Operating Instructions

Installation
Siemens Building Technologies, Inc. 23
Table 4. Wire Sizes and Tightening Torques for NEMA Type 3R/3RHE Bypasses with 230V - 240V Drive.
Part Number
Bypass
Enclosur
e 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)
VBA20.5_3__XHT1 ABC 0.5 0.37 2.2 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
1.8 - 2.5 10 14-2 35 (4)
VBA20.7_3__XHT1 ABC 0.7 0.55 3.0 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
2.2 - 3.2 12 14-2 35 (4)
VBA21.0_3__XHT1 ABC 1.0 0.75 3.9 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
2.8 - 4 16 14-2 35 (4)
VBA21.5_3__XHT1 ABC 1.5 1.1 5.5 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
4.5 - 6.3 25 14-2 35 (4)
VBA22.0_3__XHT1 ABC 2.0 1.5 6.8 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
5.5 - 8.0 30 14-2 35 (4)
VBA23.0_3__XHT1 ABC 3.0 2.2 9.6 14-4 35 (4) 18-14
7 - 10.3
(8 - 1.2)
7 - 10 40 14-2 35 (4)
VBA25.0_3__XHT1 ABC 5.0 4.0 15.2 14-4 35 (4) 14-10
18 - 22
(2 - 25)
14 - 20 80 14-2 35 (4)
VBA27.5_3__X ABC 7.5 5.5 22 14-4 35 (4) 14-10
18 - 22
(2 - 25)
20 - 25 100 14-2 35 (4)
VBA27.5_3__XHT1 DE 7.5 5.5 22 14-1 50 (4) 14-10
18 - 22
(2 - 25)
20 - 25 100 14-2 35 (4)
VBA210_3__X ABC 10 7.5 28 14-4 35 (4) 18-3
27 - 40
(3.1 - 4.5)
22 - 32 125 14-2 35 (4)
VBA210_3__XHT1 DE 10 7.5 28 14-1 50 (4) 18-3
27 - 40
(3.1 - 4.5)
22 - 32 125 14-2 35 (4)
VBA215_3__X & HT1 DE 15 11.0 42 14-1 50 (4) 18-3
27 - 40
(3.1 - 4.5)
40 - 50 200 14-2 35 (4)
VBA220_3__X & HT1 DE 20 15.0 54 14-1 50 (4) 10-1/0
36 - 53
(4.1 - 6)
45 - 63 250 14-2 35 (4)
VBA225_3__X & HT1 DE 25 18.5 68 12-1
22 - 27
(2.5 - 3.1)
10-1/0
36 - 53
(4.1 - 6)
57 - 75 300 14-2 35 (4)
VBA230_3__X DE 30 22.0 80 12-1
22 - 27
(2.5 - 3.1)
10-1/0
36 - 53
(4.1 - 6)
70 - 90 350 14-2/0 35 (4)
VBA230_3__XHT1 F 30 22.0 80
6 - 350
kcmil
120 - 275
(13.5 - 31.1)
10-1/0
36 - 53
(4.1 - 6)
70 - 90 350 14-2 35 (4)
VBA240_3__X & HT1 F 40 30.0 104
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)
VBA250_3__X F 50 37.0 130
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)
VBA260_3__X F 60 45.0 154
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 is AWG unless noted otherwise. Use Copper (Cu) wire that is rated 167°F (75°C) minimum 600 Vac.