FLSR250.XXID Littelfuse Inc, FLSR250.XXID Datasheet

FLSR250.XXID

Manufacturer Part Number

FLSR250.XXID

Description

FUSE DUAL ELEMENT T-LAG 250A 600

Manufacturer

Littelfuse Inc

Series

FLSRr

Datasheet

1.FLNR030.T.pdf (4 pages)

Specifications of FLSR250.XXID

Voltage - Rated

600VAC, 300VDC

Current

250A

Fuse Type

Slow Blow, Time Lag

Package / Case

Bolt Mount

Size / Dimension

2.843" Dia x 11.626" L (72.20mm x 295.30mm)

Mounting Type

Bolt Mount

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Color

Operating Temperature

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Specifications

Voltage Ratings:

Interrupting Ratings:

Ampere Range:

Approvals:

FLNR_ID/FLSR_ID Indicator

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

Littelfuse FLNR_ID/FLSR_ID Indicator fuses provide blown fuse

indication at a glance. The patented state-of-the-art solid state design

provides maximum reliability and superior performance characteristics

in a true dual-element design. The use of Indicator fuses reduces

downtime and nuisance openings, increases safety, and can save

thousands of dollars in lost production time.

•

POWR-GARD

AC: 250 Volts (FLNR_ID);

DC: 125 Volts (FLNR

AC: 200,000 amperes rms symmetrical

DC: 20,000 amperes

Standard 248-12, Class RK5

UL Listed (File No: E81895)

CSA Certified (File No: LR29862)

QPL: Federal Specification WF-1814

⁄

™

– 600 amperes

Products Catalog

600 Volts (FLSR_ID)

125 Volts (FLNR_ID 35 – 600A);

300 Volts (FLSR_ID)

300,000 amperes rms sym met ri cal

(Littelfuse self-certified)

⁄

– 30A);

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

Class RK5 Fuses

General Purpose Fuses

Ampere Ratings

*FLSR_ID only **FLNR only

Ex am ple part number (series & am per age): FLSR100ID

NOTE: For

NOTE: All FLNR_ID fuses rated 35 – 600A are Indicator fuses.

NOTE: All FLSR_ID fuses rated 1 amp and above are Indicator fuses.

Recommended Fuse Blocks

LR250 series (for FLNR_ID series fuses)

LR600 series (for FLSR_ID series fuses)

Refer to Blocks & Holders section of this catalog for ad di tion al in for ma tion.

Applications

Service entrance switches

Switchboard main and feeder switches

Motor control center mains and motor branch circuits

Individual fused combination motor controllers

Distribution panelboards

Industrial control panels

Protection of fully rated panelboards and loadcenters

All general purpose circuits

Features/Benefits

• Reduce Downtime — A glance at the indicating window of a FLNR_ID

• Reduce Nuisance Opening — FLNR_ID and FLSR_ID Indicator

• Reduce Fuse Inventory — Because FLNR_ID and FLSR_ID Indicator

• Reduce Equipment Damage — FLNR_ID and FLSR_ID Indicator

• Reduce Accidents — The FLNR_ID and FLSR_ID Indicator fuses

or FLSR_ID Indicator fuse pinpoints open fuses. If the indicating strip

is black, the fuse has opened. It’s that simple.

fuses have superior time-delay and cycling characteristics which can

lengthen fuse life and decrease needless opening.

fuses have superior performance characteristics, they can be used on a

variety of ap pli ca tions, thus decreasing fuse inventory.

fuses have superior overload and short-circuit protection which can

reduce equipment damage.

improve safety by minimizing exposure to live circuits. Unlike other

forms of blown fuse indication, it doesn’t matter if the power is on

or off. No second guessing whether a light means a fuse is good or

bad, and no current going across a blown fuse to power a lighted

accessory.

⁄

100

⁄

– 30 ampere 250 volt fuses, order non-indicating FLNR series fuses.

⁄

75*

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Related parts for FLSR250.XXID

FLSR250.XXID Summary of contents

Page 1

... FLNR series fuses NOTE: All FLNR_ID fuses rated 35 – 600A are Indicator fuses. NOTE: All FLSR_ID fuses rated 1 amp and above are Indicator fuses. Recommended Fuse Blocks LR250 series (for FLNR_ID series fuses) LR600 series (for FLSR_ID series fuses) Refer to Blocks & ...

Page 2

... For additional application information request Product Bulletin EL-4 FLNR 1000 800 600 400 300 200 100 .08 .06 .04 .03 .02 .01 CURRENT IN AMPERES 30 General Purpose Fuses Class RK5 Fuses ® Dimensions In Inches (mm in parentheses ⁄ (12.7) 1 ⁄ (12.7) 9 ⁄ (14.3) 5 ⁄ ⁄ (19.1) ⁄ (15.9) ⁄ (20.6) ⁄ 3 ...

Page 3

... FLNR_ID/FLSR_ID Indicator 250/600 VAC • Dual-Element, Time Delay • 1/10 – 600 Amperes Current-Limiting Effects of FLNR_ID (250V) fuses Short-Circuit Current* 30A 5,000 1,400 10,000 1,550 15,000 2,000 20,000 2,250 25,000 2,400 30,000 2,550 35,000 2,650 40,000 2,800 50,000 3,000 60,000 3,200 ...

Page 4

... AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES 32 General Purpose Fuses Class RK5 Fuses ® FLSR_ID 1000 800 600 400 300 200 100 ...

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