Installing Power Wiring 5-5
5.3 Power Wiring Specifications
5.4 Power Terminal Block Connections
Table 5.2 – Power Wiring Specifications
Power Wire Rating Recommended Copper Wire
Unshielded 600V, 75°C (167°F)
THHN/THWN
15 mils insulated, dry location
Shielded 600V, 90°C (194°F)
RHH/RHW-2
Belden 29501-29507 or
equivalent
Shielded Tray rated 600V, 90°C (194°F)
RHH/RHW-2
Shawflex 2ACD/3ACD or
equivalent
Table 5.3 – Power Terminal Block Specifications
Frame Maximum Wire Size
1
1
Maximum/minimum sizes that the terminal block will accept. These are not
recommendations.
Minimum Wire Size
1
Torque
A
3.3 mm
2
(12 AWG) 0.8 mm
2
(18 AWG)
1.7-2.2 Nm
(16-19 in-lb)
B
5.3 mm
2
(10 AWG) 1.3 mm
2
(16 AWG)
Terminal Description
R/L1, S/L2 1-Phase Input
R/L1, S/L2,
T/L3
3-Phase Input
U/T1 To Motor U/T1 Switch any two
motor leads to
change forward
direction.
V/T2 To Motor V/T2
W/T3 To Motor W/T3
BR+, BR- Dynamic Brake Resistor Connection
(All ratings 100% rated.)
PE Ground
Figure 5.5 – Power Terminal Block Connections
V/T2T/L3S/L2R/L1 U/T1 W/T3
BR+
BR-
Power Terminal Block