Call Us Today 01706 242050
3006775 Cembre 1253M40 METRIC POLYSTYRENE ENTRY PLUG

3006775 Cembre 1253M40 METRIC POLYSTYRENE ENTRY PLUG

Cembre 3006775 (1253M40) metric polystyrene entry plug for sealing unused M40 x 1.5 threaded cable entry holes in electrical enclosures and control panels.

SKU: 3006775Alt SKU: 1253M40MPN: 3006775
Price
List Price £1.35 ex VAT
Your Price (ex VAT)
£1.35
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £1.35
Trade pricing is personalised to your account

Manufacturer Lead Time

£1.35

Why Choose the Cembre 3006775 Metric Polystyrene Entry Plug?

The Cembre 3006775 is a premium metric polystyrene entry plug designed to blank and seal unused M40 × 1.5 threaded cable entry holes in electrical enclosures, control panels and junction boxes. Manufactured by Cembre, this high-quality enclosure accessory helps maintain a professional finish while protecting unused cable entry points from dust and contamination.

Manufactured from durable polystyrene and finished in light grey (RAL 7035), the 3006775 entry plug is quick to install into compatible metric threaded openings without requiring specialist tools. It is ideal for panel builders, switchgear manufacturers and electrical contractors seeking reliable enclosure finishing components.

Supplied as the Cembre 1253M40 entry plug, this accessory is suitable for industrial automation, OEM machinery, power distribution equipment and commercial electrical installations where unused M40 cable gland entries require secure blanking.

Key Advantages

  • Professional M40 × 1.5 metric entry plug.
  • Seals unused threaded cable entry holes.
  • Light grey RAL 7035 finish complements electrical enclosures.
  • Durable polystyrene construction.
  • Simple threaded installation.
  • Suitable for industrial control panels and switchgear.

Key Features

  • Manufacturer: Cembre.
  • Product code: 3006775.
  • Manufacturer reference: 1253M40.
  • Metric threaded entry plug.
  • M40 × 1.5 thread.
  • Manufactured from polystyrene (PS).
  • Light grey (RAL 7035).
  • Designed for unused cable gland entries.

Reliable Enclosure Protection

Entry plugs provide a simple and effective method of sealing unused threaded cable entry points, helping improve enclosure appearance while reducing the ingress of dust and contaminants. Their lightweight construction and threaded design allow quick installation during panel assembly or maintenance.

Cembre enclosure accessories are trusted by panel builders, automation engineers and electrical installers for dependable performance across industrial control systems, switchgear assemblies and OEM machinery.

Typical Applications

  • Industrial control panels.
  • Electrical switchboards.
  • Machine control cabinets.
  • Junction boxes.
  • OEM electrical equipment.
  • Industrial automation systems.

Technical Specifications

Tick the specs you need, then view products that match.

Colour Light Grey
Material Polystyrene
Thread Size M40
Device Type Blanking / entry plug
IP Rating IP54
Manufacturer part 1253M40
Product type Metric entry plug
Thread size M40 × 1.5
Material Polystyrene (PS)
Colour Light Grey (RAL 7035)
Ingress protection IP54
Operating temperature -20 °C to +60 °C
Application Sealing unused threaded cable entries
Installation Threaded fitting
HS Code 39269097
Country of Manufacture Italy
IP Rating IP54

Frequently Asked Questions

What is the Cembre 3006775 used for?

It is used to blank and seal unused M40 × 1.5 threaded cable entry holes in electrical enclosures and control panels.

What thread size does this entry plug fit?

The Cembre 3006775 is designed for M40 × 1.5 metric threaded openings.

What material is it manufactured from?

It is manufactured from durable polystyrene (PS) for long service life in industrial electrical installations.

What protection rating does it provide?

The entry plug is designed to provide an IP54 level of protection when correctly installed in a compatible enclosure.

Where is this product typically installed?

It is commonly installed in electrical cabinets, switchboards, junction boxes and industrial automation equipment.

Trusted by Electrical Professionals Worldwide

Cembre enclosure accessories are trusted by panel builders, OEM manufacturers and electrical contractors for delivering reliable cable entry management and professional enclosure finishing solutions.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by | Aug 11, 2026 |

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

by | Jan 17, 2026 |

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

by | Jan 17, 2026 |

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...