Rockwell Automation MV SMC Flex Motor Controller (for Series K or later) - Manual (Page 167)

Rockwell Automation Publication 1560E-UM051F-EN-P - June 2013 157
Specifications Appendix A
Table 31 - Control Wire and Power Wire
Description Specifications
Control Wire
All Medium Voltage structures shall be equipped with control wire which meets the following specifications:
Type TEW, Stranded Copper Wire (Tinned)
AWG Size (Control Circuit) #14 AWG – 1.5 mm
2
AWG Size (Current Transformer Circuit) #12 AWG – 2.5 mm
2
Number of Strands 19
Maximum Voltage Rating 600 V
Maximum Rated Temperature 105°C (221°F)
Terminal Blocks 1492-CA1, -CA3
Power Wire
Power wire used to feed the primary of the control power transformer or potential transformers is as follows:
AWG Size #8 AWG
Type AWM
Insulation Rating 7.5 kV
Maximum Temperature Rating 150°C (300°F)
Current Loop #6 AWG
Silicone rubber AWM 50 KV DC, 150°C
The controller shall be wired with the following non-shielded, stranded wire type, based on the current ratings :
Controller Rating
(Amps) AWG Size Type Insulation Rating Maximum Temperature Rating
200 #2 EP-CSPE MV90 8.0 kV 90°C (194°F)
400 #4/0 EP-CSPE MV90 8.0 kV 90°C (194°F)
600 (2) x #4/0 EP-CSPE MV90 8.0 kV 90°C (194°F)