Cable Glands

Cable glands allow cables to be inserted into a housing, securely seal both the cable and the housing and achieve strain relief for the cable. They protect the housing interior from harmful environmental influences such as dust and moisture. In our product range you will find single-cable entry systems for individual cables, multi-cable entry systems for multiple cables, as well as accessories and tools for assembling the glands.

What is a Cable Gland ?

A cable gland is a device for inserting one or more cables or wires into the housing of a machine or control cabinet. Our LAPP cable glands fulfil several related functions at the same time: they act as strain relief for the cables, seal the bushing with various materials such as fluorinated rubber, nitride rubber, silicone or money seals, thus protecting against dust and water. DIN EN 62444 forms the normative basis for the design, execution and testing of our cable glands.

Which cable glands are included in the LAPP product portfolio?

At LAPP, we split the cable glands product range into single-cable entry systems and multi-cable entry system

 

Single-cable entry systems

The LAPP product portfolio for single-cable entry systems and their potential uses are almost countless. As a result, the (normative) requirements associated with each purpose of use must be explored in an application-specific and individual manner.

 

Plastic, brass or stainless steel what can it be?

Cable glands for single-cable entry systems are made of plastic, brass or stainless steel. Choose exactly the quality that a LAPP cable gland needs to have for your application. Whether for round or flat cables, for straight or angled bushings, for unassembled cables or cables with connectors, you are guaranteed to be found.

 

Multi-cable entry systems

Multi-cable entry systems from LAPP are available in two fundamentally different designs.

What to do if the plug is already ready?

SKINTOP_52220000_Product_4SKINTOP_52220000_Product_4
  • The frame of these modular multi-cable glands is screwed to the unit or machine housing.
  • The modules that clamp individual cables can be exchanged individually.
  • In service cases, the working time is significantly reduced compared to a conventional multi-cable entry system, which needs to be dismantled as a whole.

What to insert when the cable end is still open?

Select multi-cable entry systems for assembled cables.

SKINTOP_MULTI_52220104_PRODUCT_1SKINTOP_MULTI_52220104_PRODUCT_1
  • Tightening in or screwing in? As you want. The multi-cable entry systems are available in round and rectangular design.
  • The unique gel seal with special membrane technology means that no pre-piercing of the bushings is necessary.
  • Large clamping ranges allow different cable diameters to be used.
  • Unoccupied glands remain securely closed and sealed.

→Select multi-cable entry systems for non-assembled cables.


Tools and accessories

The range of cable gland accessories at LAPP is enormous. With counter nuts, blanking plugs, seals, dust protection elements and much more, a cable gland can be easily customised and quickly become the perfect guide for you and your applications.

Cable glands do not require a lot of tools. But as the saying goes:"Good tool, good work". If you too want to work less hard, combine work steps and discover smart solutions for your day-to-day work, don't hesitate to browse through the tools and accessories for cable glands.

 

Which essential requirements must a cable gland meet?

General:

Sealing according to IP protection classes

Cable glands protect the housing against external influences. Soiling such as dust or moisture or even water must not penetrate through the hole in the housing. The degree to which protection is guaranteed depends on the specified IP protection class ("Ingress Protection"). In accordance with DIN EN 60529; VDE 0470-1:2014-09, the protection class is made up of the first and second code numbers in the tables below:

IP-Protection-Types-1-DigitIP-Protection-Types-1-Digit
IP-Protection-Types-2-DigitIP-Protection-Types-2-Digit

For example, a cable gland is tested for protection class IP 68:

  • The cable gland is mounted on a test plate with the corresponding tightening torque from the operating instructions.
  • A test mandrel is used instead of the cable.
  • The structure is placed in a pressure chamber filled with water and exposed to a pressure of, for example, 5 bar for a period of 30 minutes.

→ The cable gland must not leak during this time.

The American equivalent to DIN EN 60529, i.e. the standard for IP protection classes, is the UL50E together with NEMA 250. The European and American standards do not match exactly, but are perfectly comparable. The UL50E specifies requirements for the housings of electrical devices, while the NEMA 250 specifies the type classes. It divides the use of the housing into outdoor (type 3, 3R, 3S, 4, 4X, 6 and 6P) and indoor applications (type 1, 2, 5, 12K and 13).

