Cembre 2163550 S6-M3.5 copper crimp ring terminal for 4–6 mm² conductors with M3.5 stud size, manufactured from electrolytic tin-plated copper for reliable industrial electrical connections.
SKU:2163550Alt SKU:S6-M3.5MPN:2163550
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Why Choose the Cembre 2163550 S6-M3.5 Ring Terminal?
The Cembre 2163550 S6-M3.5 Ring Terminal is a premium-quality copper crimp ring terminal engineered to provide secure, low-resistance electrical connections in industrial control panels, machinery, switchgear and commercial electrical installations. Manufactured by Cembre, a global leader in electrical connection technology, this terminal delivers dependable performance, excellent conductivity and long service life in demanding environments.
Manufactured from 99.95% pure electrolytic copper with a durable electro-tin plated finish, the terminal offers outstanding corrosion resistance while maintaining excellent electrical conductivity. The internally knurled barrel enhances conductor grip during crimping, ensuring a strong, vibration-resistant electrical connection.
Designed for 4–6 mm² conductors with an M3.5 stud size, the Cembre S6-M3.5 is ideal for industrial automation, panel building, machinery wiring and electrical maintenance where reliable cable termination is essential.
Key Advantages
Professional copper crimp ring terminal for industrial electrical connections.
Suitable for 4–6 mm² copper conductors.
M3.5 ring size for secure stud connections.
Manufactured from 99.95% pure electrolytic copper.
Electro-tin plated for superior corrosion resistance.
Knurled internal barrel improves cable retention during crimping.
Designed for industrial control panels, machinery and automation systems.
Key Features
Cembre S6-M3.5 Ring Terminal.
Manufacturer Part Number: 2163550.
For 4–6 mm² copper conductors.
M3.5 stud fixing.
Electrolytic copper construction.
Electro-tinned finish for corrosion protection.
Operating temperature: -50°C to +150°C.
Designed for professional crimp installation.
Reliable Electrical Connections
Ring terminals provide permanent, vibration-resistant cable terminations that deliver excellent electrical contact and mechanical strength. Their enclosed ring design prevents accidental disconnection, making them ideal for switchgear, industrial control systems and electrical distribution equipment.
The Cembre S6-M3.5 combines precision manufacturing with premium materials to provide dependable performance, excellent corrosion resistance and long service life in demanding industrial environments.
Typical Applications
Industrial control panels.
Machine wiring.
Electrical switchboards.
Industrial automation systems.
Maintenance and repair operations.
General industrial electrical installations.
Technical Specifications
Series
S Ring Terminals
Manufacturer Part Number
2163550
Product type
Copper crimp ring terminal
Cable size
4–6 mm²
Stud size
M3.5
Material
99.95% electrolytic copper
Finish
Electro-tinned
Operating temperature
-50°C to +150°C
Compliance
ETIM EC001052
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2163550 used for?
It is used to create secure crimped ring terminations on copper conductors for industrial and commercial electrical installations.
What cable sizes does it support?
The terminal is designed for copper conductors ranging from 4 mm² to 6 mm².
What stud size does this ring terminal fit?
The terminal is designed for use with an M3.5 stud or fixing screw.
What material is the terminal made from?
It is manufactured from 99.95% pure electrolytic copper with an electro-tinned finish for excellent conductivity and corrosion resistance.
Where is this ring terminal typically used?
It is commonly used in industrial machinery, electrical panels, switchgear, automation equipment and general electrical installations requiring secure cable terminations.
Trusted by Electrical Professionals Worldwide
Cembre terminals are trusted by electricians, panel builders and industrial engineers worldwide for delivering safe, reliable electrical connections and consistent long-term performance.
Series
S Ring Terminals
Manufacturer Part Number
2163550
Product type
Copper crimp ring terminal
Cable size
4–6 mm²
Stud size
M3.5
Material
99.95% electrolytic copper
Finish
Electro-tinned
Operating temperature
-50°C to +150°C
Compliance
ETIM EC001052
HS Code
85369010
Country of Manufacture
Italy
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
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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...