Omron VARISPEED E7 User Manual page 45

Inverter
Model
CIMR-
E7Z4185
2
E7Z4220
E7Z4300
* The wire thickness is set for copper wires at 75°C.
IMPORTANT
10
2-
Table 2.2 400 V Class Wire Sizes
Terminal Symbol
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3, R1/L11, S1/L21, T1/L33
, 1
3
r/l1, ∆200/ 200, ∆400/
400
l2 l2
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3, R1/L11, S1/L21, T1/L33
, 1
3
r/l1, ∆200/ 200, ∆400/
400
l2 l2
R/L1, S/L2, T/L3
R1/L11, S1/L21, T1/L31
U/T1, V/T2, W/T3
, 1
3
r/l1, ∆200/ 200, ∆400/
400
l2 l2
Determine the wire size for the main circuit so that line voltage drop is within 2% of the rated voltage.
Line voltage drop is calculated as follows:
Line voltage drop (V) =
Termi- Tightening
nal Torque
Screws (N•m)
M16 78.4 to 98
M4 1.3 to 1.4
M16 78.4 to 98
M4 1.3 to 1.4
M16 78.4 to 98
M4 1.3 to 1.4
3
x wire resistance (W/km) x wire length (m) x current (A) x 10
Recom-
Possible
mended Wire
Wire Sizes
Wire Type
2
Size mm
2
mm (AWG)
(AWG)
150 × 2P
(300 × 2P)
120 × 2P
(250 × 2P)
95 to 300
300 × 2P
(4/0 to 600)
(600 × 2P)
–
95 × 2P
(3/0 × 2P
0.5 to 4 1.5
(20 to 10) (16)
240 × 2P
(500 × 2P)
240 × 2P
(400 × 2P)
95 to 300
120 × 4P
Power cables,
(4/0 to 600)
(250 × 4P)
e.g., 600 V vinyl
– power cables
120 × 2P
(250 × 2P)
0.5 to 4 1.5
(20 to 10) (16)
120 × 4P
(250 × 4P)
120 × 4P
(4/0 × 4P)
95 to 300
240 × 4P
(4/0 to 600)
(400 × 4P)
–
120 × 2P
(250 × 2P
0.5 to 4 1.5
(20 to 10) (16)
-3