Circular connector cable assembly

When jobs are tough, you need a certified circular connector cable assembly that is extra strong and easy to trust. Our cable assemblies are made to last a very long time and are trustworthy.

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Product Introduction

A circular connector cable assembly has a round connector already fixed on it. A common one is the M12. It has a strong shell outside, a block inside to hold pins, and pins that carry power or signals. The shell twists and locks onto another piece, and a rubber O-ring stops water from getting inside. In Figure 1, you see a female connector with many pins. The most used sizes are M5, M8, and M12. The M12 is the world standard used in machines and sensors. Each pin has a mark or color, so wiring is easy. Work is faster, safer, and cleaner when the connector already comes with a cable. You do not need to wire by hand. Our assemblies use molded ends, copper or silver pins, and tested parts. And we always use the tested and certified parts.

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Product Advantages

Heavy-Duty Circular Connector (HDC)

These connectors are built for high power and very rough use. They use thick wires and strong shells that lock tightly and do not come loose. These are especially made to carry more power than other cables. An HDC assembly offers the best and fast power and signals for the system. A circular connector cable assembly ensures the safety of the system and more accurate results. These are the exact tools for the spots that are tough. You will always have less errors when you use these cables.

Circular Multi-Pin Connector to IDC Ribbon Cable Assembly

This kind joins a round connector to a flat ribbon cable. It is best when you need many pins at one time, like in sensors, control boards, or test tools. The round side plugs into the device, and the ribbon plugs into the board. This makes wiring fast and neat. Each pin matches the right line, so there are no mix-ups. It also avoids loose wires that could cause shorts. These are used in labs, machines, and factory tools where space is small but many connections are needed.

M12 Circular Connector Cable Assembly (male to female)

These ready-to-use M12 units are standard in motors, sensors, and factory setups. They save time by having a plug and socket already joined with one cable. We offer sizes and pin counts, like 3, 4, 5, 8, and more. The ends are sealed to block dust and water. Each one follows world standards, fitting into many systems without trouble. As a M12 circular connector cable assembly supplier, we stock many sizes and counts. All are tested and certified, so they are safe to use immediately. We also make custom sizes and large bulk orders for large projects.

Material Recommendation

Conductor Material

The wires inside are copper, the best metal for carrying power. We use fine strands of copper so the circular connector cable assembly bends easily and lasts longer. The copper may be coated with tin or silver to stop rust. Oxygen-free copper gives the best flow. For bigger power, we use thick strands that carry heavy loads. Each wire has a colored cover, and all are wrapped inside a rugged jacket. We pick a wire size to match the job. For example, a 4-pin M12 cable may use 16 AWG copper for steady power. All wires follow world safety rules, so you can trust them for prolonged and safe use.

Insulation Material

There are covers for each wire so that they do not touch themselves and do not cause errors. It also keeps power and data moving in the right way. The most common insulation types are PE and PP, which are very strong and work well for wires that carry power. PVC and rubber are used for signal wires because they bend easily and are soft but safe. These wire covers stop power from leaking and keep the wires secure. For challenging and special jobs, some cables use Teflon, which can work in very hot and cold places, and with fast signals without breaking.

Sheath Material

The outside cover of a cable is like the skin of our body. It is the first wall that keeps all the parts inside safe from harm. This cover helps the cable stay strong and last for many years, even when used in tough places. The sheath protects the cable from cuts, bumps, hits, heat, cold, oil, water, and dirt. Some covers are made from PVC, which is soft, low-cost, and easy to use for simple jobs in safe places. Other covers, like PUR or TPU, are much stronger and can fight against oil, grease, dirt, and complex chemicals, so they are used in factories, machines, or outdoor work. TPE covers bend very well and are used repeatedly when the circular connector cable assembly moves and twists.

Circular Connector

Connector shells are made from strong metals for long-term use. Brass with nickel or stainless steel is a common choice. These do not rust, crack, or bend. Many shells also have coats for extra safety. There is a block inside it which is used for stopping the shocks and resisting the heat. And the rubber seal keeps the other items out. Top makers use these safe materials, and so do we.

Solution

We give you full service for all your circular connector cable assembly needs. We mix good design, strong parts, and clear testing for each cable. Every unit is built with care and checked many times. The result is a cable you can plug in and use right away. We make small orders and large bulk orders with the same care. Our team gives fast prices, simple plans, and on-time shipping.

