Why Rayphen EMC Cable Gland

Rayphen EMC Cable Gland

In addition to this, Rayphen EMC cable gland has the biggest role in many industries like industrial engineering and industrial machinery. You can find from Rayphen the different thread types, clamping ranges, thread lengths, temperature ranges, and a variety of sealing compounds of EMC cable glands.

There are two different EMC protection systems in Rayphen EMC cable glands. These EMC protections ensure easy-to-assemble and long contact life to your applications. You can use the EMC cable gland to secure and terminate cables in environments that require EMC earthing.

For excellent environmental protection, Rayphen EMC cable gland features O-ring and nitrile rubber sealing. In line with the features, here’s some feature of Rayphen EMC cable gland:

• Robust construction
• IP68 protection
• EMC protection
• Operating temperature -40°C to +100°C
• Wide clamping range

Our EMC cable gland is sealed to IP68. Meaning, they are excellent resistant to particle ingress and dust. Rayphen EMC cable gland can be waterproof up to shallow submersion. In that factor, you may use Rayphen EMC cable gland in certain outdoor applications and harsh industrial environments.

There are various sizes of Rayphen EMC cable glands. You can find all sizes of EMC cable glands in Rayphen. According to the cables, there are PG thread EMC cable gland, Metric thread type EMC cable gland, NPT thread EMC cable gland, G thread EMC cable gland, etc.

Rayphen is the world’s leading supplier of cable and connection solutions. We are one of the biggest EMC cable gland manufacturer and supplier in China with more than 7 years of experience.

We are equipped with professional and expert technical engineers to work with you from your design to final production. Rayphen utilizes daily shipping services throughout the world within 24 hours.

Contact us now!

EMC Cable Gland – The Complete FAQs Guide

There is always a dark force of evil that follows electronics – electromagnetic interference.

Here’s why:

Have you ever heard that nagging noise over the radio when your phone rings near it? Sadly, all electronic devices get electromagnetic interference, which is undoubtedly a sad situation.

However, there is a real solution to that problem – EMC cable glands, which this guide is all about. You’re going to learn:

• What EMC cable glands are
• How they work
• The benefits of using EMC cable glands

Keep reading this guide to find out more.

Q1. What Is An EMC Cable Gland?

Figure 1: EMC Cable Gland

Electromagnetic Compatibility (EMC) cable glands function just like typical cable glands, only that they protect your equipment from electromagnetic interference. They do so by passing critical points of a cable through enclosures that cannot be affected by electromagnetic interference.

Why are EMC cable glands so important?

Today, every piece of electronic equipment generates some electromagnetic waves around itself. These waves can cause inefficient functionality and, in worse cases, complete failure of electronic equipment.

Bottom line:

All electrical and electronic equipment generate some signals around them that affect other electronic or electrical equipment.

Here’s the deal:

The primary purpose of using EMC cable glands is to enhance electronic equipment performance by doing away with electromagnetic interferences.

Q2. What Internal Elements Does An EMC Cable Gland Have?

Your EMC cable gland has superior internal components that cannot allow electromagnetic interference. Check it out:

Figure 2: EMC Cable Gland Internal Components

These internal components each have specific tasks that they perform, as you will find later in this guide. You’ll get a better understanding of how these cable glands can suppress electromagnetic interference.

Q3. How Does An EMC Cable Gland Work?

The first thing that you have to know is that EMC cable glands are made of different materials. Some common ones are stainless steel, nylon, and nickel-plated brass.

Different materials used to make EMC cable glands each have their benefits, as you will read later on in this guide.

Now, EMC cable glands work by first preventing contaminants like water, moisture, dust, and particles like sand, etc. You’ll frequently find typical cable glands with a rating of IP68. This IP rating means that it is contaminant-proof.

EMC cable glands secondly work by suppressing electromagnetic interference on your cables. They do so by contacting your cable’s shield and then suppressing the electromagnetic interference waves. Once you tighten the cable gland’s contact ring, it secures the whole cable.

Q4. What Are The Different Types of EMC Cable Glands?

For EMC cable glands, There are different types for your choice. When ordering your EMC cable glands, you’ll need to specify the type of material you want for your EMC cable glands. Some common materials used to make them are:

• Stainless steel
• Nickel-plated Brass
• Nylon

The second thing you’ll need to specify is the type of thread you’ll deem fit. There are three types of EMC threads:

• Metric thread
• NPT thread
• Panzer-Gewinde (PG) thread

Depending on the thread type you’ll want, you’ll then choose whether it should be a long thread or a short thread. Long thread cable glands are ideal because of the enclosure’s wall thickness or simply because of accessories’ build-up.

