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UL 3644 Wire, Braidless Silicone Insulation (200°C)

High Temperature Wire

UL 3644 Wire Construction:

  • Conductor
    • Material: Stranded, Tinned Copper
    • Available Sizes: 18 AWG to 4/0
  • Insulation
    • Material: Braidless Silicone Rubber compound - Low Smoke, Zero Haolgen (LSZH) and Flame Retardant
    • Paper Wrap: 8 AWG to 4/0 only

UL3644 Wire Applications: UL 3644 wire is designed for use in appliances, Military, space, and industrial areas where high abrasion resistance, high voltage, and flexibilityare major requirements.

UL 3644 Wire Ratings and Approvals:

  • Voltage Rating: 1000V (Maximum AC voltage rating in air)
  • Temperature Rating: 200°C continuous use
  • Industry Ratings
    • CSA AWM 1 A/B
    • CSA FT-2 Flame test

UL 3644 wire manufactured by Rowe Industries by using a single extrusion of silicone, which translates into less manufacturing processes and meaning lower prices. It's also lightweight and formed from base silicone rubber without the fiberglass braid found on most silicone wire products. Without the braid, there are no fraying issues, a reduced number of splices making it easier to process and strip, especially in high volume situations.  The braidless UL3644 wire also features better tensile strength as well as better abrasion and cut resistance, compared to other similar products on the market, most notably Radix's Sil-A-Blend.  See the difference for yourself in this video.

 

Part Number AWG SizeConductor StrandingNom. Insul. Thick. (in)Nom. O.D. (in)Approx LBS/MFT
UL3644-BHB 18 7 0.035 0.1210 5.1
UL3644-BJB 16 7 0.035 0.1330 8.6
UL3644-BKB 14 7 0.035 0.1470 12.7
UL3644-BLE 12 19 0.037 0.1680 18.8
UL3644-BMG 10 37 0.045 0.2050 31.8
UL3644-BN70 8 70 0.060 0.3130 54
UL3644-BP114 6 114 0.060 0.3620 85
UL3644-BRL 4 133 0.060 0.3920 133
UL3644-BSN 2 259 0.060 0.4620 210
UL3644-BTN 1 259 0.080 0.5400 265.24
UL3644-BUN 1/0 259 0.080 0.5900 335.61
UL3644-BWN 2/0 259 0.080 0.6450 422.22
UL3644-BYN 3/0 259 0.080 0.7050 527.78
UL3644-BZN 4/0 259 0.080 0.7650 671.22