2160010 Cembre S1.5-M2 RING TERMINAL

2163550 Cembre S6-M3.5 RING TERMINAL

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
Price
List Price ex VAT
Your Price
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.

Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 100

£0.26

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.

● 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.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  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…

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

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

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...