Littelfuse.com

@ 2025 Littelfuse, Inc.

Rev: 291025

4 of 6

POWR-GARD® Blocks and Holders

IN-LINE WATERTIGHT FUSE HOLDERS

Terminal Selection

TERMINAL

DESIGNATION

TERMINAL

DESCRIPTION

WIRES PER

TERMINAL

WIRE RANGE

(CU ONLY)

SOLID WIRE

STRANDED WIRE

RECOMMENDED CRIMP TOOL

T&B

BURNDY

A

Copper Crimp

1

#12-#8

•

•

WT161M

—

2

#12

•

•

B

Copper Crimp

2

#10

•

•

WT161M

MR4C

1

#6

•

•

1

#4

—

•

C

Copper Crimp

2

#8

•

•

M5-GREY

Hypress Y34A

1

#4

—

•

D

Copper Crimp

2

#6

•

•

M5-BROWN

Hypress Y34A

1

#2

—

•

J

Copper Set-Screw

1

#12-#8

•

—

—

—

1

#10-#2

—

•

Y (2 terminals)

“Y” Style Copper

Set-Screw

1

#12-#8

•

—

—

—

1

#10-#2

—

•

Ordering Information (Solid Neutral LET Fuse Holder)

Disclaimer Notice – Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse

products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer.

SINGLE POLE

TERMINAL AND BOOT SELECTION

NON BREAKAWAY

BREAKAWAY

PRODUCT MARKING ORDERING NUMBER PRODUCT MARKING ORDERING NUMBER LOAD SIDE TERMINAL LOAD SIDE BOOT * LINE SIDE TERMINAL

LINE SIDE BOOT *

LETAA

0LET00AAX

LETAAS

0LET0AASX

A

WPB1

A

WPB1

LETAB

0LET00ABX

LETABS

0LET0ABSX

A

WPB1

B

WPB1

LETAYC

0LET0AYCX

LETAYCS

0LETAYCSX

A

WPB1

Y

WPB3

LETBA

0LET00BAX

LETBAS

0LET0BASX

B

WPB1

A

WPB1

LETBB

0LET00BBX

LETBBS

0LET0BBSX

B

WPB1

B

WPB1

LETBYC

0LET0BYCX

LETBYCS

0LETBYCSX

B

WPB1

Y

WPB3

LETJJ

0LET00JJX

LETJJS

0LET0JJSX

J

WPB1

J

WPB1

LETJYC

0LET0JYCX

LETJYCS

0LETJYCSX

J

WPB1

Y

WPB3

* Insulating boots come included with breakaway version