Double Shielding Design

Our cables use two shields to block noise and keep the signal safe. First, a foil wrap covers the wires. Then, a braid of copper adds more cover. Both shields link to the shell, giving complete protection. This stops both low and high noise. It keeps data clean and power flow steady, even near motors, machines, or radio waves. This is very important for fast data or sensors. It lowers mistakes, keeps systems safe, and avoids problems that can cost money.

IP67 Sealing Design

Our IP67 waterproof circular connector cables have many seals and O-rings inside them. These seals block dust, dirt, and water from entering. The circular connector cable assembly and shell are molded tightly so there are no gaps. The IP67 rating means the cable is safe in dust and can even go underwater for a short time (1 meter for 30 minutes). We use two O-rings and soft boots for strain relief when we build them. This gives a joint that is leak-free, strong, and long-lasting. These cables are safe for outdoor use, farms, rain, and ships.

Product Support Customization

We make custom circular connector cable assembly to match your needs. You can choose cable length, shell type, or pin order. We also add marks, colors, and labels for simple sorting. We make bulk assemblies for large projects with the same high quality. You can order one cable or thousands. Our team checks your request and makes drawings and 3D models before making them. We share updates during the build so you always know the progress. We listen to your needs, adjust when needed, and deliver the circular connector cable assembly you want.

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Industries and Applications

Industrial Automation and Sensors

In factories, machines need strong cables to connect sensors, controllers, motors, and other tools. Our circular connector cable assembly for industrial sensors makes sure machines can share signals and talk with each other without breaks. These cables are built to work well even in places with oil, heat, dust, dirt, and lots of shaking. They keep the signals clean and steady so the machines can run safely all day and all night. With these cables, sensors send the correct data, controllers send clear orders, and the work continues. This helps the factory work faster and save time.

Robotics and Motion Control

Robots bend, move, twist, and turn their cables thousands of times daily. Our circular connector cable assembly for robotics can bend repeatedly without breaking. These cables also block outside noise and keep signals clean. They are used in robot arms, robot bases, and other moving machines where power and data must always stay safe. They help robots move smoothly, follow orders correctly, and work without sudden stops.

Heavy Machinery and Tool

The machines and tools that are used for difficult jobs need these cable assemblies. Our heavy-duty cables are made for these jobs. They can handle hard bumps, strong pulls, and long work hours without failing. They link controls, switches, valves, and sensors in machines. These cables keep work moving even in rough conditions in mines, steel plants, and building sites. They are made to last long and give steady service in all heavy jobs.

Transportation and Marine

Cars, trucks, trains, ships, and rigs in the sea all need cables to fight water, dust, mud, and bad weather. Our IP67 cables are made for this. They can handle rain, mud, dirt, and salty air. They keep lights, sensors, and controls safe at all times. In buses, trains, or ships, safe cables mean safe travel. These cables are built to take shocks, shakes, and wet air while still working right. This is why they are trusted for travel and marine use.

Food, Beverage, and Clean Processing

In food plants, cables must be cleaned many times with water, steam, and soap. Our cables are built to take all this cleaning and still keep working. They are safe to use in food, drink, and medicine rooms. IP67 sealing prevents water, soap, and dirt from getting inside. This means they can be washed many times without damage. They help food and drink lines stay clean, safe, and steady. They also help companies follow safety rules and health laws.

Essential Certificates

CE & RoHS Compliance

Our cables follow strict rules in Europe. We do not use harmful materials; we always use items that are best and certified. It ensures that the items we supply are friendly to the environment and the people. They meet green rules and are trusted worldwide.

UL / CSA Recognition

All parts of the cable are tested by UL and CSA. We can give papers to prove this. It means our cables are safe to use in the US and Canada. This makes them trusted by many users and companies.

IP67 Environmental Sealing

Our cables are tested under IP67 rules. This means no dust can enter, and they can go underwater for a short time without harm. We note everything during manufacturing and testing for your trust.

Quality Management (ISO 9001)

Our cables are tested under IP67 rules. This means no dust can enter, and they can go underwater for a short time without harm. We note everything during manufacturing and testing for your trust.

360° Shield Termination for Better EMC

Our cables use a 360-degree shield that wraps around the wires and the plug. A metal braid is tied tightly to the shell so there are no gaps. This stops outside noise from getting in and keeps inside signals from leaking. This design makes the circular connector cable assembly strong and safe even in noisy places like power plants or factories. It keeps data secure and clean so machines and computers can talk without errors.

