0LKN300.V Littelfuse Inc, 0LKN300.V Datasheet

0LKN300.V

Manufacturer Part Number

0LKN300.V

Description

FUSE LINKS FOR RLN 250V 300A

Manufacturer

Littelfuse Inc

Series

LKNr

Datasheet

1.0LKN030.S.pdf (1 pages)

Specifications of 0LKN300.V

Voltage - Rated

250VAC

Current

300A

Package / Case

Cylindrical, Fuse Link

Size / Dimension

2.094" Dia x 8.626" L (53.20mm x 219.10mm)

Mounting Type

Holder

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Fuse Type

Color

Operating Temperature

Other names

LKN300.V

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RLN/RLS Class H Fuses

250/600 VAC • Renewable • 1 – 600 Amperes

Littelfuse RLN/RLS series renewable fuses are a quality product that

have traditionally been used to provide low cost protection of general

purpose feeder and branch circuits where available short-circuit currents

do not exceed 10,000 amperes. However, increased levels of available

fault current and the possibility that renewable fuses may be improperly

renewed is a potential safety hazard. In addition, escalating labor costs

Specifications

Voltage Ratings:

Interrupting Ratings:

Ampere Range:

Approvals:

FUSE LINKS:

AC: 250 Volts (RLN); 600 Volts (RLS)

AC: 10,000 amperes rms symmetrical

1 – 600 amperes

Standard 248-6, Class H

UL Listed (File No: E81895)

CSA Certified (File No: LR29862)

To order, specify LKN (250V) or LKS (600V) plus

ampere rating.

General Purpose Fuses

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

and increasing automation, which makes downtime very expensive,

have greatly reduced or eliminated the cost savings attributed to

renewable fuses.

We recommend the use of POWR-PRO

fuses for circuits between 250 and 600 volts and FLNR_ID series for

circuits 250 volts and below. Complete information on POWR-PRO

Indicator fuses may be found in the POWR-PRO fuse section of this

catalog. FLNR fuses are in this section of the catalog.

Cost Considerations

• When comparing the cost of using renewable fuses with the cost of

Cautions

• Renewable fuses should only be used where short-circuit currents

• After disassembly of fuse, examine carefully. Discard any fuses

• Remove all link residue from fuse tube.

• Carefully clean all contact surfaces, and remove metal spatter from

• Install the proper rated fuse link and tighten all connections

• Visually examine fuses for correct alignment of blades.

Dimensions

• For dimensions, please refer to NLN series for RLN dimensions and

Ampere Ratings

*These ampere ratings require two links per fuse.

**RLS Only.

Example part number (series & amperage): RLN 20

Recommended Fuse Blocks

LH250 series (for RLN series fuses)

LH600 series (for RLS series fuses)

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

other fuses, the labor required for replacing links and the cost of addi-

tional downtime should be included.

are known to be less than 10,000 amperes, and where correct

replacement of open links is assured.

which show evidence of weakened tube or damaged components.

all surfaces.

securely.

NLS series for RLS dimensions.

12**

8**

FLSR_ID series Indicator

•

100

110

125

150

POWR-GARD

300*

175

200

225*

250*

™

Products Catalog

350*

400*

450*

500*

600*

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