1. WDZB-YJY Medium Voltage Cable Voltage Ratings
WDZB-YJY-3.6/6kV
WDZB-YJY-6/6kV
WDZB-YJY-6/10kV
WDZB-YJY-8.7/10kV
WDZB-YJY-8.7/15kV
WDZB-YJY-12/20kV
WDZB-YJY-18/30kV
WDZB-YJY-26/35kV
2. Scope of Application
WDZB-YJY low-smoke, halogen-free, environmentally friendly power cables are suitable for AC 50Hz transmission lines with low-smoke, halogen-free, flame-retardant performance requirements and certain outer sheath insulation requirements. They are used for power transmission and distribution.
3. WDZB-YJY Low-Smoke, Halogen-Free, Environmentally Friendly Power Cable Structure
Conductor: Type II oxygen-free copper conductor
Conductor shield: Semi-conductive shield
Insulation: Cross-linked polyethylene (XLPE)
Insulation shield: Semi-conductive shield
Metallic shield: Copper tape shield for WDZB-YJY cables 3.6 kV and above, and 30 kV and below; 50-400 mm² copper tape shield and 500-800 mm² copper wire shield for WDZB-YJY cables 26/35 kV.
Tape: Flame-retardant tape
Outer Sheath: Low-smoke, halogen-free, flame-retardant polyolefin
4. Sheath Color
Black (or as per customer's request)
5. Temperature Rating
Conductor Maximum Operating Temperature: +90°C
Ambient Operating Temperature: -40°C to +45°C
Cable Laying Temperature: 0°C or higher (if the ambient temperature is below 0°C, the cable should be preheated).
6. Minimum Bend Radius
Single-core Cable: 20D
Note: D is the actual outer diameter of the cable.
7. Laying Method
Pipe laying, trench laying, tunnel laying, shaft laying, bridge laying, etc.
8. Applications of WDZB-YJY Low-smoke, Halogen-Free, Environmentally Friendly Power Cable
Mainly used in applications requiring fire resistance, such as fire alarms, firefighting equipment, smoke exhaust equipment, and power supply lines for emergency facilities such as emergency transportation and lighting.
9. Product Features
WDZB-YJY low-smoke, halogen-free, environmentally friendly power cables offer excellent flame retardancy. In the event of a fire, they slow the spread of smoke, reduce smoke density, enhance visibility, and minimize the release of harmful gases.