Understanding VDE-certified power cables is critical for selecting the right wiring solution. Here’s a breakdown of the differences between these common cable types:
1. Model Identification & Structure
- H03/H05 Prefix:
H03: 300/300V voltage ratingH05: 300/500V voltage rating (higher insulation thickness ≥0.6mm)
- VV: Double-layer PVC insulation
- H2 Suffix:
- Indicates flat, non-separable structure (only for 2-core cables)
- Absence of H2 = round structure
- F Suffix: Fine-wire flexible design
2. Electrical Performance
| Series | Voltage Rating | Insulation Thickness | Max Conductor Area | Use Case Restrictions |
|---|---|---|---|---|
| H03VV-F | 300/300V | 0.5mm | ≤0.75mm² | Not for outdoor/industrial use if ≥0.75mm² |
| H05VV-F | 300/500V | ≥0.6mm | ≥0.75mm² | Ideal for high-current scenarios |
Note: H03VVH2-F and H05VVH2-F share identical electrical specs to their non-H2 counterparts but feature a flat structure.
3. Key Applications
- H03 Series (H03VV-F/H03VVH2-F):
- Low-power indoor appliances (≤300V)
- Cost-effective for lamps, small electronics
- H05 Series (H05VV-F/H05VVH2-F):
- Industrial machinery & high-stress environments
- Outdoor equipment requiring higher voltage tolerance
- Flat vs. Round:
- H2 (flat) cables save space in tight installations
- Non-H2 (round) suits standard conduit routing
| Model | Structure | Rated Voltage | Applications |
|---|---|---|---|
| H03VVH2-F | Flat twin-core | 300/300V | Internal wiring for small appliances (lamps, vacuum cleaners, office equipment) |
| H03VV-F | Round | 300/300V | Light-duty household appliances (kitchen gadgets, radios) |
| H05VVH2-F | Flat twin-core | 300/500V | Medium-light mobile appliances & instruments (requiring higher mechanical protection) |
| H05VV-F | Round | 300/500V | Industrial flexible applications (power lighting, electric tools) |
4. Shared Characteristics
- Temperature Range: -5°C to +70°C (static: -40°C to +70°C)
- Flame Retardancy: IEC 60332-1-2 compliant
- Grounding: 3+ core cables include TPE (yellow/green) ground wire
5. Selection Guide
- Voltage Needs:
- ≤300V? Choose H03 series for cost efficiency.
- ≥500V? Opt for H05 series.
- Space Constraints:
- Compact areas → H2 flat cables (e.g., H03VVH2-F)
- Environment:
- Industrial/high-vibration → H05VV-F/H05VVH2-F
- Conductor Size:
- 0.75mm²? Only H05 series is VDE-compliant.
Why Trust JZD Cable?
At JZD Cable, we manufacture IEC, VDE, and UL-certified cables with precise compliance. Our H03/H05 series cables undergo rigorous testing for safety and durability—ensuring optimal performance in your applications.
Explore our VDE-certified power cables today for reliable, standards-driven solutions.