Here’s the deal:

Selecting the ideal EMC cable gland can be intimidating, especially if you are not entirely technical. You can consider contacting a professional for help.

Q5. How Are EMC Cable Glands Manufactured?

The manufacturing process of EMC cable glands relies primarily on the manufacturers of the raw materials. Now, there are different types of EMC cable glands, as stated earlier in this guide.

Check this out:

EMC cable gland manufacturers need to select the best raw materials. When the manufacturing process is complete, these EMC cable glands should withstand harsh environmental conditions.

You can subject your EMC cable gland to some harsh conditions, for example, underwater, under high temperature, or on vibrating surfaces. EMC cable glands are expected to work efficiently, and they should prevent the intrusion of contaminants.

You’ll also find that EMC cable gland seals are made from synthetic polymers. These seals prevent the intrusion of contaminants and enhance the performance of the EMC cable gland. It is temperature resistant and has excellent compression properties.

The feature that makes EMC cable glands special is the fact that they prevent electromagnetic interference. EMC cable glands can achieve a free-electromagnetic interference environment through a special cable gland component called a contact ring.

This special spring gets in better contact with the cable’s outer sheath by tightening it. Proper tightening enables proper shielding from electromagnetic interference.

Q6. What Is The Process Of Installing EMC Cable Glands?

Installing an EMC cable gland on your cable is not an entirely difficult process. You only need to understand the basics of cable glands and cables in general.

Check this out:

A standard EMC cable gland installation requires you to start by first stripping your cable’s outer sheath and shield.

Then, you can cut about 15mm outside the circle along the retained layer’s direction as the second step.

The final step in the installation process is to insert your cable gland to shield it from contaminants. You can then get rid of the outer sheath and then pull your cable. The cable should be in direct contact with the cable gland’s contact ring.

Q7. Are EMC Cable Glands Waterproof?

Here’s the deal:

Yes. EMC cable glands are waterproof. The degree of waterproofing of all cable glands is measured using IP ratings.

You’ll find that different EMC cable glands from different companies have different IP ratings. They’ll range from IP65 to IP69K.

Now, here’s the logic:

The higher the IP rating, the better the degree of resistance against contaminants.

Q8. How Can I Calculate The Size Of My Metric EMC Cable Gland?

Calculating the size of your metric EMC cable gland is imperative. It aids you in making a better decision on which EMC cable gland is ideal for your cable.

Consider the following EMC metric cable gland table:

Figure 3: Metric EMC Cable Gland Table

Q9. What Are The Benefits Of Using An EMC Cable Gland?

There are numerous benefits associated with using EMC cable glands. You’ll find them incredibly helpful, especially when it comes to the safe termination of cable ends. Check them out:

The first benefit you get is that your EMC cable glands protect the whole cable from electromagnetic interference. Since electric and electronic equipment naturally generates electromagnetic waves around them, you’ll find these EMC cable glands important.

The second advantage of using these EMC cable glands is that they safely terminate the ends of your cables. They prevent the entry of contaminants like water, dust, sand, etc. Now, you need to understand that different EMC cable glands have different IP ratings.

It’s therefore imperative for you to know the environment your cable glands will be working from so that you can understand which EMC cable gland to acquire.

The third advantage is that it is easy to install the EMC cable gland at the end of the cable. Once you know how to install it, you only need to tighten the dome nut for perfect shielding.

You don’t have to remove the EMC cable gland to get relatively low electrical. The impedance between your cable braid and the cable gland.

The fourth benefit is that EMC cable glands also provide your cables with stress relief – they protect your cables against twisting. This protection thus increases the lifespan of your cable glands.

Bottom line:

There are many benefits of using EMC cable glands. You cannot afford to ignore them, especially if you have trouble suppressing electromagnetic interference from other devices.

Q10. Where Are EMC Cable Glands Used?

EMC cable glands, as you’ve read earlier, have great benefits. These benefits, therefore, mean that EMC cable glands have to be put to use in key areas.

Check this out:

EMC cable glands are widely used in telecommunications. They prevent the inefficiency of devices during communication, which is brought by the generation of electromagnetic interference.