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Double Shielding for Strong EMI & RFI Protection

The cable has two layers of shields to block noise. The first layer is a thin foil inside that blocks fast radio waves. The second layer is a strong copper braid outside that blocks low hums and buzz from motors or power lines. The braid is woven tightly to cover almost the whole wire, and a drain wire connects the shield to the plug shell. This design ensures that the signals stay clean even near machines or radios. This means no lost data, no broken signals, and smooth work all the time. The shields also help the circular connector cable assembly last longer by stopping stress from outside noise.

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Contact Types: Gold, Silver, and Tin

Gold-Plated Contacts

Gold keeps contacts clean and safe from rust. It is best for small signals and plugs joined and pulled many times. Gold costs more but lasts much longer and gives safe, clean work. It is often used in fine tools, sensors, and machines that require clear signals.

Silver-Plated Contacts

Silver is the best metal for carrying high power and fast signals. Even if the outside turns dark, the inside still works fine. Silver is used in heavy jobs like defense, power plants, and high-speed data systems.

Tin-Plated Contacts

Tin is low-cost, safe, and works for many jobs. It stops rust and works for both power and signals. It is common in sensors, power plugs, and many daily tools. A thick tin coat makes it last longer and stay safe. Tin is a good pick when strong work is needed at a fair price.

Careful Steps From Design to Delivery

1

Design Consultation

We always start by talking with you in simple and straightforward words. We take the details about your cable and the task you are going to use it for. We help you in each step from selecting the cable, design and connector etc. We carefully notice how much power and the number of pins in the connector it will be. We use. You get to see all of this and say yes before we move forward. This step is slow and careful, so every part of the cable is right for you.

2

Sample & Review

Before we make many cables, we first make a few test cables. You can put these test cables in your machine and use them. You see how they work in real life. Then you tell us what is good and what is not good. If you want changes, we can make changes and improve the design. We make sure the small parts are fixed and the cable works well. This step helps us see how the cable will work in your real job, not just in drawings. It saves time later and gives you a cable you can trust.

3

Controlled Manufacturing

In our factory, every step is done under strict rules. We follow ISO steps, which keep the work safe and clean. This also keeps the quality the same for every cable. From the jacket cut to the pin press, we check every part. This ensures the cables are strong, safe, and can last long, even in challenging workplaces.

4

Rigorous Testing

After we build the cables, we carefully test each one. We check that the power flows correctly in each wire. We check the cover so no power leaks out. We pull hard on the connectors to see if they are strong. We also do high-power tests to be sure the cable is safe. Sometimes we bend the cable often to see how long it lasts. Only the cables that pass all the tests go to you. This gives you complete trust that each cable is safe, strong, and ready to use.

5

Secure Packaging & Shipping

After the cables pass all tests, we pack them with extra care. We roll them neatly, tie them, and place them in bags or boxes. This keeps them safe from dust, dirt, and damage. We add labels that show the size, type, and test results. We use a 3D system to design your cable accurately can add extra parts like O-rings or small guide sheets if needed. Every box is tracked until it reaches you. This makes sure you get cables that are safe, clean, and ready to use right away with no extra work.

Select QL-Custom Technology Ltd.

QL-Custom Technology Ltd is not just a maker of cables. We are a full partner that stays with you from the first talk to the final delivery. We are experts in M12 circular connector cable assembly and have many years of practice and skill. Every job we do follows strong rules for quality and safety. You can buy circular connector cable assembly online from our simple store list or ask for a cable design made just for you. We have ready-made cables for quick orders and custom cables for special jobs. All cables are made in our ISO factory with care and checks at every step. With us, you get quick help, fair cost, and full support from start to finish.

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Customer Reviews

This cable feels safe. It locks well and does not slip when I pull. The build is neat, and the hold is firm. It makes me calm at work. It is easy to use and always works. That is why I like it.

Emily Davis

I use this cable for my machines each day. It holds tight, does not shake loose, and feels tough. No breaks or problems. It works right away. I like how it keeps work safe.

Michael Brown

I trust this cable for my job. It snaps fast, locks tight, and stays safe. It never lets me down. It makes me calm so I can focus. It feels solid and secure. I use it with trust.

Daniel Evans

It stays firm even when I use it for a long time. I like the safe feeling and strong hold. It makes me sure my work won’t stop. The lock feels tight, the grip feels strong. It keeps me calm. I use it many times with no worries.

Mark Lewis

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