Installation Instructions

Document No. 129-374
Installation Instructions
October 2, 2009
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and
models as design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective
owners. © Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089
+ 1 847-215-1000
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Document No. 129-374
Printed in the U.S.A.
Page 11 of 11
Table 5. Wire Sizes and Tightening Torques for C-Bypass with 500V to 600V Drive.
Part
Number
Bypass
Frame
Size
HP kW Amps
Circuit Breaker
Disconnect
Switch
Overload Ground Lug
Wire
Size *
Torque,
lb-in
(Nm)
Wire
Size *
Torque,
lb-in
(Nm)
Wire
Size *
Torque,
lb-in
(Nm)
Range,
Amps
Max
Backup
Fuse,
Amps
Wire
Size *
Torque,
lb-in
(Nm)
VBA40.5---- C 0.5 0.37
.9
14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
.7 - 1.0 4 14-2
35 (4)
VBA40.7---- C 0.7 0.55 1.3 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
.9 - 1.25 5 14-2
35 (4)
VBA41.0---- C 1.0 0.75 1.4 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
1.1 - 1.6 6 14-2
35 (4)
VBA41.5---- C 1.5 1.1 2.1 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
1.8 - 2.5 10 14-2
35 (4)
VBA42.0---- C 2.0 1.5 2.7 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
2.2 - 3.2 12 14-2
35 (4)
VBA43.0---- C 3.0 2.2 3.9 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
2.8 - 4 16 14-2
35 (4)
VBA45.0---- C 5.0 4.0 6.1 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
4.5 - 6.3 25 14-2
35 (4)
VBA47.5---- C 7.5 5.5 9 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
7 - 10 40 14-2
35 (4)
VBA410.---- C 10 7.5 11 14-10 Cu 32 (3.6) 18-10
13 - 17
(1.5 - 1.7)
18-14
7 - 10.3
(8 - 1.2)
9 - 2 45 14-2
35 (4)
VBA415.---- C 15 11.0 17 14-10 Cu 32 (3.6) 14-8
17 - 22
(1.9 - 2.5)
14-10
18 - 22
(2 - 2.5)
14 - 20 80 14-2
35 (4)
VBA420.---- C 20 15.0 22 10-1/0 Cu
20 - 60
(2.2 - 6.8)
14-8
17 - 22
(1.9 - 2.5)
14-10
18 - 22
(2 - 2.5)
17 - 22 80 14-2
35 (4)
VBA425.---- C 25 18.5 27 10-1/0 Cu
20 - 60
(2.2 - 6.8)
14-6
22 - 27
(2.5 - 3.1)
18-3
27 - 40
(3.1 - 4.5)
22 - 32 125 14-2
35 (4)
VBA430.---- D 30 22.0 32 10-1/0 Cu
20 - 60
(2.2 - 6.8)
14-6
22 - 27
(2.5 - 3.1)
18-3
27 - 40
(3.1 - 4.5)
28 - 40 150 14-2
35 (4)
VBA440.---- D 40 30.0 41 10-1/0 Cu
20 - 60
(2.2 - 6.8)
14-6
22 - 27
(2.5 - 3.1)
18-3
27 - 40
(3.1 - 4.5)
36 - 45 175 14-2
35 (4)
VBA450.---- E 50 37.0 52 10-1/0 Cu
20 - 60
(2.2 - 6.8)
14-6
22 - 27
(2.5 - 3.1)
18-3
27 - 40
(3.1 - 4.5)
40 - 50 200 14-2
35 (4)
VBA460.---- E 60 45.0 62 10-1/0 Cu
20 - 60
(2.2 - 6.8)
12-1
22 - 27
(2.5 - 3.1)
10-1/0
36 - 53
(4.1 - 6)
45 - 63 250 14-2
35 (4)
VBA475.---- F 75 55.0 77 3-3/0 Cu 80 (9) 12-1
22 - 27
(2.5 - 3.1)
10-1/0
36 - 53
(4.1 - 6)
70 - 90 350 14-2/0
50 (5.6)
VBA4100---
-
F 100 75.0 99 3-3/0 Cu 80 (9) 12-1
22 - 27
(2.5 - 3.1)
10-1/0
36 - 53
(4.1 - 6)
80 - 100 400 14-2/0
50 (5.6)
VBA4125---
-
F 125 90.0 125
6 - 350
kcmil Cu
120 - 275
(14 - 31.1)
6 - 350
kcmil
120 - 275
(14 - 31.1)
10-1/0
124 - 210
(14 - 23.7)
50 - 200 800 14-2/0
50 (5.6)
* Wire Size in AWG unless noted otherwise. Use Copper (Cu) wire that is rated 167°F (75°C) minimum, 600 Vac