LLNRK002 Littelfuse Inc, LLNRK002 Datasheet

LLNRK002

Manufacturer Part Number

LLNRK002

Description

Manufacturer

Littelfuse Inc

Type

POWR-PROr

Datasheet

1.LLNRK002.pdf (3 pages)

Specifications of LLNRK002

Acting

Slow Blow

Voltage Rating (vac)

250V

Voltage Rating (vdc)

125V

Current Rating

Mounting

Surface Mount

Product Depth (mm)

Not Requiredmm

Product Height (mm)

Not Requiredmm

Lead Free Status / RoHS Status

Not Compliant

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LLNRK/LLSRK Series POWR-PRO

250/600 VAC • Dual-Element, Time-Delay • 1/10 – 600 Amperes

Specifications

Voltage Ratings:

Interrupting Ratings:

Ampere Range:

Approvals:

AC: 250 Volts (LLNRK)

DC: 125 Volts (LLNRK)

AC: 200,000 amperes rms symmetrical

DC: 20,000 amperes

1/10 – 600 amperes

AC: Standard 248-12, Class RK1

QPL: Federal Specification No. WF-1814

DC: Littelfuse self-certified

600 Volts (LLSRK)

300 Volts (LLSRK)

300,000 amperes rms symmetrical

(Littelfuse self-certified)

UL Listed (File No: E81895)

CSA Certified (File No: LR29862)

POWR-PRO

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

Fuses

Class RK1 Fuses

Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior

overload and short-circuit protection for service entrance, main, feeder

and general-purpose branch circuits up to 600 amperes.

LLNRK/LLSRK series fuses can be installed in existing Class H fuse

blocks to upgrade systems containing lower interrupting rating Class H

one-time or renewable fuses.

Applications

All general purpose circuits

Motors

Transformers

Solenoids

Fluorescent lighting

All system components with high in-rush currents

Features/Benefits

• Extremely current-limiting — Reduces damage to circuits and

• 300kA Interrupting Rating — Littelfuse self-certified to 300,000

• Reduced costs — Current-limiting design often permits use of readily

• Excellent time-delay — True dual-element construction, with separate

Ampere Ratings

* LLSRK Only.

Example part number (series & amperage): LLNRK 450.

For online ordering, use numbers LNRK and LSRK for LLNRK/LLSRK.

Recommended Fuse Blocks

LR250 series (LLNRK Series)

LR600 series (LLSRK Series)

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

equipment under short-circuit conditions. Stops damaging short-

circuits faster than any mechanical protective device.

amperes as standard. Meets future trend towards higher available

short-circuit currents.

available, less costly equipment. Low resistance design reduces

power consumption and utility bills.

non-fatiguing thermally-reversible spring-loaded thermal overload

element, withstands repeated surges within rated time delay without

opening needlessly. Eliminates needless downtime caused by power

surges or equipment demands.

⁄

100

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75*

POWR-GARD

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Products Catalog

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Related parts for LLNRK002

LLNRK002 Summary of contents

Page 1

... Littelfuse LLNRK and LLSRK series POWR-PRO fuses provide superior overload and short-circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses. ...

Page 2

... CURRENT IN AMPERES 568003 © 2005 Littelfuse POWR-GARD Products Catalog ™ • POWR-PRO Class RK1 Fuses ® Dimensions in Inches (mm in parentheses ⁄ (12.7) 1 ⁄ (12.7) 9 ⁄ (14.3) 5 ⁄ (2. ⁄ ⁄ ⁄ ⁄ (19.1) 5 (15.9) 3 (20. ...

Page 3

... AVAILABLE FAULT CURRENT SYMMETRICAL AMPERES 05568003 POWR-PRO Fuses ® Class RK1 Fuses ® Current-Limiting Effects of LLSRK (600V) fuses Short Circuit 00A 00A 00A Current* 2,700 4,800 5,000 5,000 3,500 6,200 8,500 0,000 4,200 7,000 ...

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