Recommended Control And Signal Wire Sizes; Recommended Motor Lead Lengths; Table 3.5 - Recommended Terminal Strip Wire Sizes - Reliance electric GV3000/SE Installation Manual

3.2.2.2 Recommended Control and Signal Wire Sizes

3.2.2.3 Recommended Motor Lead Lengths

3-6
Table 3.4 - Recommended Power Wire Sizes for 60 to 100 HP HP Drives
Type of Wiring
AC Input Power
Output Power
DC Input Power
The recommended wire size to connect I/O signals to the terminal strip on the
Regulator board are shown in table 3.5. Recommended terminal tightening torque
is 0.5 Newton-meters (4.5 in-lb). Operator controls can be up to 303 meters (1000
feet) from the GV3000/SE drive.

Table 3.5 - Recommended Terminal Strip Wire Sizes

Terminals
1 to 31
The following motor lead lengths are recommended to reduce line disturbances and
noise. See figure 3.3.
• For applications using one motor, motor lead length should not exceed 76
meters (250 feet). Note that drives using vector regulation can only be
connected to one motor at a time.
• For applications with multiple motors, total motor lead length should not exceed
76 meters (250 feet).
When total lead length exceeds 76 meters (250 feet), nuisance trips can occur,
caused by capacitive current flow to ground. Note that these capacitively-coupled
currents should be taken into consideration when working in areas where drives are
running. If the motor lead length must exceed these limits, the addition of output
line reactors or other steps must be taken to correct the problem. See tables 3.6
and 3.7. Note that the motor lead lengths shown in table 3.6 are only guidelines.
Your application may be restricted to shorter lead length due to:
• the type of wire
• the placement of wire (for example, in conduit or a cable tray)
• the type of line reactor
• the type of motor.
Terminals
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
P, N
GV3000/SE 230 VAC 30-100 HP Drive, Hardware Reference Version 6.04
Size of Wire (Maximum)
500 Kcmil (or 250 mm
Wire Size
20 to 14 AWG, 0.5 to 2 (mm
)
2
)
2