Why Choose the Cembre 3017971 Metric Entry Thread Reducer?
The Cembre 3017971 is a high-quality metric entry thread reducer designed to provide a secure and reliable transition between different metric threaded cable entry sizes. Manufactured by Cembre, this precision-engineered reducer helps installers adapt cable glands and threaded enclosures while maintaining a professional, compliant installation.
Ideal for electrical control panels, junction boxes, switchgear and industrial enclosures, the 3017971 reducer offers excellent mechanical strength and corrosion resistance. It enables the installation of smaller threaded cable glands into larger threaded openings, simplifying panel modifications and reducing the need for replacement enclosures.
Supplied in bags of 25 pieces, the Cembre 3017971 is suitable for panel builders, OEMs, electrical contractors and maintenance engineers who require dependable threaded cable entry accessories for industrial applications.
Key Advantages
Precision metric thread reducer for cable gland installations.
Allows adaptation between different metric threaded entry sizes.
Strong metallic construction for long service life.
Helps maintain neat, professional enclosure installations.
Suitable for industrial electrical panels and equipment.
Supplied in convenient packs of 25.
Key Features
Manufacturer: Cembre.
Model: 3017971.
Metric threaded entry reducer.
Designed for cable gland adaptation.
Suitable for electrical enclosures and control panels.
Corrosion-resistant metallic construction.
Easy installation using standard threaded cable entries.
Supplied as a bag containing 25 reducers.
Reliable Cable Entry Adaptation for Industrial Installations
Thread reducers are essential accessories when installing cable glands into electrical enclosures with larger threaded openings. They provide a secure mechanical connection while allowing the correct gland size to be used without modifying the enclosure.
Cembre cable entry accessories are trusted throughout industrial automation, power distribution and OEM manufacturing, delivering reliable performance and professional installation quality in demanding environments.
Typical Applications
Industrial control panels.
Electrical switchgear.
Junction and terminal boxes.
Machine building and OEM equipment.
Power distribution systems.
Industrial cable gland installations.
Technical Specifications
Product type
Metric entry thread reducer
Thread standard
Metric
Material
Metallic construction
Finish
Corrosion resistant
Application
Cable gland thread reduction
Mounting
Threaded installation
Suitable for
Electrical enclosures, junction boxes and control panels
Pack quantity
25 pieces
HS Code
74153900
Country of Manufacture
China
Frequently Asked Questions
What is the Cembre 3017971 used for?
It is used to reduce the size of a metric threaded cable entry, allowing a smaller cable gland to be installed into a larger threaded enclosure opening.
Where is this reducer commonly installed?
It is typically fitted to industrial electrical panels, switchgear, junction boxes and machinery enclosures.
Is it suitable for metric cable glands?
Yes. The reducer is designed specifically for adapting metric threaded cable gland entries.
How many reducers are supplied?
The Cembre 3017971 is supplied in a bag of 25 pieces.
Who typically uses this product?
It is widely used by panel builders, electrical contractors, maintenance engineers and OEM machine manufacturers.
Trusted by Electrical Professionals Worldwide
Cembre cable entry accessories are trusted by electrical contractors, panel builders and OEM manufacturers for delivering secure, reliable and professional cable management solutions across industrial installations.
Product type
Metric entry thread reducer
Thread standard
Metric
Material
Metallic construction
Finish
Corrosion resistant
Application
Cable gland thread reduction
Mounting
Threaded installation
Suitable for
Electrical enclosures, junction boxes and control panels
Pack quantity
25 pieces
HS Code
74153900
Country of Manufacture
China
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
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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.
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...
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...