Is your machine stopping because of broken cables?
You know the feeling. Your production line is running fast. The robot arm is moving. The CNC machine is cutting. Then, suddenly, everything stops. You check the control panel and see an error. You trace the wires and find the same old problem. The cable in the drag chain is cracked. The copper wires inside are showing. Or maybe the signal is acting weird. The data goes up and down. You lose time. You lose money. You have to change the cable again and again. It is frustrating.Standard cables are not built for real work. They get stiff in the cold. They crack when they rub against the steel chain. They break if you bend them too much. You need a cable that moves as fast as your machine. You need a cable that never quits. This is why we bring you the German imported PUR drag chain cable. It is built for the toughest jobs. It bends millions of times without breaking. It resists oil and chemicals. It keeps your signal clean and strong. Let us look at why this cable is the best choice for your factory.
What makes this German PUR cable special?
This is not a cheap copy. This cable comes from German engineering. It uses a special material called PUR. That stands for Polyurethane. PUR is much better than standard PVC or rubber. Why? Because it is incredibly tough. It does not get brittle when it is cold. It does not get soft when it is hot.The structure is designed for movement. Inside, you have 10 cores. These are arranged as 5 pairs of twisted wires. Each wire is 0.34 square millimeters. This size is perfect. It is thick enough to carry power and data, but thin enough to stay flexible. The twisting is important. It stops the wires from tangling. It also stops “crosstalk.” That is when one wire messes up the signal in the wire next to it.But the real star is the shielding. We wrap the twisted pairs in a shield. This is a mesh made of tinned copper. It covers the wires 360 degrees. This shield blocks noise. Electric motors and welders make a lot of electric noise. This noise can ruin your data signals. The shield stops the noise from getting in. It keeps your machine running smooth.
Technical Specs You Can Trust
We believe in being honest. Here are the real numbers for this cable. You can compare them to any other brand.
Physical Details
- Cable Type: Drag Chain / Towline Cable
- Material (Sheath): Imported PUR (Polyurethane)
- Color: Black (RAL 9005) or Orange (RAL 2003)
- Outer Diameter: Approx. 11.5 mm ± 0.2 mm
- Weight: About 120 grams per meter (Lightweight for less drag)
- Conductor: Bare copper, very fine strands (VDE Class 6)
- Core Configuration: 10 Cores (5 Pairs)
- Wire Size: 0.34 mm² (AWG 22)
- Insulation: Special PP or PE material
- Shielding: Tinned copper braid + Aluminum foil (Double shield)
- Shield Coverage: > 85% (Some models reach 90%)
Performance Limits
- Bending Radius (Moving): 10 times the cable diameter (10 x D)
- Bending Radius (Fixed): 5 times the cable diameter (5 x D)
- Bending Cycles: > 10 Million times (Yes, 10 million!)
- Max Speed: 5 to 10 meters per second
- Max Acceleration: 20 to 50 m/s²
- Travel Distance: Up to 50 meters (or more for short strokes)
- Tensile Strength: 45 N/mm² (Very strong pull resistance)
Environmental Ratings
- Temperature (Mobile): -40°C to +90°C (Some grades go to +105°C)
- Temperature (Fixed): -50°C to +90°C
- Oil Resistance: Excellent (Resists coolants and hydraulic oil)
- Flame Retardant: Self-extinguishing (UL/CSA standards)
- Halogen-Free: Yes (Safe for indoor use, low smoke)
- Water/Moisture: Resistant (IP67 capable with proper glands)
- UV Resistance: Good (but we recommend a conduit for direct sun)
Electrical Data
- Rated Voltage: 300V / 500V (For power and signal)
- Test Voltage: 1500V to 2500V AC
- Insulation Resistance: > 20 MΩ per km
- Current Rating: Approx. 4A to 10A per core (depends on grouping)
- Capacitance: Low (Good for high-speed data)
Where should you use this cable?
This cable fits almost any moving part in a factory. If it moves, it needs this cable. Here are the top places we see it used.
CNC Machines and Machining Centers
CNC machines move very fast. The axis moves back and forth all day. Standard cables snap in weeks. This PUR cable lasts for years. It resists the metal chips and the coolant oil. It keeps the encoder signals perfect so your cuts are accurate.
Industrial Robots (6-axis arms)
Robot arms have complex joints. The cables at the “wrist” or “elbow” bend constantly. This is the hardest job for a cable. Our cable handles the torsion and bending. It is light, so the robot uses less energy. It is strong, so it does not break when the arm twists.
