Littelfuse.com

@ 2020 Littelfuse, Inc.

Rev: 052720

1 of 6

POWR-GARD® Blocks and Holders

IN-LINE WATERTIGHT FUSE HOLDERS

LEB/LEX

LEC/LEY

IMPROVED

Description

Recently redesigned, the Littelfuse 600 V ac/V dc in-line

watertight fuse holders allow maximum protection for high

humidity and corrosive environments. The fuse holders are

designed to be touch-safe and flexible for use in a variety

of applications. See the list below for the redesigned part

numbers.

Applications



Street lighting and parking lot lighting



Sports lighting and various outdoor illuminated signs



Boat electrical circuits, tractors/yard equipment and

general outdoor circuit protection (such as traffic

signals, alley lighting and electric wheelchairs)

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Specifications

Voltage rating

600 V ac/V dc

Ampere rating

up to 30 A

Interrupting rating

200 kA rms symmetrical (with Class CC fuses)

Approvals

LEB/LEX series UL Recognized

Miscellaneous

Fuse holder per UL UL 4248 (File: E14721)

CSA Certified per C22.2, No. 39 (File: LR7316)

LEC/LEY series UL Listed Class CC Branch

Circuit

Fuse holder per UL 512 (File: E14721)

CSA Certified per C22.2, No. 39 (File: LR7316)

Flammability Rating

UL 94 V-0

Features/Benefits



Design increases safety by facilitating individual device

disconnection for easy servicing, eliminating shock risk



Increases efficiency by preventing faulted ballast from

severely damaging fixture or device



Designed to meet IP67 touch-safe standards



Watertight o-ring seal



Variety of terminations available for flexible design



Insulating boots available for harsh environments

Recommended Fuses

LEB/LEX series:

Class CC Series: CCMR, KLDR, KLKR

Midget Series: BLF, BLN, FLM, FLQ, KLK, KLKD

LEC/LEY series:

Class CC Series: CCMR, KLDR, KLKR

Web Resources

Download CAD drawings, dimensions and other technical

information: Littelfuse.com/in-line

Look for these part numbers featuring our

improved design

• Better surface area for ergonomic comfort, improved grip

and better torque

• More pronounced seating – automatically seats as user

begins twisting

• Chamfered edges for additional installation comfort

BASE PART

NUMBER

PREVIOUS ORDERING

NUMBER

NEW ORDERING

NUMBER

LEB-AA

0LEB00AAX

0LEB00AAXK

LEB-AA-S

0LEB0AASX

0LEB0AASXK

LEB-AB

0LEB00ABX

0LEB00ABXK

LEB-AYC-S

0LEBAYCSX

0LEBAYCSXK

LEB-BB

0LEB00BBX

0LEB00BBXK

LEB-JJ

0LEB00JJX

0LEB00JJXK

LEB-JJ-S

0LEB0JJSX

0LEB0JJSXK