The Cembre 3005974 (manufacturer reference 1053M40N) is a high-quality M40 metric nylon entry plug designed to securely seal unused threaded cable entry holes in electrical enclosures, junction boxes and industrial control panels. Manufactured by Cembre, this robust blanking plug helps maintain enclosure integrity while providing a neat, professional finish.
Constructed from durable engineering-grade polyamide (PA6), the plug offers excellent resistance to impact, corrosion and common industrial environments. It is ideal for OEM machine builders, panel manufacturers and maintenance engineers who require reliable sealing of spare cable gland entries during installation or future expansion.
Designed for M40 x 1.5 metric threaded openings, the Cembre 3005974 provides quick installation without specialist tools while helping preserve enclosure protection against dust and moisture when correctly installed.
Key Advantages
High-quality M40 metric nylon entry plug.
Designed to blank unused cable gland entry holes.
Manufactured from durable PA6 polyamide.
Helps maintain enclosure protection and appearance.
Fast installation into standard M40 x 1.5 threaded entries.
Suitable for industrial control panels, enclosures and electrical equipment.
Key Features
Manufacturer: Cembre.
Manufacturer reference: 1053M40N.
Cembre part number: 3005974.
Metric thread size: M40 x 1.5.
Black polyamide (PA6) construction.
Lightweight, corrosion-resistant design.
Suitable for indoor and industrial electrical installations.
Provides a clean, secure seal for unused cable entries.
Reliable Protection for Electrical Enclosures
Metric entry plugs are an essential accessory for electrical panels and industrial enclosures, preventing dust, moisture and contaminants from entering unused threaded cable entry points. They also improve safety and provide a professional appearance for finished installations.
Cembre cable management accessories are widely specified by panel builders, electrical contractors and OEM manufacturers because of their quality manufacturing, dependable performance and compatibility with international industrial standards.
Typical Applications
Electrical control panels.
Industrial automation cabinets.
Machine building.
Distribution boards.
Junction boxes.
OEM electrical equipment.
Technical Specifications
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IP Rating
IP54
Material
Nylon (PA 6.6)
Thread Size
M40
Colour
Black
Device Type
Blanking / entry plug
Part number
3005974
Manufacturer reference
1053M40N
Product type
Metric entry plug / blanking plug
Thread size
M40 x 1.5
Material
Polyamide (PA6)
Colour
Black
Thread standard
Metric
Installation
Threaded mounting
Application
Sealing unused cable gland entries
HS Code
39269097
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 3005974 used for?
It is used to blank and seal unused M40 threaded cable entry holes in electrical enclosures and control panels.
What thread size does it fit?
The plug is designed for standard M40 x 1.5 metric threaded entries.
What material is it manufactured from?
The entry plug is manufactured from durable black polyamide (PA6).
Where is this product typically installed?
It is commonly installed in industrial control panels, junction boxes, electrical enclosures and OEM machinery.
Why should unused cable entries be sealed?
Sealing unused entries helps maintain enclosure protection, prevents contamination and provides a neat professional installation.
Trusted by Electrical Professionals Worldwide
Cembre cable management products are trusted by electrical contractors, panel builders and OEM manufacturers for delivering reliable installation accessories that meet the demands of modern industrial applications.
IP Rating
IP54
Material
Nylon (PA 6.6)
Thread Size
M40
Colour
Black
Device Type
Blanking / entry plug
Part number
3005974
Manufacturer reference
1053M40N
Product type
Metric entry plug / blanking plug
Thread size
M40 x 1.5
Material
Polyamide (PA6)
Colour
Black
Thread standard
Metric
Installation
Threaded mounting
Application
Sealing unused cable gland entries
HS Code
39269097
Country of Manufacture
Italy
No documents available for this product.
UK delivery
Delivery options
Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.
This productLead time on request
Please contact us for a delivery time before you order
Standard delivery
£8 ex VAT · free over £200
UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Collect from our showroom
Mon–Fri, 8am–5pm
Order and pay online, then collect from our showroom.
Please allow 15–30 minutes after ordering for us to prepare your order.
Northern Ireland, ROI & export
Priced at checkout
We deliver to Northern Ireland, the Republic of Ireland and overseas.
Delivery is calculated at checkout based on your destination.
Orders with mixed availability
Shipped complete
If part of your order is on a lead time, we hold it and send everything together.
Need the in-stock items sooner? Ask us and we can split the delivery.
Business customer returns
Returns & order support
Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.
Stocked items
Request within 30 days
Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.
Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.
Faulty or damaged items
Tell us as soon as possible
Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.
We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.
Made-to-order items
Manufacturer approval needed
Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.
This does not affect claims for faulty goods or items that do not meet the agreed specification.
Let’s get your return sorted.
Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.
The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.
● 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.
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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.
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