ZR-RV Cable is a flame-retardant flexible copper conductor wire insulated with high-quality PVC. It is designed for control circuits, electrical connections, and signal transmission in various types of equipment, offering enhanced safety performance in fire-prone environments.
🔧 Applications
ZR-RV fire-resistant cables are suitable for:
🔌 Electrical control panels and power distribution boxes
⚙️ Internal wiring of machinery and automation systems
📡 Signal transmission and electronic equipment
🏭 Industrial, commercial, and residential electrical installations
Designed for fixed installations where flame retardancy is required according to GA 306.1.
🧱 Cable Construction

zr rv cable Cross Section
| Component | Description |
|---|---|
| Conductor | Flexible stranded copper wire (Class 5, GB/T 3956) |
| Insulation | Flame-resistant and heat-resistant PVC |
| Color Options | Black, red, blue, white, green, yellow, yellow/green |
| Standard | GB/T5023, GA 306.1 |
⚙️ Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | < 1.5mm²: 300/500V ≥ 1.5mm²: 450/750V |
| Test Voltage (5 min) | < 1.5mm²: 2000V ≥ 1.5mm²: 2500V |
| Operating Temperature | Static: -15°C to +70°C |
| Fire Performance | Flame-retardant as per GA 306.1 |
📊 Technical Data Sheet
| Item No. | Spec. | Nominal OD (mm) | Conductor Resistance (Ω/km at 20°C) | Weight (kg/km) |
|---|---|---|---|---|
| 7144050 | ZR-RV 0.5mm² | 2.2 | 39.0 (BC) / 40.1 (TC) | 9 |
| 7144051 | ZR-RV 0.75mm² | 2.4 | 26.0 / 26.7 | 12 |
| 7144052 | ZR-RV 1.0mm² | 2.6 | 19.5 / 20.0 | 15 |
| 7144053 | ZR-RV 1.5mm² | 3.2 | 13.3 / 13.7 | 23 |
| 7144054 | ZR-RV 2.5mm² | 3.8 | 7.98 / 8.21 | 34 |
| 7144055 | ZR-RV 4.0mm² | 4.4 | 4.95 / 2.09 | 51 |
| 7144056 | ZR-RV 6.0mm² | 5.2 | 3.30 / - | 74 |
| 7144057 | ZR-RV 10mm² | 6.5 | 1.91 / - | 122 |
| 7144058 | ZR-RV 16mm² | 7.8 | 1.21 / - | 174 |
| 7144059 | ZR-RV 25mm² | 9.5 | 0.780 / 0.795 | 281 |
| 7144060 | ZR-RV 35mm² | 10.9 | 0.544 / 0.565 | 386 |
| 7144061 | ZR-RV 50mm² | 12.6 | 0.386 / 0.393 | 540 |
| 7144062 | ZR-RV 70mm² | 14.6 | 0.272 / 0.277 | 752 |
| 7144063 | ZR-RV 95mm² | 16.7 | 0.206 / 0.209 | 998 |
| 7144064 | ZR-RV 120mm² | 18.3 | 0.161 / - | 1245 |
| 7144065 | ZR-RV 150mm² | 20.4 | 0.129 / 0.132 | 1553 |
| 7144066 | ZR-RV 185mm² | 22.7 | 0.106 / 0.108 | 1921 |
| 7144067 | ZR-RV 240mm² | 26.2 | 0.0801 / 0.0817 | 2511 |
(BC: Bare Copper / TC: Tinned Copper)
✅ Key Advantages
Excellent flame-retardant performance for enhanced safety
Smooth flexibility and easy installation
High purity copper conductor for low resistance
Wide range of sizes from 0.5mm² to 240mm²
Lightweight and cost-efficient design
📦 Packaging & Supply
Coil or reel packing available
Custom sheath printing on request
MOQ flexible for standard sizes
Ready stock for popular models
📩 Contact Us for a Quote
Looking for a reliable ZR-RV fire-resistant cable supplier?
Contact TOT Wire & Cable today for technical support, sample requests, or customized solutions.

