POWR-GARD® Fuse Datasheet
© 2012 Littelfuse POWR-GARD® Productswww.littelfuse.com
Rev: 083012
1 of 1
CLASS K5 – NLN/NLS SERIES (ONE-TIME) FUSES
250/600 VAC • “One-Time” • 1-600 A
AMPERE RATINGS
1 7 *25 *60 125 300
2 8 *30 70 150 350
3 10 *35 80 175 400
4 12 *40 90 200 450
5 *15 *45 100 225 500
6 *20 *50 110 250 600
*NLKP series available only in those amperages preceded by an asterisk.
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/nln
www.littelfuse.com/nls
www.littelfuse.com/nlkp
Recommended Fuse Holders
LFH60 Series • LFH25 Series
Ordering Information
SERIES AMPERAGE CATALOG NUMBER ORDERING NUMBER
NLS 20 NLS020 0NLS020.T
NLN 15 NLN015 0NLN015.T
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 NLKP Type P fuse available. See Web Resources
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
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 A (NLN/NLS)
Approvals NLN/NLS: Standard 248-9, Class K5
UL Listed (File: E81895)
CSA Certified (File: LR29862)
A
CC
D
A
E
B
BFD G
FIG. 1 FIG. 2
AMPERES REFER TO
FIG. NO. SERIES DIMENSIONS INCHES (mm)
A B C D E F G
1 – 30 1NLN 2 (50.8) 1⁄2 (12.7) 1⁄2 (12.7) 9⁄16 (14.3) — — —
NLS 5 (127.0) 3⁄4 (19.1) 5⁄8 (15.9) 13⁄16 (20.6) — — —
35 – 60 1NLN 3 (76.2) 3⁄4 (19.1) 5⁄8 (15.9) 13 ⁄16 (20.6) — — —
NLS 51⁄2 (139.7) 1 (25.4) 5⁄8 (15.9) 11⁄16 (27.0 ) — — —
70 – 100 2NLN 57⁄8 (149.2) 1 (25.4) 1 (25.4) 11⁄16 ( 27.0 ) 1⁄8 (3.2) 3⁄4 (19.1) 15⁄16 (33.3)
NLS 77⁄8 (200.0) 11⁄4 (31.8) 1 (25.4) 15⁄16 (33.3) 1⁄8 (3.2) 3⁄4 (19.1) 19⁄16 (39.7)
110 – 200 2NLN 71⁄8 (181.0) 11⁄2 (38.1) 13⁄8 (34.9) 19⁄16 (39.7) 3⁄16 (4.8) 11⁄8 (28.6) 17⁄8 (47.6 )
NLS 95⁄8 (244.5) 13⁄4 (44.5) 13⁄8 (34.9) 127⁄32 (46.8) 3⁄16 (4.8) 11⁄8 (28.6) 23⁄32 (53.2)
225 – 400 2NLN 85⁄8 (219.1) 2 (50.8) 17⁄8 (47.6 ) 23⁄32 (53.2) 1⁄4 (6.4) 15⁄8 (41.3) 213⁄32 (61.1)
NLS 11 5⁄8 (295.3) 21⁄2 (63.5) 17⁄8 (47.6 ) 219 ⁄32 (65.9) 1⁄4 (6.4) 15⁄8 (41.3) 27⁄8 (73.0)
450 – 600 2NLN 10 3⁄8 (263.5) 21⁄2 (63.5) 21⁄4 (57.2) 219 ⁄32 (65.9) 1⁄4 (6.4) 2 (50.8) 27⁄8 (73.0)
NLS 13 3⁄8 (339.7) 3 (76.2) 21⁄4 (57.2) 33⁄32 (78.6) 1⁄4 (6.4) 2 (50.8) 37⁄16 ( 87.3)
Dimensions
