Wire recommendations, Motor considerations, Wire recommendations motor considerations – Rockwell Automation 20G PowerFlex 755 IP00 NEMA/UL Open Drive - Frames 8-10 User Manual
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Rockwell Automation Publication 750-IN020C-EN-P - May 2012
PowerFlex 755 IP00, NEMA/UL Open Type Drive
Wire Recommendations
Motor Considerations
Due to the operational characteristics of AC variable frequency drives, motors
with inverter grade insulation systems designed to meet or exceed NEMA MG1
Part 31.40.4.2 standards for resistance to spikes of 1600 volts are recommended.
Guidelines presented in the Wiring and Grounding Guidelines for Pulse Width
Modulated (PWM) AC Drives (publication DRIVES-IN001) must be followed
when using non-inverter grade motors to avoid premature motor failures.
Type
Description
Min. Insulation Rating
Power
(1)(2)
(1) Control and signal wires should be separated from power wires by at least 0.3 meters (1 foot).
(2) The use of shielded wire for AC input power may not be necessary but is always recommended.
Standard
• Four tinned copper conductors with XLPE insulation.
• Copper braid/aluminum foil combination shield and
tinned copper drain wire.
• PVC jacket.
600V,
75 °C (167 °F)