The WDZ-DCYJ-125 cable is suitable for use in environments where subway vehicles, rolling stock, etc. are relatively closed, with concentrated personnel, and where low-smoke and halogen-free performance is demanding. Particularly suitable for internal power distribution and power supply systems of subway vehicles and rolling stock. 1. Product model WDZ-DCYJ-125;   2. Executive standard: GBl 2528.11-2003, rated voltage: 500V, 750V, 1500V. 3000V.   3. Nominal cross section: O.75-300mm2;   4. Excellent temperature resistance: long-term working temperature is 125℃, short-circuit overload temperature can reach 250℃ (5s);   5. Excellent electrical insulation properties, physical and mechanical properties and high and low temperature resistance;   6. The flame retardant performance of the cable meets the requirements of GB/T18380.1-2001;   7. Excellent softness and wear resistance;   8. Excellent low-smoke and halogen-free characteristics;      1) Conductivity ≤10 u s/mm;      2) The light transmittance of smoke generated when the cable is burning is ≥60%;      3) PH value ≥ 4.3;      4) The halogen content is less than or equal to 5mg/g.