FLR9Y-B Automotive Cable: Technical Specifications
(Per German Automotive Standards DIN 72551, DIN 76772, VDE 0281)
| Parameter | Specification | Standard |
|---|
| Conductor | Stranded fine-copper (Cl. 5 per DIN EN 60228) | DIN 46435 |
| Cross-Section | Typically 0.35–2.5 mm² (standard automotive range) | DIN 72551-1 |
| Insulation | PVC Type FLR9Y (Halogen-free, flame-retardant) | DIN 76772 |
| Temperature Range | -40°C to +105°C (short-term +120°C) | DIN EN 60811 |
| Voltage Rating | 60V DC / 25V AC | DIN 72551-6 |
| Outer Diameter | See manufacturer datasheet (e.g., 2.2 mm for 0.5 mm²) | DIN 46228-1 |
| Color Coding | Single-color or striped per OEM requirements | DIN 47100 |
Electrical Performance Data
| Property | Value | Test Standard |
|---|
| Max. Conductor Resistance | ≤ 39.0 Ω/km (0.5 mm² at 20°C) | DIN EN 60228 |
| Insulation Resistance | ≥ 40 MΩ·km (after 7 days at 50°C) | DIN EN 60811-2-1 |
| Dielectric Strength | 1.5 kV AC (50 Hz, 5 min) | DIN VDE 0482-461 |
| Capacitance | ≤ 120 nF/km (1 kHz, 20°C) | DIN EN 60250 |
Key Application Requirements
- Environmental Resistance:
- Oil/grease resistant per DIN EN 60811-404
- Resistant to fuels (DIN 51631), acids, alkalis, and coolants.
- UV and ozone resistant (DIN 53384).
- Flame Retardance:
- Self-extinguishing per DIN EN 60332-1-2 (vertical flame test).
- Halogen-free combustion gases (toxicity compliance per DIN 5510-2).
- Mechanical Durability:
- Abrasion resistance: > 10,000 cycles (DIN EN 50396).
- Bend radius: ≥ 4× cable diameter.
- Vibration resistance: 10–2000 Hz, 50 m/s² (DIN EN 60068-2-6).
- Chemical Compatibility:
- Compatible with automotive fluids (e.g., engine oil, brake fluid, AdBlue®).
Typical Applications & Usage
- Primary Use: Signal wiring, sensor connections, and low-voltage control circuits in high-temperature zones.
- Vehicle Systems:
- Engine compartments (e.g., ECU, sensors, injectors).
- Transmission systems.
- Exhaust gas sensors (O₂/Lambda probes).
- HVAC and cooling systems.
- OEM Adoption: Widely used in German OEMs (VW, BMW, Mercedes-Benz) per specifications:
- Volkswagen TL 82466
- Mercedes-Benz DBL 7384
- BMW GS 95011-25
Standards Compliance
| Standard | Description |
|---|
| DIN 72551-6 | Road vehicles – Cable types and markings. |
| DIN 76772 | PVC insulation for automotive cables. |
| ISO 6722 | Road vehicles – 60V cable requirements. |
| VDE 0281 | Thermoplastic insulation standards. |
Note: Exact values vary by manufacturer (e.g., LEONI, KROSCHU, DRÄXLMAIER,TRIUMPH CABLE). Always refer to the supplier’s datasheet for project-specific validation. FLR9Y-B is optimized for reliability in harsh automotive environments while meeting strict German OEM quality protocols.
