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Cable Specification Sheet SAE J1128 · Rev 01 · 2026-06

TXL · 3.0 mm²

Ordering reference  TXL · 3.0 mm²

SAE J1128 TXL

Application

Engine harnesses · Compact vehicle harnesses · Heat exposed circuits · Truck and trailer wiring

12
Indicative single-core construction — copper conductor, not to scale

Construction

  1. 1
    ConductorBare or tinned copper conductor · 60 × Ø0.25 mm
  2. 2
    InsulationXLPE · Wall 0.50 mm

Technical parameters

AWG size12 AWG
Approx. cross-section3.0 mm²
No. and dia. of wires60/0.25
Conductor dia. max. (mm)2.25
Max DC resistance at 20 °C (Ω/km)6.17 Ω/km
Insulation min. wall (mm)0.50
Overall diameter approx. (mm)3.25
Approx. cable weight (kg/km)31.7
Operating temperature−40 °C to +90 °C
Current rating (guide)≈ 38 A (Cu, 1-core free air, 30 °C — IEC 60364-5-52 guide)
Routine test voltage2.0 kV a.c. 5 min

Ratings & materials

StandardSAE J1128
Voltage class60 V DC vehicle circuits
Temperature class-40 °C to +125 °C typical class
Colour / markingBlack, red, blue, yellow, green, white, brown or specified color
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