Littelfuse NLN Series, NLS Series Catalog Page
POWR-GARD® Fuse Datasheet
UL Class K5
NLN/NLS SERIES (ONE-TIME) FUSES
250/600 VAC • “One-Time” • 1-600 Amperes
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: 1 – 600 amperes (NLN/NLS)
Approvals: NLN/NLS: Standard 248-9, Class K5
UL Listed (File No. E81895)
CSA Certified (File No. LR29862)
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 .
Canadian Electrical Code NLK P Type P fuse available. See Web Re sour ces
links for more information.
Applications
• General purpose residential and commercial circuits with
little or no motor load.
Features/Benefits
• Economical
• 50 kA interrupting rating
• Indicating and DIN mount holders available
Ordering Information
1 7 *25 *60 125 300
2 8 *30 70 15 0 350
3 10 *35 80 17 5 400
4 12 *40 90 200 450
5 *15 *4 5 100 225 500
6 *20 *50 110 250 600
*NLK P series available only in those amperages preceded by an asterisk.
SERIES AMPER AGE CATA LOG NUMBE R SYS TEM NUMBER
NLS 20 NLS020 0NLS020.T
NLN 15 NLN015 0NLN015.T
AMPERE R ATINGS
Web Resources
TC Curves, downloadable CAD drawings and other technical
information:
www.littelfuse.com/nln
www.littelfuse.com/nls
www.littelfuse.com/nlkp
Recommended Fuseholders
LFH60 Series
LFH25 Series
1
© JUNE 2011 Littelfuse POWR-GARD Productswww.littelfuse.com
POWR-GARD® Fuse Datasheet
A
E
UL Class K5
NLN/NLS SERIES (ONE-TIME) FUSES
Dimensions in inches (mm)
AMPERES
REF ER TO
FIG. NO.
1 – 30 1
35 – 60 1
70 – 100 2
110 – 200 2
225 – 400 2
450 – 600 2
B
FIG. 1
C
SERIES
NLN 2 (50.8)
NLS 5 (127.0)
NLN 3 (76.2)
NLS 5
NLN 5
NLS 7
NLN 7
NLS 9
NLN 8
NLS 11
NLN 10
NLS 13
D
B
C
FD
G
FIG. 2
DIMENSIONS IN INCHE S (mm IN PARENTHESES)
A B C D E F G
A
1
⁄2 (12.7 )
3
⁄4 (19 .1)
3
⁄4 (19 .1)
1
⁄2 (139.7) 1 (25.4)
7
⁄8 (149.2) 1 (25.4) 1 (25.4) 11⁄16 (27.0 )
7
⁄8 (200.0) 11⁄4 (31.8 ) 1 (25.4) 15⁄16 (33.3)
1
⁄8 (181.0 ) 11⁄2 (38.1 ) 13⁄8 (34.9) 19⁄16 (39.7)
5
⁄8 (244.5) 13⁄4 (44.5) 13⁄8 (34.9) 127⁄32 (46.8)
5
⁄8 (219.1) 2 (50.8 ) 17⁄8 (47. 6) 23⁄32 (53.2)
5
⁄8 (295.3) 21⁄2 (63.5) 17⁄8 (47. 6) 219⁄32 (65.9)
3
⁄8 (263.5) 21⁄2 (63.5) 21⁄4 (5 7. 2 ) 219⁄32 (65.9)
3
⁄8 (339.7) 3 (76.2) 21⁄4 (5 7. 2 ) 33⁄32 (78.6)
1
⁄2 (12.7 )
5
⁄8 (15.9)
5
⁄8 (15.9)
5
⁄8 (15.9) 11⁄16 (27.0 ) — — —
9
⁄16 (14.3) — — —
13
⁄16 (20.6) — — —
13
⁄16 (20.6) — — —
1
⁄8 (3.2)
1
⁄8 (3.2)
3
⁄16 (4.8) 11⁄8 (28.6) 17⁄8 (47. 6)
3
⁄16 (4.8) 11⁄8 (28.6) 23⁄32 (53.2)
1
⁄4 (6.4) 15⁄8 (41. 3 ) 213⁄32 (61.1)
1
⁄4 (6.4) 15⁄8 (41. 3 ) 27⁄8 (73.0)
1
⁄4 (6.4) 2 (50.8) 27⁄8 (73.0)
1
⁄4 (6.4) 2 (50.8) 37⁄16 (8 7. 3 )
3
⁄4 (19 .1) 15⁄16 (33.3)
3
⁄4 (19 .1) 19⁄16 (39.7)
2
© JUNE 2011 Littelfuse POWR-GARD Productswww.littelfuse.com
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