104
Cable types
Cable sizing is based on NEC Table 310-16 for copper wires, 75 °C (167 °F) wire insulation at 40 °C
(104 °F) ambient temperature. Not more than three current-carrying conductors in raceway or cable or
earth (directly buried). For other conditions, dimension the cables according to local safety regulations,
appropriate input voltage and the load current of the drive.
Copper cables with concentric copper shield
Max. load
Cable Entries
Input, motor and brake resistor cable terminal sizes (per phase) and tightening
torques are given below . For units without enclosure extension, one hole cable lugs
(1/2 inch diameter) can be used. The maximum allowed width of the cable lug is 1.5
inches. For units with enclosure extension, two hole cable lugs (1/2 inch diameter)
can be used.
Frame
size
R7
R8
Technical data
Cable type
current
A
AWG/kcmil
57
75
88
101
114
132
154
176
202
224
250 MCM or 2 x 1
251
300 MCM or 2 x 1/0
273
350 MCM or 2 x 2/0
295
400 MCM or 2 x 2/0
334
500 MCM or 2 x 3/0
370
600 MCM or 2 x 4/0 or 3 x 1/0
405
700 MCM or 2 x 4/0 or 3 x 2/0
449
2 x 250 MCM or 3 x 2/0
502
2 x 300 MCM or 3 x 3/0
546
2 x 350 MCM or 3 x 4/0
590
2 x 400 MCM or 3 x 4/0
669
2 x 500 MCM or 3 x 250 MCM
739
2 x 600 MCM or 3 x 300 MCM
810
2 x 700 MCM or 3 x 350 MCM
884
3 x 400 MCM or 4 x 250 MCM
1003
3 x 500 MCM or 4 x 300 MCM
1109
3 x 600 MCM or 4 x 400 MCM
1214
3 x 700 MCM or 4 x 500 MCM
U1, V1, W1, U2, V2, W2, UDC+/R+, UDC-, R- Earthing PE
Screw
1/2
1/2
6
4
3
2
1
1/0
2/0
3/0
4/0
Tightening torque
lbf ft
37...55
37...55
Screw
Tightening torque
lbf ft
5/16
11...16
5/16
11...16