Tired of cables that crack, stiffen up in the cold, or cause short circuits in your machines?
We know the struggle. You run a factory or manage a facility where downtime costs money. You buy cheap cables to save a few bucks, but they break easily when moved. The insulation peels off. The wires get brittle in the winter. Or worse, oil from the machinery eats through the jacket, exposing live copper and creating a safety hazard.You need a cable that works as hard as you do. You need something that bends without breaking, resists oil and chemicals, and carries the signal reliably for years. You need the FUJI VCTF 30-Core 0.75mm² Flexible Control Cable.This isn’t just a wire. It is a high-grade Japanese standard power and control cord built for tough industrial environments. Whether you are wiring a robot arm, a conveyor belt system, or a complex control panel, this 30 core flexible cable handles the job without the headache.
What makes this VCTF cable special?
VCTF stands for Vinyl Cabtyre Round Cord. It is the gold standard for flexible equipment wiring in Japan and across Asia. Fuji Electric Wire Industries makes this cable with strict quality control.The “30-Core” part means you get 30 separate wires inside one outer jacket. Each wire has a cross-section of 0.75 square millimeters. This size is the “sweet spot.” It is thick enough to carry power and signals reliably, but thin enough to keep the whole cable flexible.The “Pure Copper” part is crucial. Many cheap cables use Copper Clad Aluminum (CCA) to cut costs. CCA breaks easily and has higher resistance, which causes heat. This cable uses fine-stranded soft copper. It conducts electricity better and lasts longer.The “Oil-Resistant” feature protects the cable in dirty environments. Factories are full of lubricants, cutting fluids, and hydraulic oils. Standard PVC gets soft and sticky when it touches oil. This special PVC compound repels oil, keeping the insulation strong and safe.
Technical Specifications: The Numbers You Need
When you buy industrial wire, you need exact data to make sure it fits your system. Here is the breakdown for the VCTF 0.75sq x 30C model:
Electrical Ratings
- Rated Voltage: 300 Volts. This is perfect for low-voltage control circuits and small appliances.
- Allowable Current: 3 Amps (when bundled) up to 5 Amps (depending on installation). This is enough for sensors, relays, and small motors.
- Conductor Resistance: Approximately 25.1 Ohms per kilometer. Low resistance means less energy loss and less heat.
Physical Construction
- Conductor Material: Soft copper strands (Class 5 flexible).
- Stranding: Each core is made of 30 strands of 0.18mm wire twisted together. This fine stranding is the secret to its flexibility.
- Insulation: Vinyl (PVC) mixture. Each core has its own color code for easy identification.
- Sheath (Outer Jacket): Ash/Gray PVC. The gray color hides dirt and is standard for industrial equipment.
- Sheath Thickness: Average 1.08mm (minimum 0.84mm). This is a tough jacket that resists abrasion.
Dimensions and Weight
- Finished Outer Diameter: Approximately 17.3mm (about 0.68 inches). It is roughly the thickness of a garden hose, but much more flexible.
- Weight: About 480 kg per kilometer (or 0.48 kg per meter). It is light enough to handle easily but heavy enough to show quality.
- Bending Radius: Minimum 104mm (4.1 inches). You can bend it sharply without damaging the internal wires.
Performance Limits
- Operating Temperature: -25°C (fixed) to -15°C (movement) on the low end, and up to +60°C on the high end. It won’t crack in a cold warehouse, and it won’t melt near a warm motor.
- Flame Retardancy: Meets JIS C3005 standards. It is self-extinguishing, meaning if a fire starts, the cable won’t keep burning once the flame is removed.
Real-World Applications: Where to use this cable
You might be wondering, “Do I really need 30 wires?” If you are building complex machinery, the answer is yes. Here are the top use cases for this 30 core 0.75mm wire:
Industrial Control Panels
Factories use massive control boxes to run production lines. You need separate wires for start buttons, stop buttons, indicator lights, PLC inputs, and sensor feeds. A 30-core cable lets you run all these signals in one pull, saving hours of labor.
Robotics and Automation
Robot arms have many joints. Each joint needs power and feedback signals. A stiff cable will snap when the arm moves. This flexible VCTF cable moves with the robot. It handles the constant flexing (non-continuous movement) without breaking the copper strands inside.
Conveyor Systems and Packaging Machines
Conveyor belts have sensors at every stage. Photo eyes, limit switches, and motor starters all need wiring. Using a multi-core cable like this reduces clutter. You don’t need to tape 30 separate wires together. You just pull one cable and strip the ends.
Audio and Communication Racks (Specialized)
While not a dedicated audio cable, the high strand count and shielding (if grounded properly) make it useful for low-voltage signal transmission in noisy environments.
Why choose FUJI brand over generic imports?
You will see many “VCTF” cables on the market. Some are cheap imports from unknown factories. Here is why the Fuji Electric Wire Industries version is worth the investment:
- Consistent Quality: Fuji follows the Japanese Industrial Standard (JIS C3306). The copper purity is guaranteed. The insulation thickness is exact. You won’t get a batch that is 10% thinner than advertised.
- Color Coding: The core colors are standardized. You get White, Black, Red, Green, Yellow, Brown, Blue, and so on. For 30 cores, they use a numbering system on black wires. This makes troubleshooting easy. You don’t have to guess which wire is which.
- RoHS Compliant: This cable is safe for the environment and for export to Europe or the US. It does not contain lead, mercury, or cadmium.
- Oil and Abrasion Resistance: The PVC compound is formulated specifically for heavy use. In a test, this cable resists cracking when bent over a mandrel 4 times its diameter. Cheap cables crack at 6 times the diameter.
Installation Tips: Make it last longer
Even the best cable fails if installed wrong. Here are simple tips to get the most out of your 30-core flexible wire:
- Don’t pull by the wire: Always pull by the outer sheath or use a pulling sock. Pulling on one core can stretch the copper and break it inside the insulation.
- Respect the bend radius: Don’t kink the cable. Keep the bend wider than 4 inches (104mm). A sharp kink creates a weak spot that will snap later.
- Strain Relief: The description says it is for “free, non-continuous movement.” This means it is great for moving parts, but you should still use cable chains (drag chains) or clamps to stop the cable from whipping around violently.
- Termination: Use proper ferrules (crimping) on the ends of the 0.75mm wires. Do not just twist them. Ferrules keep the strands together and ensure a solid connection in terminal blocks.
Packaging and Shipping
We know logistics matter. This cable is sold in cuts (by the meter) or in full rolls.
- Cut lengths: We can cut it to 1 meter, 10 meters, or whatever you need for a prototype.
- Full Rolls: Standard rolls are 100 meters (328 feet). This is enough for a large machine or a maintenance stockpile.
- Packaging: Usually wrapped in plastic film or shrink-wrapped to keep moisture out during shipping.
Summary: The bottom line
If you need a 30-core 0.75mm flexible cable for your equipment, stop gambling with low-quality wire. The FUJI VCTF is the industry benchmark. It is pure copper. It is oil-resistant. It is flexible down to -15°C. It is rated for 300V.It solves the pain of frequent replacements. It solves the pain of installation headaches. It keeps your machines running safely.Ready to get a quote?We have stock of this VCTF 30-core cable ready to ship. Whether you need a 10-meter sample or a 100-meter roll, we can handle it. Send us your inquiry today with your required length and destination port. Let’s get your machines wired up with the best cable on the market.Click “Send Inquiry” now for a fast quotation!