DEH40635
AN 12-1007 Rev.02, 04/04/2012
Table 1 Wire Sizes and Torque Requirements for 460 VAC Panels
Table 2 UL508 Requirement- Tightening torque
Table A Redundant drive panel
In-Warranty Information Form
Table 1
Device
AF - 600 Hp Rating(s)
Minimum Wire
Size
Maximum
Wire Size
Required Torque
NON FUSED
DISCONNECTOR AND
FUSE BLOCK
15 through 30Hp
# 14 AWG
# 4 AWG
Note 1
40 through 50Hp
# 8 AWG
1/0
Note 1
60 through 75Hp
# 8 AWG
1/0
Note 1
100 through 125Hp
# 4 AWG
300 MCM
Note 1
FUSED DISCONNECTOR
15 through 30
# 10 AWG
# 3 AWG
Note 1
40 through 50
# 14 AWG
# 2/0 AWG
Note 1
60 through 100
# 6 AWG
# 3/0 AWG
Note 1
125 through 250
# 2 AWG
# 600MCM
Note 1
Drive output power
Terminal Board
15 through 25
# 10 AWG
# 7 AWG
16 lb.in
30 through 40
# 35 AWG
# 2 AWG
40 lb.in
50 through 75
# 50 AWG
1/0
89 lb.in
100
# 95 AWG
4/0
212 lb.in
125
# 120 MCM
250MCM
212 lb.in
Power Distribution Blocks
15 through 100
# 2/0 AWG
# 14 AWG
Note 1
125
# 350 (1) MCM
# 6 (1) AWG
Note 1
125
# 2 (3) AWG
# 14 (3) AWG
Note 1
Control Terminal Board
2 through 125
# 26 AWG
# 10 AWG
Note 1
Note (1): For unmentioned torques, Refer UL508A tables in tab "UL508A" in the same excel file
Appendix B – Wire Sizes, Torque and Estimated Watt loss Details
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