Automated Assembly Lines
Conveyor belts, pick-and-place machines, and packaging lines run 24/7. If one cable fails, the whole line stops. You cannot afford that. This cable has a “maintenance-free” design. You install it and forget about it. It handles the constant flexing without failing.
Outdoor and Heavy Equipment
Cranes, stacking machines, and port equipment live outside. They face rain, sun, and salt water. The PUR jacket does not care. It is waterproof and UV stable. It also resists the hydraulic oils used in these machines.
Food and Medical Industry
The PUR material is safe. It does not release toxic fumes if it burns (Halogen-free). It is easy to clean. It resists the chemicals used to wash down factories. This makes it great for food processing machines and medical robots.
Why buy this specific 10-core model?
You might ask, “Why 10 cores? Why 0.34mm?” This is a very popular size for a reason. It is the “Goldilocks” cable.First, 10 cores give you room to grow. You can use 4 pairs for data (like EtherCAT or Profinet). You can use 1 pair for 24V power. Or you can use them all for data. It is flexible. You do not need to run two separate cables. One cable does it all. This saves space in the drag chain. It saves money on connectors.Second, 0.34mm² (AWG 22) is the sweet spot. Thinner wires (like 0.25mm) break too easily if pulled hard. Thicker wires (like 0.5mm or 0.75mm) are too stiff. They take up too much room in the chain. 0.34mm is strong enough for power and signal, but soft enough to bend in a tight radius.Third, the “German Imported” quality means consistency. Every meter is tested. The copper is pure. The PUR material is mixed perfectly. You will not get a batch that is good and then a batch that is bad. It is the same high quality every time.
How to install it correctly
Even the best cable can fail if installed wrong. Here are simple tips to make it last 10 million cycles.
- Check the Bending Radius: Do not bend it too sharp. Keep the curve at least 10 times wider than the cable. If the cable is 12mm wide, the bend should be at least 120mm radius.
- Use the Right Glands: When the cable enters the box, use a strain relief gland. Do not pull the cable by the wires. Clamp the outer sheath.
- Ground the Shield: This is critical. The shield must connect to the ground on BOTH sides (or as per your system design). If you do not ground it, it is just a useless piece of metal. It will not stop noise.
- No Twisting: When you put it in the chain, do not let the cable twist around itself. The chain moves straight. The cable should move straight.
- Separate Power and Data: If you can, put high-voltage power cables in one side of the chain and signal cables in the other. If you must mix them, use this shielded cable to stop the power from messing up the data.
Frequently Asked Questions
Q: Is this cable better than TPE?A: It depends on the use. TPE is good and cheaper. But PUR is better for heavy use. PUR has higher abrasion resistance. It lasts longer against metal friction. It also handles higher temperatures better than most TPEs. If your machine runs hot or fast, choose PUR.Q: Can I use this for Ethernet/Profinet?A: Yes. The twisted pairs and high shielding make it great for industrial Ethernet. However, for very high-speed signals (like 1Gbps), you might need specific twisted pair geometry. For most factory automation (100Mbps), this cable works perfectly.Q: How long will it last?A: In a normal factory setting, with proper installation, you should get 3 to 5 years of 24/7 operation. In terms of bends, it is rated for 10 million cycles. If your machine moves 1 meter back and forth, that is 2 meters of travel. 10 million cycles is 20,000 kilometers of travel. That is a lot of movement.Q: Do you have different colors?A: Yes. Black is standard. We can also do Orange (RAL 2003) which is very popular in Europe for safety. We can do Grey (RAL 7001) on request.Q: What is the price?A: The price depends on the length and the total quantity. Because we are a factory and trading company, we can offer very competitive prices for bulk orders. We beat the big brand names on price but match them on quality.
Ready to stop the downtime?
You have seen the specs. You know the pain of broken cables. You know what German quality feels like. Do not wait for your next machine failure. Upgrade your drag chain cables today.We have stock of this 10-core PUR cable in our warehouse. We can cut it to any length you need. We can add connectors if you want. We can even print your logo on the sheath for big orders.Send us an email now. Tell us how many meters you need. Ask for a sample if you want to test it first. We will reply within 24 hours with our best price. Let us help you build a machine that never stops.Click here to request a quote. Let’s get your cables shipped today.