BURNDY
Mechanical
TYPES KA-U, KKA-U
UNIVERSAL TERMINAL
A-24
(One Conductor) For Aluminum
and Copper Conductors
These dual-rated one-conductor lugs are
constructed from high strength aluminum
alloy and electro tin-plated to provide low
contact resistance.
Fig. 1
Fig. 2
AL9CU
Fig. 3
Fig. 4
WIRE RANGE
ALUMINUM OR
COPPER
STUD
HOLE
SIZE
DIMENSIONS
**
RECOMMENDED
TIGHTENING ▲
TORQUE in-lb
CATALOG
NUMBER*
KA6U
FIG.
**
H
NO.
1
D
.63
L
N
W
.50
E
—
T
14 STR. - 6 STR.
14 STR. - 2 STR.
14 STR. - 1/0 STR.
6 STR. - 2/0 STR.
6 STR. - 250
6 STR. - 300
6 STR. - 350
4 STR. - 500
2 STR. - 600
300 - 800
1.06
1.16
1.50
1.47
2.00
2.00
2.25
2.81
3.19
3.38
3.38
5.50
4.69
4.75
4.75
.25
.31
.44
.47
.50
.50
.88
.88
.78
.88
.88
.63
.63
.63
.63
.09
.10
.19
.19
.25
.25
.25
.31
.44
.50
.50
.38
.44
.50
.50
.50
45
50
KA2U
KA25U
1
.63
.50
—
.55
1/4
1
.81
.63
—
.80
50
KA26U
KA29U
2
.81
.63
—
.80
120
275
275
375
500
500
500
600
375
500
500
600
2
.94
1.00
1.00
1.13
1.51
1.50
1.75
1.75
1.25
1.50
1.75
1.75
—
1.13
1.12
1.25
1.58
1.56
1.94
1.94
1.50
1.57
1.94
1.94
5/16
3/8
KA30U
KA31U
2
.94
—
2
1.03
1.50
1.72
1.69
1.69
3.16
3.22
3.03
3.03
—
KA34U
KA36U
2
—
2
—
KA40U
KA44U
2
—
1/2
2
500 - 1000
—
KKA31U-2N
KA36U-2N
KA40U-2N
KA44U-2N
3
6 STR. - 350
2 STR. - 600
300 - 800
1.75
1.75
1.75
1.75
4
1/2
4
4
500 - 1000
*
"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.
** Maximum dimension.