EMC cable glands are also used in wireless networking, lighting displays in devices, electronic technologies, and surveillance cameras, and like devices.

Figure 4: EMC Cable Gland Installed on CCTV Camera

Q11. How Can I Calculate The Size Of My PG EMC Cable Gland?

Calculating the size of your PG EMC cable gland is vital for the acquisition of the correct EMC cable gland. Now, you can calculate the size of your PG EMC cable gland by using the following table:

 Figure 5: PG EMC Cable Gland Calculation Table

In the table above, all measurements are given in millimeters (mm).

It’s true that:

Selecting the right cable gland can be an intimidating process. What’s even worse is finding out that you acquired a whole shipment full of the wrong cable glands for your project.

Q12. Which EMC Cable Gland Should I Use For Armored Cables?

Armored cables are ideally made up of thick steel wires meshed underneath the outer PVC layer. These cables are designed to work in the most stressful and harsh environments. Some manufacturers opt to use aluminum meshing as opposed to using steel meshing.

Here’s the deal:

The ideal EMC cable gland to use for your armored cable is the nickel-plated brass EMC cable glands. You can order these cable glands in either metric, NPT, or PG threads.

The primary benefit of using nickel-plated brass EMC cable glands is that they are easy to install. This means that tightening their contact ring of your EMC cable gland can be done quickly and easily. Remember, the contact ring is what helps your EMC cable glands work effectively.

Another benefit of using nickel-plated EMC cable glands is that they prevent contaminants like water and dust. It can prevent that intrusion because of its high-quality seal, made out of chloroprene rubber.

Nickel-plated brass EMC cable glands have an IP rating of IP68. It also operates best within -40°C and slightly above 100°C.

Bottom line:

Nickel-plated brass EMC cable glands are ideal for glanding armored cables. Its features are what make it a suitable candidate for the termination of armored cables.

Q13. Which EMC Cable Gland Should I Use For Unarmored Cables?

When glanding unarmored cables, you are not limited to any particular EMC cable gland for your cable. You can choose to use either nickel-plated brass, stainless steel, or nylon EMC cable glands.

Here’s the deal:

The choice of EMC cable glands depends on your requirements. It depends on how you want to use your cables. Remember, you can opt to use either the metric, NPT, G, or PG thread types. It also depends on whether your cable connection will be direct or it will have to pass through a closure.

If it is a direct connection, you can use a short thread length. However, if your connection has to pass through a closure such as a thick wall, then you can use a long thread length.

Check out how you can measure unarmored cable gland threads for your unarmored cables.

Q14. How Can I Know The Best EMC Cable Gland For My Cable?

You’ll need to consider some criteria first to know the best EMC cable gland for your cable. First you’ll need to know the environment in which your cable will be installed. You may intend to pass your cable underwater, or through walls, or even into the ground.

This criterion will help you understand the level of protection your cable will require. It’s only logical to state that cables that pass underwater will need more protection than cables passing through walls.

This protection also forces you to consider the degree of IP rating that your cable will require.

Then, the second criterion to put into consideration is your cable’s dimensions. These dimensions undoubtedly affect the selection of your EMC cable glands. When considering the dimensions, also remember to check its structure.

Is your cable armored or unarmored? This question will yet again help you make an informed decision on the selection of your ideal EMC cable gland.

Then, you need to check the type of material you want for your EMC cable. You can easily find EMC cable glands made from stainless steel, nickel-plated brass, or even aluminum. You’ll then need to consider your EMC cable gland’s threads.

Threads are important because they are determined by the type of entry your cable uses.

You can also opt to use plastic screw connections to relieve your cable from pressure when it bends. These plastic screw connections prevent your cable from overbending and then cutting the external PVC layer and expose the internal components.

These screw connections are ideal for cables that are to be permanently installed.

Here’s why you need to follow this process during EMC cable gland selection:

It provides you with all the details you need to select the best EMC cable gland for your cables, regardless of whether they are armored or unarmored. Now, Rayphen understands that all these details may overwhelm you, especially if you are not entirely technical.

Q15. What Are The Benefits Of Using Nickel-Plated Brass EMC Cable Glands?

The type of EMC cable gland you want to use is an important factor to consider. What you need to understand is that the EMC cable glands material you choose to use significantly affects the performance of your cables.

