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A-26
Mechanical
BURNDY
®
Canada: 1-800-387-6487
www.burndy.com
US: 1-800-346-4175
Blue highlighted items are industry standard and most frequently ordered.
TYPES K3A-U, KK3A-U
UNIVERSAL TERMINAL
(Three Conductor)
For Aluminum and
Copper Conductors
Dual-rated three-conductor lugs are con-
structed from high strength aluminum alloy
and electro tin-plated to provide low contact
resistance.
AL9CU
Fig. 1
Fig. 2
Fig. 3
* Slotted screw.
** ‘‘N” indicates NEMA standard stud holes.
Listed torque values are for maximum conductor sizes
accommodated.
Consult UL486 Tables 7-4, 7-5, 7-6 for smaller conductor
sizes. All 4N items See note page A-2
Wire Range
Stud
Recommended
Catalog
Fig.
Aluminum or
Hole
Dimensions
Tightening
Number*
No.
Copper
K Size
D L
N W E
T
H
Torque in-lb
K3A2U-2
*
1
Three: 14 Str. - 2 Str.
11/32 5/16 1.63 2.19 .34 1.59 .88
.19
.62
K3A25U-2
*
1
Three: 14 Str. - 1/0 Str.
7/16 3/8
2.09 2.91 .34 1.94 1.00 .25
.88
50
K3A26U-2N
3
Three: 14 Str. - 2/0 Str.
3.06 3.75 .63 1.95
.19 1.79
K3A27U-2N
3
Three: 6 Str. - 3/0 Str.
3.00 3.88 .63 2.81
.31 1.12
K3A29U-2N
3
Three: 6 Str. - 250 kcmil
3.00 4.00 .63 2.81
.31 1.19
275
K3A31U-2N
3
Three: 6 Str. - 350 kcmil
3.52 4.31 .63 3.00
.31 1.38
K3A36U-2N
3
Three: 2 Str. - 600 kcmil
9/16 1/2
3.22 4.69 .63 3.63
1.75
.44 1.56
KK3A36U-2N
2
Three: 2 Str. - 600 kcmil
3.00 5.63 .56 4.22
.44 1.69
KK3A40U-2N
2
Three: 300 - 800 kcmil
3.03 5.69 .63 4.81
.50 1.94
375
KK3A44U-2N
2
Three: 500 - 1000 kcmil
3.34 6.19 .63 4.75
.56 1.88