SPEC: 44066

300-741 SD CU THHN/THWN-2 600V MACHINE FLEXIBLE POWER BLACK

Southwire #: 67286699

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Application & Features

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

Cond. Size 300 KCMIL 300 KCMIL
Conductor Number 1.0 1.0
Cond. Strands 741 741
Diameter Over Conductor (in) (cm) 0.638 1.62 inch cm
Inner Layer Thickness (mils) (mm) 70 1.78 mils mm
Approx. OD (in) (cm) 0.780 1.98 inch cm
Approx. Weight (lbs/1000') (kgs/km) 1024 1524 lbs/1000' kgs/km

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

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

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