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Littelfuse
Littelfuse

NLN Datasheet Preview

NLN Datasheet

Class K5 Fuses

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NLN pdf
NLN/NLS Class K5 Fuses
250/600 VAC I “ONE-TIME” I 1 – 600 Amperes
www.datasheet4u.com
NLN and NLS series fuses provide low cost protection for
general purpose feeder and branch circuits when available
short circuit currents are less than 50,000 amperes. They
replace all Class H fuses which have only a 10,000 ampere
interrupting rating. They are suitable for use in many resi-
dential and smaller commercial and industrial applications.
NLKP series fuses are Canadian “Code” fuses specifically
designed to meet Canadian Electrical Code Type P fuse
requirements for residential use. They have a 10,000
ampere interrupting rating.
However, to obtain the added benefits of time-delay, current-
limitation, and higher interrupting rating, consider the use of
POWR-PRO® IDSR IndicatorTM fuses for circuits between
250 and 600 volts. The user gets all the benefits of time-delay
RK5 fuses plus the added benefits of an indicating fuse that
tells when it has opened. Complete information on these
fuses may be found in the POWR-PRO® section of this
catalog. For circuits up to 250 volts, see FLNR fuses in this
section of the catalog.
APPLICATIONS
General purpose residential and commercial circuits with
little or no motor load.
Resistive heating loads.
ECONOMICAL
I For use in applications where lowest initial cost is the
major consideration.
SAFETY
I 50,000 A.I.R., Class K5 — Adequate interrupting capacity
for residences and many smaller facilities.
SPECIFICATIONS
Voltage Ratings: AC: 250 Volts (NLN, NLKP)
600 Volts (NLS)
DC: 250 Volts (NLN)
400 Volts (NLS 35 – 60A)
500 Volts (NLS 8 – 15A)
(NLS 225 – 600A)
600 Volts (NLS 1 – 7A)
(NLS 20 – 30A)
(NLS 70 – 200A)
Interrupting Ratings:
AC: 50,000 amperes rms symmetrical (NLN/NLS)
10,000 amperes (NLKP)
DC: 20,000 amperes (NLN/NLS 1 – 60A)
50,000 amperes (NLN/NLS 70 – 600A)
Ampere Range: 1– 600 amperes (NLN/NLS)
15 – 60 amperes (NLKP)
Approvals: NLN/NLS: Standard 248-9, Class K5
UL Listed (File No: E81895)
CSA Certified (File No: LR29862)**
**Excludes NLN 15-60A
NLKP: Standard 248-6, Class H
UL Listed (File No: E81895)
CSA Certified (File No: LR29865)
Meets CSA “Type P” requirements
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.
Example part number (series & amperage): NLS 125
RECOMMENDED FUSE BLOCKS
LH250 series (for NLN and NLKP series fuses)
LH600 series (for NLS series fuses)
Refer to Fuse Block section of this catalog for additional
information.
NOTE: NLKP series fuses have limited interrupting rating and
should be used only where available short circuit current is
known to be less than the fuse interrupting rating. Where
available fault current is unknown, where it exceeds NLN/NLS
interrupting rating, or where it may increase in the future,
200,000 ampere interrupting rating Littelfuse POWR-PROTM
FLNR_ID/FLSR_ID IndicatorTM fuses and FLNR/FLSR series
fuses provide superior protection for all motor and general
purpose circuits containing inductive loads.
34



Littelfuse
Littelfuse

NLN Datasheet Preview

NLN Datasheet

Class K5 Fuses

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NLN pdf
NLN/NLS Class K5 Fuses
250/600 VAC I “ONE-TIME” I 1 – 600 Amperes
A
C
B
D
A
C
B
www.datasheet4u.com FIG. 1
FIG. 2
E
FD
AMPERES
1 – 30
35 – 60
70 – 100
110 – 200
225 – 400
450 – 600
REFER TO
FIG. NO.
1
1
SERIES
NLN
NLKP
NLS
NLN
NLKP
NLS
NLN
2
NLS
NLN
2
NLS
NLN
2
NLS
NLN
2
NLS
A
2
(50.8)
5
(127.0)
3
(76.2)
5-1/2
(139.7)
5-7/8
(149.2)
7-7/8
(200.0)
7-1/8
(181.0)
9-5/8
(244.5)
8-5/8
(219.1)
11-5/8
(295.3)
10-3/8
(263.5)
13-3/8
(339.7)
B
1/2
(12.7)
3/4
(19.1)
3/4
(19.1)
1
(25.4)
1
(25.4)
1-1/4
(31.8)
1-1/2
(38.1)
1-3/4
(44.5)
2
(50.8)
2-1/2
(63.5)
2-1/2
(63.5)
3
(76.2)
DIMENSIONS IN INCHES (mm in parentheses)
C
1/2
(12.7)
5/8
(15.9)
5/8
(15.9)
5/8
(15.9)
1
(25.4)
1
(25.4)
1-3/8
(34.9)
1-3/8
(34.9)
1-7/8
(47.6)
1-7/8
(47.6)
2-1/4
(57.2)
2-1/4
(57.2)
D
9/16
(14.3)
13/16
(20.6)
13/16
(20.6)
1-1/16
(27.0)
1-1/16
(27.0)
1-5/16
(33.3)
1-9/16
(39.7)
1-27/32
(46.8)
2-3/32
(53.2)
2-19/32
(65.9)
2-19/32
(65.9)
3-3/32
(78.6)
E
1/8
(3.2)
1/8
(3.2)
3/16
(4.8)
3/16
(4.8)
1/4
(6.4)
1/4
(6.4)
1/4
(6.4)
1/4
(6.4)
F
3/4
(19.1)
3/4
(19.1)
1-1/8
(28.6)
1-1/8
(28.6)
1-5/8
(41.3)
1-5/8
(41.3)
2
(50.8)
2
(50.8)
G
G
1-5/16
(33.3)
1-9/16
(39.7)
1-7/8
(47.6)
2-3/32
(53.2)
2-13/32
(61.1)
2-7/8
(73.0)
2-7/8
(73.0)
3-7/16
(87.3)
NLN
1000
800
600
400
300
200
100
80
60
40
30
20
10
8
6
4
3
2
1
.8
.6
.4
.3
.2
.1
.08
.06
.04
.03
.02
.01
CURRENT IN AMPERES
NLS
1000
800
600
400
300
200
100
80
60
40
30
20
10
8
6
4
3
2
1
.8
.6
.4
.3
.2
.1
.08
.06
.05
.04
.03
.02
.01
CURRENT IN AMPERES
35


Part Number NLN
Description Class K5 Fuses
Maker Littelfuse
Total Page 2 Pages
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