Littelfuse LEB User Manual
POWR-GARD® Blocks and Holders Datasheet
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ELECTRICAL TAPE
IN-LINE WATERTIGHT FUSE HOLDERS
IMPROVED
Description
Recently redesigned, the Littelfuse 600 V 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)
LEB/LEX
LEC/LEY
Specifications
Voltage rating 600 V
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)
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
Sample requests, downloadable CAD drawings 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
LEB-AA 0LEB00AAX 0LEB00AAXK
LEB-AA-S 0LEB0AASX 0LEB0AASXK
littelfuse.com © 2014 Littelfuse POWR-GARD® Products
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LEB-AB 0LEB00ABX 0LEB00ABXK
LE B-AYC-S 0LEBAYCSX 0LEBAYCSXK
LEB-BB 0LEB00BBX 0LEB00BBXK
LEB-JJ 0LEB00JJX 0LEB00JJXK
LEB-JJ-S 0LEB0JJSX 0LEB0JJSXK
PREVIOUS ORDERING
NUMBER
NEW ORDERING
NUMBER
Rev: 012414
POWR-GARD® Blocks and Holders Datasheet
4.5"
10.3"
( ASSEMBLED LENGTH )
5.4"
( ASSEMBLED LENGTH )
4.5"
9.3"
( ASSEMBLED LENGTH )
WPB1 BOOT
(OPTIONAL)
WPB1 BOOT
(OPTIONAL)
INSULATING BOOT
(STANDARD)
INSULATING BOOT
(STANDARD)
4.2"
4.5"
9.3"
( ASSEMBLED LENGTH )
10.3"
( ASSEMBLED LENGTH )
5.3"
( ASSEMBLED LENGTH )
IN-LINE WATERTIGHT FUSE HOLDERS
Ordering Information
To order Littelfuse in-line fuse holders by part number,
refer to the charts on the next page.
LEB - AA - S
Littelfuse Series
Load Side/Terminal Size
SERIES DESCRIPTION
LEB One-pole in-line fuse holder for Midget and Class CC fuses
LEC One-pole in-line fuse holder for Class CC fuses
LET
One-pole in-line fuse holder with
permanently installed solid neutral
LEX Two-pole in-line fuse holder for Midget and Class CC fuses
LEY Two-pole in-line fuse holder for Class CC fuses
Breakaway Feature
Line Side/Terminal Size
A & B Crimp Terminal
C & D Crimp Terminal
Recommended Crimping Tools
The following crimping tools or equivalents may be used
on either the non-breakaway or breakaway watertight
in-line fuse holders.
TERMINAL SIZE T&B PART NUMBER BURNDY PART NUMBER
A WT161M –
B WT161M MR4C
C M5-GREY Hypress Y34A
D M5-BROWN Hypress Y34A
Dimensions Inches
1-Pole
1-Pole Breakaway
J Terminal
Y Terminal
Insulating Boots
• Molded from engineering-grade thermoplastics which
provide high resistance to corrosive environments
• For watertight protection of non-breakaway Y-pole
termination, order one WPB1 and one WPB3 boot
ORDERING NUMBER TERMINAL TYPE
WPB1 A, B, C, D, J
WPB3 Y
2-Pole
2-Pole Breakaway
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Rev: 012414
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