLS
NLN
NLS
NLN
NLS
NLN
NLS
NLN
NLS
2 (50.8)
5 (127.0)
3 (76.2)
5 ⁄ (139.7)
5 ⁄ (149.2)
7 ⁄ (200.0)
7 ⁄ (181.0)
9 ⁄ (244.5)
8 ⁄ (219.1)
11 ⁄ (295.3)
10 ⁄ (263.5)
13 ⁄ (339.7)
⁄
(12.7)
(19.1)
(19.1)
1 (25.4)
1 (25.4)
1 ⁄ (31.8)
1 ⁄ (38.1)
1 ⁄ (44.5)
2 (50.8)
⁄
⁄
(12.7)
(15.9)
(15.9)
(15.9)
1 (25.4)
1 (25.4)
1 ⁄ (34.9)
1 ⁄ (34.9)
1 ⁄ (47.6)
1 ⁄ (47.6)
⁄
⁄
(14.3)
(20.6)
(20.6)
—
—
—
—
—
—
—
—
—
—
—
—
1
3
5
5
5
13
4
⁄
⁄
3
13
4
8
8
16
16
⁄
⁄
⁄
35 – 60
1
2
2
2
2
1
1
2
1 ⁄ (27.0)
1 ⁄ (27.0)
1 ⁄ (33.3)
1 ⁄ (39.7)
1 ⁄ (46.8)
2 ⁄ (53.2)
2 ⁄ (65.9)
2 ⁄ (65.9)
7
1
1
1
3
5
16
8
16
8
8
4
4
⁄
⁄
(3.2)
⁄
⁄
(19.1)
(19.1)
1 ⁄ (28.6)
1 ⁄ (28.6)
1 ⁄ (41.3)
1 ⁄ (41.3)
2 (50.8)
2 (50.8)
1 ⁄ (33.3)
1 ⁄ (39.7)
1 ⁄ (47.6)
70 – 100
110 – 200
225 – 400
450 – 600
7
1
5
3
9
8
4
16
16
(3.2)
(4.8)
(4.8)
(6.4)
(6.4)
(6.4)
(6.4)
1
1
3
9
3
1
7
8
2
8
16
16
16
4
8
8
⁄
⁄
5
3
3
27
3
1
3
8
4
8
32
8
32
2 ⁄ (53.2)
5
7
3
1
5
13
8
8
32
8
32
⁄
⁄
⁄
⁄
2 ⁄ (61.1)
5
1
7
19
1
5
7
8
2
8
32
4
8
8
2 ⁄ (63.5)
2 ⁄ (63.5)
3 (76.2)
2 ⁄ (73.0)
2 ⁄ (73.0)
3
1
1
19
1
7
8
2
4
32
4
8
2 ⁄ (57.2)
3
1
3
1
7
8
4
32
4
16
2 ⁄ (57.2)
3 ⁄ (78.6)
3 ⁄ (87.3)
© 2019 Littelfuse POWR-GARD® Products
Rev: 061919
1 of 2
www.littelfuse.com
