Bus Bar Clamps
Test Approval Spec #4650351P
Material: AISI C-1045 Investment Cast Steel
Sprint, Bell South, and South Western Bell Approved. Grade
#8 yellow zinc dichromate hardware available for individual purchase.
See charts below for product specs.
Clamp Part
No.
Est. Wt.
"A"
"B"
"C"
DA375
0426
3.1
lbs.
4.00
4.00
1/2
- 13
DA375
0427
3.3
lbs.
4.00
6.00
1/2
- 13
DA375
0428
3.6
lbs.
6.00
6.00
1/2
- 13
DA375
0429
3.1
lbs.
4.00
8.00
5/8
- 11
DA375
0430
7.1
lbs.
6.00
8.00
5/8
- 11
DA375
0431
7.8
lbs.
8.00
8.00
5/8
- 11
Kit
Part No.
Est.
Wt.
"A"
"B"
"C"
DA375
0426-K
7.0
lbs.
4.00
4.00
1/2
- 13
DA375
0427-K
7.5
lbs.
4.00
6.00
1/2
- 13
DA375
0428-K
8.0
lbs.
6.00
6.00
1/2
- 13
DA375
0429-K
8.0
lbs.
4.00
8.00
5/8
- 11
DA375
0430-K
15.0
lbs.
6.00
8.00
5/8
- 11
DA375
0431-K
17.0
lbs.
8.00
8.00
5/8
- 11
Available
Kits Include: 2-Bus Bar Clamps, 4-GR.8 Bolts,
4-Nuts, 4-Pal Nuts
Bus
Bar Clamp Bolt Length Table
Clamp
Sizes:
Clamp
Sizes:
No.
of
Laminations
4x44x66x6
4x86x88x8
.25"
Copper
.50"
Copper
.25"
Copper
.50"
Copper
2
2.75"
3.275"
3.50"
4.00"
3
3.00"
3.750"
3.75"
4.50"
4
3.25"
4.250"
4.00"
5.00"
5
3.50"
4.750"
4.25"
5.50"
6
3.75"
5.250"
4.50"
6.00"
7
4.00"
5.750"
4.75"
6.50"
8
4.25"
6.250"
5.00"
7.00"
9
4.50"
6.750"
5.25"
7.50"
10
4.75"
7.250"
5.50"
8.00"
11
5.00"
7.750"
5.75"
8.50"
12
5.25"
8.250"
6.00"
9.00"
13
5.50"
8.750"
6.25"
9.50"
14
5.75"
9.250"
6.50"
10.00"
15
6.00"
9.750"
6.75"
10.50"
16
6.25"
10.250"
7.00"
11.00"
17
6.50"
10.750"
7.25"
11.50"
18
6.75"
11.250"
7.50"
12.00"
19
7.00"
11.750"
7.75"
12.50"
20
7.25"
12.250"
8.00"
13.00"
Recommended
torque specifications: 40 ft. lbs.
Recommended
torque specifications: 55 ft. lbs.
Typical
Chemical Analysis*
AISI C-1045
Minimum
Keel Block Test Bar Properties
Typical
Hardness
C%
MN%
SI%
P%
Max.
S%
Max.
Ultimate
Strength PSI
Yield
Strength PSI
Elong.
In 2"%
Red.
In Area
Heat
Treatment
Brinell
Hardness
0.45
0.70
0.45
0.05
0.05
90,000
60,000
20
40
Q&T
180-230
*Medium
Carbon Steel - Investment castings produced from these steels
are readily machineable, redily welded, and have excellent Ductility.
Finish Required - Hot Dip Galvanized
