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TYPE YRB-U
HYREDUCER™ SPLICE
For Aluminum-to-Aluminum and
Aluminum-to-Copper
Type YRB-U splice is designed for use with-
in underground systems. Aluminum splices
are tin-plated and recommended for use on
Aluminum-to-Aluminum and Aluminum-to-
Copper cables. All splices have solid center
stop for use with oil filled and non-oil filled
cables. The Outside Diameter is held
constant to minimize installation dies and
connectors are prefilled with PENETROX™.
Rated up to 35 kV.
Conductor Range
Dimensions
Wire Strip Length
Catalog
Barrel “A”
Barrel “B”
B
Barrel
Barrel
Die
Color
Number
Copper & Aluminum
Copper & Aluminum
Min.
L O.D.
“A”
“B” Number Code
YRB2U3TTN
#2 (.292 Dia.) 7 Str.
#3 (.260 Dia.) 7 Str.
#1 (.332 Dia.) 19 Str. or
YRB1CU2TTN
1/0 Compact (.336 Dia.) 19 Str.
#2 (.292 Dia.) 7 Str.
#1 (.332 Dia.) 19 Str. or
#1 (.332 Dia.) 19 Str. or
YRB1CU1TTN
1/0 Compact (.336 Dia.) 19 Str.
1/0 Compact (.336 Dia.) 19 Str.
1/0 (.373 Dia.) 19 Str. or
1.35
3.25 .65
1-3/4
1-3/4
296
Tan
YRB25U3TTN
1/0 Compact (.336 Dia.) 19 Str.
#3 (.260 Dia.) 7 Str.
[34]
[83]
[17]
1/0 (.373 Dia.) 19 Str. or
YRB25U2TTN
1/0 Compact (.336 Dia.) 19 Str.
#2 (.292 Dia.) 7 Str.
1/0 (.373 Dia.) 19 Str. or
1/0 (.373 Dia.) 19 Str. or
YRB25U25TTN
1/0 Compact (.336 Dia.) 19 Str.
1/0 Compact (.336 Dia.) 19 Str.
3/0 (.470 Dia.) 19 Str. or
1/0 (.373 Dia.) 19 Str. or
YRB27U25TW
3/0 Compact (.423 Dia.) 19 Str.
1/0 Compact (.336 Dia.) 19 Str.
4/0 (.528 Dia.) 19 Str. or
1.53
3.69
YRB28U3TW
4/0 Compact (.475 Dia.) 19 Str.
#3 (.260 Dia.) 7 Str.
[39]
[94]
4/0 (.528 Dia.) 19 Str. or
#1 (.332 Dia.) 19 Str. or
YRB28U1TW
4/0 Compact (.475 Dia.) 19 Str.
1/0 Compact (.299 Dia.) 7 Str.
.85
4/0 (.528 Dia.) 19 Str. or
1/0 (.373 Dia.) 19 Str. or
1.53
3.70 [22]
1-1/2
1-1/2
298
White
YRB28U25TW
4/0 Compact (.475 Dia.) 19 Str.
1/0 Compact (.336 Dia.) 19 Str.
[39]
[94]
4/0 (.528 Dia.) 19 Str. or
2/0 (.419 Dia.) 19 Str. or
YRB28U26TW
4/0 Compact (.475 Dia.) 19 Str.
2/0 Compact (.376 Dia.) 19 Str.
1.53
3.69
4/0 (.528 Dia.) 19 Str. or
4/0 (.528 Dia.) 19 Str. or
[39]
[94]
YRB28U28TW
4/0 Compact (.475 Dia.) 19 Str.
4/0 Compact (.475 Dia.) 19 Str.
350 kcmil (.681 Dia.) 37 Str. or
YRB31U25TW
350 kcmil Compact (.616 Dia.) 19 Str. Al;
1/0 (.373 Dia.) 19 Str. or
37 Str. Al & Cu
1/0 Compact (.336 Dia.) 19 Str.
350 kcmil (.681 Dia.) 37 Str. or
YRB31U28TW
350 kcmil (.616 Dia.) 19 Str. Al;
4/0 (.528 Dia.) 19 Str. or
2.34
5.43 1.11
2-1/4
2-1/4
299
Brown
37 Str. Al & Cu
250 kcmil Compact (.520 Dia.) 37 Str.
[59]
[138]
[28]
350 kcmil (.681 Dia.) 37 Str. or
350 kcmil (.681 Dia.) 37 Str. or
YRB31U31TW
350 kcmil Compact (.616 Dia.) 19 Str. Al; 350 kcmil Compact (.616 Dia.) 19 Str. Al;
37 Str. Al & Cu
37 Str. Al & Cu
1 Material: Aluminum.
2 Finish: Electro-tin plated.
Barrels are partially filled with PENETROX™ and sealed.
4 Scratch brushing of all conductors before making
installation is recommended.
5 Not for use with Copper-to-Copper applications.
6 Dimensions in brackets [ ] are in millimeters rounded off
to the nearest millimeter, unless otherwise noted
and are for reference only.
Catalog number PT6515 Adaptor is required to use “U”
dies in Y45 series tools.
Catalog number PUADP-1 Adaptor is required to use “U”
dies in Y46 series tools.
9 On MY29-3 HYTOOL™ use alum. Index plate settings as
follows, for 1/0 conductor use 1/0 setting. For conductor
smaller than 1/0 size use 2/0 setting.
K-71
Blue highlighted items are industry standard and most frequently ordered.
US: 1-800-346-4175
www.burndy.com
Canada: 1-800-387-6487
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