NLN300 Littelfuse Inc, NLN300 Datasheet

NLN300

Manufacturer Part Number

NLN300

Description

Manufacturer

Littelfuse Inc

Type

General Purposer

Datasheet

1.NLN300.pdf (2 pages)

Specifications of NLN300

Acting

Slow Blow

Voltage Rating (vac)

250V

Voltage Rating (vdc)

250V

Current Rating

300A

Operating Temp Range

-55C to 125C

Mounting

Surface Mount

Lead Free Status / RoHS Status

Not Compliant

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NLN/NLS Class K5 Fuses

250/600 VAC • “One-Time” • 1 – 600 Amperes

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.

Specifications

Voltage Ratings:

Interrupting Ratings:

Ampere Range:

Approvals:

AC: 250 Volts (NLN, NLKP)

DC: 250 Volts (NLN)

AC: 50,000 amperes rms symmetrical (NLN/NLS)

DC: 20,000 amperes (NLN/NLS 1 – 60A)

1– 600 amperes (NLN/NLS)

15 – 60 amperes (NLKP)

NLN/NLS: Standard 248-9, Class K5

NLKP:

600 Volts (NLS)

400 Volts (NLS 35 – 60A)

500 Volts (NLS 8 – 30A)

600 Volts (NLS 1 – 7A)

10,000 amperes (NLKP)

50,000 amperes (NLN/NLS 70 – 600A)

UL Listed (File No: E81895)

CSA Certified (File No: LR29862)**

**Excludes NLN 15-60A

Standard 248-6, Class H

UL Listed (File No: E81895)

CSA Certified (File No: LR29865)

Meets CSA “Type P” requirements

General Purpose Fuses

(NLS 225 – 600A)

(NLS 70 – 200A)

w w w . l i t t e l f u s e . c o m

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

higher interrupting rating, consider the use of POWR-PRO

FLSR_ID Indicator

benefits of time-delay RK5 fuses plus the added benefits of an indicating

fuse that shows when it has opened. Complete information on these

fuses may be found in the POWR-PRO fuse 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

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

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

FLNR_ID/FLSR_ID Indicator fuses and FLNR/FLSR series fuses provide

superior protection for all motor and general purpose circuits containing

inductive loads.

Ampere Ratings

* 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 the Blocks & Holders section of this catalog for additional information.

motor load.

residences and many smaller facilities.

*15

*20

fuses for circuits up to 600 volts. The user gets all the

*30

*35

*50

*25

*40

*45

*60

100

110

•

POWR-GARD

125

150

175

200

225

250

™

FLNR_ID and

Products Catalog

300

350

400

450

500

600

Related parts for NLN300

NLN300 Summary of contents

Page 1

... RK5 fuses plus the added benefits of an indicating fuse that shows when it has opened. Complete information on these fuses may be found in the POWR-PRO fuse 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 ...

Page 2

... NLN/NLS Class K5 Fuses 250/600 VAC • “One-Time” • 1 – 600 Amperes FIG. 1 Refer to Amperes Series Fig. No. NLN 2 (50.8) NLKP 1 – NLS 5 (127.0) NLN 3 (76.2) NLKP 35 – NLS 5 ⁄ 1 NLN 5 7 ⁄ 70 – 100 2 NLS 7 7 ⁄ 8 NLN 7 ⁄ 1 110 – 200 ...

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