Tired of cables that crack, break, or cause machine downtime?
You know the frustration. You install a new cable in a conveyor system or a robot arm. It looks good on day one. But after a few weeks of movement, the outer jacket starts to crack. The copper wires inside snap from constant flexing. Your production line stops. You lose money. You lose time.Standard PVC cables just don’t cut it in tough environments. They get brittle in the cold. They melt or swell when they touch oil. They are too stiff to bend in tight cable chains (energy chains). You need a cable that moves as freely as your machine does. You need a cable built for millions of bending cycles. You need the LAPP ÖLFLEX CLASSIC FD 810 P 4G1.5 mm².This isn’t just a wire. It is a heavy-duty, high-flexibility power and control cable designed by German engineers for the real world. It solves the headache of frequent replacement and electrical noise in industrial automation.
What makes the FD 810 P 4G1.5 special?
This cable is part of the famous ÖLFLEX family from LAPP, a world leader in cable technology. The “FD” stands for “Flexible Drive.” The “810 P” refers to the specific PUR (Polyurethane) sheath compound.The core of this product is its construction. It uses 4 cores, each with a 1.5 mm² cross-section. All four cores are made of fine-stranded copper (Class 5 flexibility according to IEC 60228). This means the wire is not a solid, stiff rod. It is made of hundreds of tiny copper threads woven together. This allows the cable to bend, twist, and rotate without breaking the internal connection.The “4G” configuration means you get three power/signal cores plus a dedicated Protective Earth (PE) core. The earth core is yellow-green. This is critical for safety. It ensures that if a live wire touches the metal casing of your machine, the breaker trips immediately, protecting your operators from shock.Unlike cheap copies, the FD 810 P uses a PUR outer sheath. PVC is cheap, but it attacks easily by oil, diesel, and UV sunlight. PUR is tough. It resists abrasion. It resists chemicals. It handles UV rays without cracking.
Technical Specifications: The numbers you need
When you are engineering a control panel or a moving machine, you need exact data. Here is the technical breakdown for the 4G1.5 mm² version:
- Conductor Material: Bare copper, electrolytic grade (99.9% pure).
- Stranding: Class 5 (Fine-stranded/flexible). Layered stranding.
- Number of Cores: 4 (3 active cores + 1 Earth core).
- Nominal Cross-Section: 1.5 mm² per core.
- Nominal Voltage: 300/500 V (U0/U). Test voltage is 4 kV.
- Outer Diameter: Approx. 8.1 mm. This is slim enough to fit in tight spaces but robust enough for heavy use.
- Weight: Approx. 114 kg/km (Copper index is 58 kg/km).
- Bending Radius:
- For fixed installation: 4 x outer diameter (approx. 32 mm).
- For flexible/moving use: 7.5 x outer diameter (approx. 61 mm).
- Note: Never bend it sharper than this, or you will damage the core.
- Temperature Range:
- Flexing (moving): -40°C to +90°C.
- Fixed (stationary): -50°C to +90°C.
- Sheath Material: PUR (Polyurethane). Color is usually Black (RAL 9005) or Orange (for specific drag chains), but grey is also available for general use.
- Shielding: Unshielded. (If you need shielding against electromagnetic interference, look for the screened version or add a braid).
- Approvals: VDE, UL, CSA, CE, RoHS, ISO.
Where should you use this cable?
You should use the LAPP ÖLFLEX CLASSIC FD 810 P 4×1.5mm wherever there is movement or harsh conditions. It is the perfect choice for:1. Cable Carriers (Energy Chains):This is the #1 use case. If your cable is inside a plastic or steel chain that moves back and forth on a CNC machine or a lift, this cable is mandatory. It is rated for high bending cycles (millions of movements).2. Robot Arms and Servo Motors:The cable connects the controller to the motor. It needs to twist and turn constantly. The fine-stranded copper and PUR jacket prevent “metal fatigue” in the wires.3. Conveyor Systems:In packaging plants or mining, cables get dragged over rollers. The abrasion-resistant PUR sheath protects against sharp edges and friction.4. Outdoor and Wet Environments:If the cable is exposed to rain, snow, or washing chemicals, the PUR sheath acts as a waterproof barrier. It is also UV stable, so sunlight won’t make it brittle.5. Control Panels and Switchgear:Even inside a cabinet, space is tight. The slim 8.1 mm diameter saves space. The flexible nature makes it easy to route through wire ducts without tools.
