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NLS35

更新时间： 2025-09-04 23:53:51

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NLS35 数据手册

NLN/NLS Class K5 Fuses

ꢀ

250/600 VAC “ONE-TIME” 1 – 600 Amperes

SPECIFICATIONS

Voltage ratings: AC: 250 Volts (NLN, NLKP)

600 Volts (NLS)

DC: 250 Volts (NLN)

400 Volts (NLS 35 – 60A)

GENERAL

PURPOSE

FUSES

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: UL Listed Class K5 per UL 248

(formerly UL 198D)

(File No. E81895)

NLKP: UL Listed Class H (File No. E81895)

NLN**/NLS/NLKP: CSA Certified per Spec No. 59.1

(File No. LR29865)‡

‡ NLKP series fuses meet CSA “Type P”

requirements.

** Excludes NLN 15 – 60A

AMPERE RATINGS

* 15

* 20

* 25

* 30

* 35

* 40

* 45

* 50

* 60

100

110

125

150

175

200

225

250

300

350

400

450

500

600

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 residen-

tial 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.

* NLKP series available only in those amperages preceded

by an asterisk.

Example part number (series & amperage): NLS 125

However, to obtain the added benefits of time-delay, current-

limitation, and higher interrupting rating, consider the use of

POWR-PRO^®IDSR Indicator^TMfuses 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.

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 infor-

mation.

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-PRO^TM

IDSR Indicator^TMfuses and FLNR/FLSR series fuses provide

superior protection for all motor and general purpose circuits

containing inductive loads.

APPLICATIONS

General purpose residential and commercial circuits with little

or no motor load.

Resistive heating loads.

ECONOMICAL

ꢀ

For use in applications where lowest initial cost is the major

consideration.

SAFETY

ꢀ

50,000 A.I.R., Class K5 — Adequate interrupting capacity

for residences and many smaller facilities.

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