Datasheet > LFH251003

LFH251003

更新时间： 2022-02-26 09:26:26

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
6页	2228K
描述
LF SEIRES CLASS H/K5 AND R FUSE BLOCKS

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LFH251003 数据手册

POWR-GARD^®Blocks and Holders Datasheet

LF SerieS CLaSS H/K5 and r FuSe bLoCKS

250 V • 600 V

Speciﬁcations

Voltage Rating

250 V, 600 V

0-600 A

<0.6 mA at 600 V

Class H: 10 kA RMS SYM

Class R: 200 kA RMS SYM

Ampere Ratings

Leakage Current

Withstand Rating

Flammability Rating UL94 V-0

Approvals

UL Listed (File: E14721)

CSA Certiﬁed (File: LR7316)

Environmental

RoHS Compliant, Lead (Pb) Free

Description

Web Resources

The Littelfuse Class H/K5 and R blocks offer many beneﬁts

such as indication, snap-to-release DIN rail mounting and

universal mounting holes. Class H and Class R fuse blocks

are dimensionally the same, but Class R blocks incorporate

a rejection feature, which only allows Class R fuses to

be inserted.

Sample requests, downloadable CAD drawings and other

technical information: Littelfuse.com/lfh

Littelfuse.com/lfr

Littelfuse.com/fuseblocks

Recommended Fuses

Class H/K5 Blocks – 250V

NLN, RLN

Features/Beneﬁts

•ꢀ Universal mounting holes for easy replacement

•ꢀ Indication offered on most 250 V and 600 V versions

•ꢀ One hand release from DIN rail for ferrule style fuses

•ꢀ Reinforced fuse clips are standard on all Class H and

Class R fuse blocks

Class R Blocks – 250V

FLNR/FLNR_ID, KLNR, LLNRK

Class H/K5 Blocks – 600V

NLS, RLS

Class R Blocks – 600V

FLSR/FLSR_ID, KLSR, LLSRK/LLSRK_ID, IDSR

•ꢀ Covers available for 100 A and lower to enhance safety

Ordering Information (Class H 250 V)

ordering number

baSe

temp

CoVer

ordering

number*

amp

rating

Wire

din

SuFFix

box preSSure

torque

Wire type

baSe part

number

range

raiL

rating

SCreW

Lug

pLate

LFH250301

LFH250302

LFH250303

LFH250601

LFH250602

LFH250603

—

6-14 AWG

10-14 AWG CU Only

10-22 AWG

2.8 N-m (25 in-lbs)

125˚C

•

—

LFH25030FBC

LFH25060FBC

CID

—

5.6 N-m (50 in-lbs)

2.8 N-m (25 in-lbs)

2-4 AWG

CU-AL

•

6-14 AWG

13.6 N-m (120 in-lbs)

4.5 N-m (40 in-lbs)

4.0 N-m (35 in-lbs)

2/0-6 AWG

LFH251001

LFH251003

CID

—

Solid/

Stranded

100

8 AWG

CU-AL

130˚C

—

•

LFH25100FBC

10-14 AWG

LFH252001

LFH252003

LFH254001

LFH254003

LFH256001

LFH256003

—

200

400

600

31.1 N-m (275 in-lbs)

42.4 N-m (375 in-lbs)

250 kcmil-6

CU-AL

130˚C

—

(2) 350 kcmil-1/0

(2) 500 kcmil-4

Note: Reinforcing springs standard on all Class H fuse blocks. *Covers sold individually. One cover needed for each pole.

Rev: 011513

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