BURNDY
Mechanical
TYPES K3A-U, KK3A-U
UNIVERSAL TERMINAL
A-26
(Three Conductor)
For Aluminum and
Copper Conductors
Fig. 1
Fig. 2
Dual-rated three-conductor lugs are con-
structed from high strength aluminum alloy
and electro tin-plated to provide low contact
resistance.
AL9CU
Fig. 3
WIRE RANGE
ALUMINUM OR
COPPER
STUD
HOLE
SIZE
5/16
RECOMMENDED
TIGHTENING ▲
TORQUE in-lb
CATALOG
NUMBER*
K3A2U-1*
FIG.
DIMENSIONS
W
1.59
NO.
1
K
D
L
N
E
.88
T
H
.62
Three: 14 STR. - 2 STR.
Three: 14 STR. - 1/0 STR.
Three: 14 STR. - 2/0 STR.
Three: 6 STR. - 3/0 STR.
Three: 6 STR. - 250
Three: 6 STR. - 350
Three: 2 STR. - 600
Three: 2 STR. - 600
Three: 300 - 800
11/32
7/16
1.63
2.09
3.06
3.00
3.00
3.00
3.22
3.00
3.03
3.34
2.19
2.91
3.75
3.88
4.00
4.31
4.69
5.63
5.69
6.19
.34
.34
.63
.63
.63
.63
.63
.56
.63
.63
.19
.25
.19
.31
.31
.31
.44
.44
.50
.56
K3A25U-2*
K3A26U-2N
K3A27U-2N
K3A29U-2N
K3A31U-2N
K3A36U-2N
KK3A36U-2N
KK3A40U-2N
KK3A44U-2N
1
3/8
1.94
1.00
.88
50
3
1.95
1.79
1.12
1.19
1.38
1.56
1.69
1.94
1.88
3
2.81
3
2.81
275
3
3.00
9/16
1/2
1.75
3
3.63
2
4.22
375
2
4.81
2
Three: 500 - 1000
4.75
*
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
See note page A-2
sizes. All 4N items