Strain Relief

Cable glands protect the cable by providing optimum strain relief. Strain relief of a cable gland is a property that prevents the cable from being pulled out. The cable is centred and fastened, or almost clamped without damaging the cable. This protection is essential for moving applications. In Europe, the strain relief requirements are described in DIN EN 62444, while in the USA, the requirements are defined in UL514 B.

 


Depending on the selected insert:

Temperature resistance

The temperature essentially determines the current properties of a material. Make sure that the specified temperature ranges are adhered to when using our products. Don't get caught off guard!

For extreme sub-zero temperatures of up to -70°C, you can rely on cold-resistant LAPP cable glands such as the SKINTOP® COLD.

For extreme plus temperatures of up to +200°C, we recommend the SKINDICHT® SHV-M FKM.

Bending protection

If a cable or wire is used in moving machine parts, the minimum bending radius of the product must be observed. The SKINTOP® BS-M helps, for example, with its shape preventing the cable or wire from kinking on the cable gland.

Chemical resistance

Depending on the application area, a cable gland comes into contact with substances that can attack the gland material.

What resistance do you think about?

  1. Salt:
  • The salt spray test according to DIN EN ISO 9227 tests the corrosion behaviour of a product. After a defined period, the material is checked and evaluated. Nickel-plated brass cable glands that have passed the salt spray test are resistant to sea water. Cable glands made of V4A stainless steel are also seawater resistant and do not corrode.
  1. Oil
  • The European standards DIN EN 50363-4-1 VDE 0207-363-4-1 stipulate oil resistance tests.
  • CR-NBR seals installed in our top sellers SKINTOP® ST-M and SKINTOP® MS-M, for example, are not only very good UV and ozone resistance, but also increased oil resistance.
  1. Acids and alkaline solutions

LAPP also offers suitable cable glands for contact with acids and alkalis. Often, stainless steel variants with FKM seals are the ideal solution here.

 

Flame retardance

Cable glands with flame-retardant properties are absolutely relevant to safety in areas with high potential hazard in the event of a fire. Cable glands with halogen-free and highly flame-retardant components are therefore suitable for areas at risk of fire. They reduce the risk of flame propagation, high smoke density and toxic flue gases in the event of a fire.

Now display SKINTOP® ST-HF-M and SKINTOP® MS-HF-M in the online shop.

  • In rail vehicles in particular, the fire behaviour of all installed components is strictly tested. EN 45545-2 contains the technical requirements for these components.
  • The UL 94, a testing method for the flammability of plastics, divides the plastics into flammability classes and is often requested when plastic cable glands are used.

Suitable for the food sector

Smooth surfaces and contours without corners or edges prevent residues such as liquids and micro-organisms from accumulating on a cable gland and there is a risk of contamination for food in the processing facility. As all food processing plants are regularly cleaned with hot water or water steam or by foaming and aggressive disinfectants are used, standard suitability for the food industry is only achieved using stainless steel cable glands.

  • Please ensure certification in accordance with the EHEDG (European Hygienic Engineering and Design Group) standard if the cable gland is to be used in hygiene-critical areas.
  • The National Sanitation Foundation (NSF) specifies the NSF/ANSI 169 - 2016 standard for materials intended for use in the food industry in the USA.
  • ECOLAB Inc. is a manufacturer of cleaning agents and disinfectants for the gastronomy, food industry and agriculture. The ECOLAB® certification is recognised worldwide. ECOLAB® certified cable glands are resistant to ECOLAB® disinfectant and cleaning agents.

Suitable for ATEX applications

In chemical factories or filling stations, explosive gases can form, for example during the generation and filling of fuels. However, precautions must also be taken in the production of sugar and flour to prevent dust explosions. In order to be able to rule out any ignition source, all construction materials used there must have their properties comply with the standards that have been set up to prevent accidents.

ATEX stands for “ATmosphères Explosibles”. The LAPP cable entry systems with the addition "ATEX" meet the explosion protection requirements in accordance with DIN EN IEC 60079-0 and DIN EN IEC 60079-7 and are therefore suitable for use in explosive atmospheres (ignition protection type "Enhanced safety" ("e")).

Find out more about our ATEX approved product families in plastic or brass versions

 

 

Find out more about our SKINTOP® HYGIENIC and SKINTOP® INOX product families for use in the product zone or spray zone.


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