Why choose LAPP over cheap alternatives?
You can find cheaper “4 core 1.5mm cables” on Alibaba or from local traders. But here is the truth about why smart engineers choose LAPP:
- Consistent Quality: LAPP has strict quality control. Every meter of ÖLFLEX FD 810 P has the exact same copper purity and sheath thickness. Cheap cables might have thin insulation in one spot and thick in another.
- Longevity: A cheap PVC cable might last 6 months in a drag chain. The LAPP FD 810 P can last 5 years or more. The cost per year is much lower.
- Safety: The insulation resistance is high. The flame retardancy is tested (IEC 60332-1-2). In a fire, it doesn’t spread the flame easily.
- Chemical Resistance: If your factory uses cutting oil or hydraulic fluid, a standard cable will absorb the oil and swell up, ruining the connection. The LAPP PUR sheath repels oil and chemicals.
Installation Tips for Best Results
To get the maximum life out of your 4G1.5 flexible control cable, follow these simple rules:
- Check the Bend Radius: Do not kink the cable. If you bend it too sharp, the copper strands inside will snap. Keep the curve smooth.
- Avoid Tension: In moving applications, the cable should be slightly loose (about 10% longer than the travel distance). It should not be pulled tight.
- Separate Power and Data: If possible, keep high-voltage power cables away from this control cable to avoid interference. If they must cross, cross them at 90 degrees.
- Strain Relief: When connecting to a motor or sensor, use proper cable glands or strain reliefs to stop the cable from being ripped out by movement.
- Storage: Keep the cable on a spool. Do not pull it from a tangled pile, or it will twist and curl, making installation hard.
Frequently Asked Questions about this product
Is this cable shielded?The standard ÖLFLEX CLASSIC FD 810 P 4G1.5 is unshielded. It is great for power and simple control signals. If you are running sensitive data (like Ethernet or high-precision analog sensors) near heavy motors, you might get electrical noise. For that, we recommend the shielded version (with a copper braid) or a separate screened cable.Can I use this for 240V mains power?Yes. The rated voltage is 300/500V. It is perfectly safe for 110V, 230V, or 400V applications, as long as the current does not exceed the ampacity of 1.5mm² copper (roughly 15-20 Amps depending on installation).What is the difference between FD 810 and CLASSIC 110?CLASSIC 110 is a general-purpose cable with a PVC sheath. It is cheaper and good for fixed wiring indoors. FD 810 is a “premium” flexible cable with a PUR sheath. It is oil-resistant, more flexible, and built for moving parts. If the cable moves, buy FD 810. If it sits still in a wall, CLASSIC 110 is fine.Do you sell it by the meter or by the roll?We can supply both. We sell full drums (usually 100m, 500m, or 1000m) for bulk projects. We also offer cut-to-length services for maintenance and repair jobs.
Ready to upgrade your wiring system?
Don’t wait for the next breakdown. If you are building machines, maintaining a factory, or running an automation line, you need cables that work as hard as you do. The LAPP ÖLFLEX CLASSIC FD 810 P 4G1.5 mm² is the gold standard for flexible control. It is robust, reliable, and easy to install.We are a professional cable supplier with direct access to the LAPP manufacturing network. We can offer competitive pricing and fast shipping to the USA, UK, Australia, and Europe. Whether you need 10 meters for a prototype or 10 kilometers for a production run, we have you covered.Click the “Request Quote” button now. Tell us your required length and destination. We will send you a detailed quotation within 24 hours. Let’s build something reliable together.