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TYPE YRB
HYREDUCER™
FOR ALUMINUM TO COPPER
AND ALUMINUM TO
ALUMINUM
UL Listed 90° C,
600 Volts to 35 kV
HYREDUCER™ type YRB reducer butt
splice is designed to splice two different con-
ductor sizes and is UL Listed for aluminum to
copper and aluminum to aluminum applica-
tions. The outside diameter is held constant
to minimize installation dies and is factory
prefilled with PENETROX™.
Features and Benefits
• Constant outside diameters. Electro
tin-plated.
Minimizes installation dies and provides
a smooth profile for easy taping.
Provides durable long lasting
corrosion resistance.
• Factory prefilled with BURNDY’s
PENETROX™ oxide inhibiting compound.
Contains Homogeneously suspended
conductive metallic particles which pen-
etrate oxides between conductor strands
and forms an air tight connection.
CRIMP
CRIMP
• Solid center barrier.
Provides center stop for correct cable
insertion and aids the thorough pene-
tration of PENETROX™ oxide inhibiting
compound between conductor strands.
• Connectors are clearly marked with cata-
log number, wire size, and color-coded
die index.
Provides clear, easy to use information
to lower installed costs.
• Each barrel end has a plastic end cap.
Keeps the connector barrels free of
foreign materials.
† Contact BURNDY
®
for conductor sizes not shown.
See tooling section of this catalog for complete tool and
die listings.
‡ Number of crimps.
* Use PUADP-1 adaptor with U dies shown in Y46
HYPRESS™.
The maximum size for the Y35 is 400 kcmil.
For applications greater than 2000 Volts consult cable
manufacturer for voltage stress relief instructions.
• Also accommodates compressed and compact conduc-
tors (except 700 kcmil in 750 kcmil barrel).
Tested with Y644HS and PAT644 dieless tools only and
not UL Listed with any tool on 900 Compact Al.
Note:
All dimensions shown are for reference only.
Conductor Range •
Installation Tooling
Aluminum or Copper Size †
Hydraulic Tools, Die Sets (No. of Crimps ‡ )
Wire
Catalog
Barrel
Barrel
Dimensions
Y35
, Y39, Y750
Die
Color
Strip
Number
A
B
O.D.
B
L
Y46*
‡ Index
Code
Length
1 str.
4 str.
YRB2U4
2 str.
3 str.
.62
.88 2.00
1 str.
U25ART
(1)
296
Tan
1-1/16
YRB25U2
1/0 str.
2 str.
.62
.88 2.00
YRB27U25
3/0 str.
1/0 str.
.85 1.36 3.31
YRB27U26
3/0 str.
2/0 str.
.85 1.36 3.31
U28ART
(2)
298
White
1-5/8
YRB28U26
4/0 str.
2/0 str.
.85 1.36 3.31
YRB29U28
250 kcmil
4/0 str.
1.11 1.73 4.21
YRB31U28
350 kcmil
4/0 str.
1.11 1.73 4.21
U31ART
(2)
299
Brown
2-1/8
YRB31U29
350 kcmil
250 kcmil
1.11 1.73 4.21
YRB34U31
500 kcmil
350 kcmil
1.31 2.11 5.12
U34ART
(4)
300
Pink
2-5/8
YRB36U31
600 kcmil
350 kcmil
1.46 2.25 5.57
YRB36U34
600 kcmil
500 kcmil
1.46 2.25 5.57
700/750 kcmil •
YRB39U34
900 Compact AL
500 kcmil
1.46 2.25 5.57
U39ART-2
(4)
936
Yellow 2-7/8
700/750 kcmil •
YRB39U36
900 Compact AL
600 kcmil
1.46 2.25 5.57
Blue highlighted items are industry standard and most frequently ordered.
US: 1-800-346-4175
www.burndy.com
Canada: 1-800-387-6487
C-123
BURNDY
®
Compression Connections
Aluminum Compression — Reducing Splice