Installation Instructions

Document No. 129-405
Installation Instructions
October 5, 2009
Page 6 of 14 Siemens Industry, Inc.
Table 5. Wire Sizes and Tightening Torques for NEMA Type 3R/3RHE Bypass with 380V to 480V Drive.
Part Number*
Bypass
Enclosure
Frame
Size
HP kW Amps
Disconnect
Switch
Overload Ground Lug
Wire
Size *
Torque,
lb-in
(Nm)
Wire
Size *
Torque,
lb-in
(Nm)
Range,
Amps
Max
Backup
Fuse,
Amps
Wire
Size *
Torque,
lb-in
(Nm)
VBA30.5_3__X____**
ABC,
B-HE
0.5 0.37 1.1 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
.7 - 1.0 4 14-2 35 (4)
VBA30.7_3__X____**
ABC,
B-HE
0.7 0.55 1.6 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
1.1 - 1.6 6 14-2 35 (4)
VBA31. _3__X____**
ABC,
B-HE
1.0 0.75 2.1 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
1.4 - 2.0 8 14-2 35 (4)
VBA31.5_3__X____**
ABC,
B-HE
1.5 1.1 3.0 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
2.2 - 3.2 12 14-2 35 (4)
VBA32.0_3__X____**
ABC,
B-HE
2.0 1.5 3.4 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
2.8 - 4 16 14-2 35 (4)
VBA33.0_3__X____**
ABC,
B-HE
3.0 2.2 4.8 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
3.5 - 5 20 14-2 35 (4)
VBA35.0_3__X____**
ABC,
B-HE
5.0 4.0 7.6 14-4 35 (4) 18-14
7 - 10.3
(.8 - 1.2)
7 - 10 40 14-2 35 (4)
VBA37.5_3__X____**
ABC,
C-HE
7.5 5.5 11 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
9 - 12 45 14-2 35 (4)
VBA310_3__X____**
ABC,
C-HE
10 7.5 14 14-1 50 (4) 14-10
18 - 22
(2 - 2.5)
11 - 16 60 14-2 35 (4)
VBA315_3__X____**
ABC,
C-HE
15 11.0 21 14-4 35 (4) 14-10
18 - 22
(2 - 2.5)
17 - 22 80 14-2 35 (4)
VBA320_3__X&HE1
ABC,
C-HE
20 15.0 27 14-1 50 (4) 18-3
27 - 40
(3.1 - 4.5)
22 - 32 125 14-2 35 (4)
VBA320_3__XHT1&2
DE,
D-HE
20 15.0 27 14-1 50 (5.6) 18-3
27 - 40
(3.1 - 4.5)
22 - 32 125 14-2 35 (4)
VBA325_3__X____**
DE,
D-HE
25 18.5 34 14-1 50 (5.6) 18-3
27 - 40
(3.1 - 4.5)
28 - 40 150 14-2 35 (4)
VBA330_3__X & HT1
DE,
D-HE
30 22.0 40 14-1 50 (5.6) 18-3
27 - 40
(3.1 - 4.5)
28 - 40 150 14-2 35 (4)
VBA340_3__X____**
DE,
D-HE
40 30.0 52 14-1 50 (5.6) 18-3
27 - 40
(3.1 - 4.5)
40 - 50 200 14-2 35 (4)
VBA350_3__X DE 50 37.0 65 14-1 50 (5.6) 10-1/0
36 - 53
(4.1 - 6)
57 - 75 300 14-2 35 (4)
VBA350_3__XHT1 F 50 37.0 65
6 - 350
kcmil
120 - 275
(13.5 - 31.1)
10-1/0
36 - 53
(4.1 - 6)
57 - 75 300 14-2/0 35 (4)
VBA360_3__X DE 60 45.0 77 12-1
22 - 27
(2.5 - 3.1)
10-1/0
36 - 53
(4.1 - 6)
70 - 90 350 14-2 35 (4)
VBA360_3__XHT1 F 60 45.0 77
6 - 350
kcmil
120 - 275
(13.5 - 31.1)
10-1/0
36 - 53
(4.1 - 6)
70 - 90 350 14-2/0 35 (4)
VBA375_3__X & HT1 F 75 55.0 96
6 - 350
kcmil
120 - 275
(13.5 - 31.1)
10-1/0
36 - 53
(4.1 - 6)
80 - 100 400 14-2/0 50 (5.6)
VBA3100_3__X & HT1 F 100 75.0 124
6 - 350
kcmil
120 - 275
(13.5 - 31.1)
6-3/0
124 - 210
(14 - 23.7)
50 - 200 800 14-2/0 50 (5.6)
VBA3125_3__X F 125 90.0 156
6 - 350
kcmil
120 - 275
(13.5 - 31.1)
6-3/0
124 - 210
(14 - 23.7)
50 - 200 800 14-2/0 50 (5.6)
* Wire Size in AWG (str.) unless noted otherwise. Use Copper (Cu) wire that is rated 167°F (75°C) minimum, 600 Vac.
***Numbers may end in WXXHT1 XHT2, XHE2