Check this out:

Nickel-plated brass EMC cable glands are widely used today. People prefer them because they have the following benefits:

Firstly, the primary purpose of using any EMC cable gland is to protect your cables from electromagnetic interference. Nickel-plated brass cable glands perform an excellent job at that. They ensure that your entire cable cannot be affected by interference.

The second benefit of using nickel-plated brass EMC cable glands is that they protect your cable ends. They prevent the intrusion of contaminants which will undoubtedly alter the performance and the lifespan of your cables.

A nickel-plated brass EMC cable gland with an IP rating of IP68 will do the job perfectly.

You can also consider using nickel-plated brass EMC cable glands because they are good conductors of heat. They are also explosion-proof whenever the heat gets too high. This type of EMC cable gland is particularly good in telecommunications.

The third benefit of using nickel-plated EMC cable glands is that their surfaces have anti-corrosive properties. They’ll last longer even when exposed to harsh external conditions. They are thus durable.

Bottom line:

Your nickel-plated EMC cable glands are highly reliable, and they will offer you a longer service life. They’ll work exceptionally well in the harshest of conditions without cracking or even corroding quickly.

Q16. What Are The Benefits Of Using Stainless Steel EMC Cable Glands?

Stainless steel EMC cable glands are a wonderful choice of cable glands that you can choose to use. They terminate your cable ends incredibly.

Here’s why you should consider using stainless steel EMC cable glands:

The first reason is that stainless steel is hardy. It can survive the harshest environmental hardships, meaning that it can be used anywhere. It is highly stable and durable because of its anti-corrosive surface.

The second benefit is that they provide excellent performance when it comes to protecting your entire cable from electromagnetic interference. It is also able to manage heat incredibly well. They can work in temperatures as low as -40°C to temperatures slightly above 100°C.

The third benefit of using stainless steel EMC cable glands is that they offer your cables strain relief. Strain relief is particularly important when your cables bend or when they are tightly held. It’ll also help you when your cables keep on frequently moving, e.g., on a vibratory surface.

The fourth benefit of this cable gland is that it is cost-efficient compared to nickel-plated brass EMC cable glands. They are cheaper.

Here’s the deal:

Stainless steel EMC cable glands are an excellent choice for protecting your cables from electromagnetic interference. They are also ideal for lengthening the service life of your cables.

Q17. What Type Of Seals Do EMC Cable Glands Use?

EMC cable glands primarily use synthetic polymer seals to prevent the intrusion of contaminants. These seals prove to be effective, efficient, and long-lasting when it comes to protecting your cables’ ends.

They are cost-efficient when it comes to manufacturing them. They are also hardy when it comes to handling corrosive elements such as acids.

Q18. What Is The Ideal Working Temperature For EMC Cable Glands?

Now, here’s the truth:

All EMC cable glands have an optimum working temperature. Most of them have a minimum working temperature of about -40°C. This minimum working temperature means that your cable gland is still effective and efficient.

Similarly, they have a maximum working temperature of slightly above 100°C. Even at its hottest point, your EMC cable gland is still effective and efficient.

Q19. What Type Of Threads Can I Use With EMC Cable Glands?

There are different types of threads that you can use with your EMC cable glands. There are three primary types:

• Metric threads – has straight threads.
• PG (Panzer Gewinde) threads – smaller threads than both metric and NPT threads. It, however, has a wider pitch because of its large flank angle.
• NPT threads – ideal for sealing with a lot of rigidity and pressure. They are widely used.

Check this out:

Apart from the three different types of EMC cable gland threads, you can opt to use either short or long threads as your thread length.

Q20. What Is The Ideal Thread Length For EMC Cable Glands?

All EMC cable glands have two types of thread lengths:

• Short thread
• Long thread

Figure 6: Thread Length

Both the short and long threads are ideal for your EMC cable gland usage. It all depends

on what you want to do with the cable glands.

As for cables that have to pass through enclosures, such as walls, a longer thread is ideal.

Q21. What Is The IP Rating Of An EMC Cable Gland?

IP means Ingress Protection. It is measured as a rate.

Now, EMC cable glands generally have different IP ratings. They range from IP65 to IP69K. The higher the IP rating, the better the protection of your cable ends from external contaminants.

Most EMC cable glands have an IP rating of IP68. It offers impeccable services and also lengthens your cable’s service life.

Here’s the deal:

The primary purpose of IP ratings is to prevent the intrusion of contaminants into your cable ends.