SPEC 44066 Southwire® MachineFLEX™ Power PVC THHN

90°C Wet or Dry. 600 Volts. Flexible Stranded Copper Conductor. PVC Insulation and Nylon Jacket (THHN/THWN-2). Oil & Gasoline Resistant. Sunlight Resistant. Rated UL VW-1 and CSA FT1 & FT4 Flame Resistant.

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Application

Southwire’s Machine Flex® power cables are suited for use in wet and dry areas, conduits, ducts, troughs, trays, aerial supported by a messenger, and where superior electrical properties are desired. These cables are capable of operating continuously at the conductor temperature not in excess of 90°C for normal operation in wet and dry locations, 130°C for emergency overload, and 150°C for short circuit conditions. 1/0 AWG & Larger rated for CT use.

Specifications

Select a set of products below for more information:
Conductor Allowable Ampacities+ Resistance
Size (AWG or kcmil) (mm2) No. of Strands Nom. OD (Conductor) (mils) (mm) Nom. OD (mils) (mm) Nom. OD (Over Ins.) (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity at 60C Allowable Ampacity at 75C Allowable Ampacity at 90C Insulation Thickness (mils) (mm) Nom. DC Resistance (Conductor) AC Resistance at 90°C
679607
4/0 AWG 4/0 AWG
2109 2109
664 16.87
743 1106
195 195
230 230
260 260
50 1.27
0.064 0.064
649414
250 KCMIL 250 KCMIL
627 627
747 18.97
858 1277
215 215
255 255
290 290
60 1.52
0.055 0.055
649415
350 KCMIL 350 KCMIL
893 893
812 20.62
1173 1745
260 260
310 310
350 350
60 1.52
0.04 0.04
648948
500 KCMIL 500 KCMIL
1221 1221
1000 25.40
1642 2443
320 320
380 380
430 430
60 1.52
0.029 0.029
649416
600 KCMIL 600 KCMIL
1480 1480
1127 28.63
2035 3028
350 350
420 420
475 475
70 1.78
0.024 0.024
649549
750 KCMIL 750 KCMIL
1850 1850
1258 31.95
2571 3826
400 400
475 475
535 535
70 1.78
0.02 0.02

Standards & References

  • ASTM B3: Soft or Annealed Copper Wire
  • ASTM B172: Standard Specification for Rope-Lay-Stranded Copper Conductors Having Bunch-Stranded Copper Conductors
  • ASTM B174: Standard Specification for Bunch-Stranded Copper
  • UL 83: Thermoplastic Insulated Wires and Cables
  • UL 758: Standard for Appliance Wiring Material Style 2463 (80C, 600V)
  • UL 1063: Machine Tool Wiring (MTW)
  • UL 1685: FT4 Vertical-Tray Fire Propagation and Smoke Release Test (1/0 and Larger)
  • ICEA S-95-658: (NEMA WC70) Power Cables Rated 2000 Volts or Less for the Distribution of Electrical Energy
  • CE/RoHS-2: – The CE Marking has been applied solely to express the conformance to the material restrictions identified in the RoHS-2 (2011/65/EU) Directive
  • Made in America:: Compliant with both Buy American and Buy America Act (BAA) requirements per 49 U.S.C. § 5323(j) and the Federal Transit Administration Buy America requirements per 49 C.F.R. part 661

Construction

  • Conductor: 8 - 4/0 AWG: Class K, Flexible stranded bare copper. 250 - 750 kcmil: Class I, Flexible stranded bare copper
  • Insulation: Polyvinyl Chloride (PVC) with Nylon sheath

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