Why Choose the Cembre 2145685 RKY-M3.5 Ring Terminal?
The Cembre 2145685 (RKY-M3.5) is a premium-quality pre-insulated anti-vibration ring terminal designed to provide secure, long-lasting electrical connections for flexible copper conductors in industrial control panels, machinery, switchgear and OEM electrical equipment. Manufactured by Cembre, this reinforced ring terminal is engineered for applications subject to continuous vibration and mechanical stress while maintaining excellent electrical performance.
Manufactured from 99.9%+ electrolytic copper with a durable tin-plated finish, the RKY-M3.5 features a reinforced anti-vibration collar and halogen-free PA6.6 polyamide insulation. Its funnel-shaped insulated entry simplifies conductor insertion while improving mechanical retention after crimping, resulting in reliable, professional cable terminations.
Suitable for 0.25–1.5 mm² flexible copper conductors with an M3.5 stud fixing, the Cembre 2145685 is widely used by panel builders, maintenance engineers and industrial electricians who require dependable, vibration-resistant electrical connections.
Key Advantages
Professional pre-insulated anti-vibration ring terminal.
Tin-plated electrolytic copper construction provides excellent conductivity.
Halogen-free PA6.6 insulation.
Fast installation with funnel-shaped cable entry.
Key Features
Cembre RKY series.
Manufacturer part number: 2145685.
Pre-insulated ring terminal.
Suitable for 0.25–1.5 mm² flexible copper conductors.
M3.5 stud size.
Electrolytic tin-plated copper conductor.
Polyamide PA6.6 insulated sleeve.
Anti-vibration reinforced construction.
Reliable Electrical Connections for Industrial Equipment
Ring terminals provide permanent, vibration-resistant electrical connections that remain securely fastened under demanding operating conditions. Their reinforced construction offers improved resistance to mechanical stress while maintaining excellent electrical conductivity throughout the service life of the installation.
The Cembre RKY series is trusted by industrial electricians, OEM machine builders and panel manufacturers for dependable electrical connections in automation systems, switchgear and machinery exposed to continuous vibration.
Typical Applications
Industrial control panels.
Machine building.
Automation systems.
Electrical switchgear.
Maintenance and repair work.
General industrial wiring.
Technical Specifications
Series
RKY Reinforced Ring Terminals
Part number
2145685
Product type
Pre-insulated anti-vibration ring terminal
Cable size
0.25–1.5 mm²
Stud size
M3.5
Insulation colour
Red
Conductor material
Electrolytic copper
Surface treatment
Tin plated
Insulation material
Polyamide PA6.6
Operating temperature
-20°C to +105°C (110°C short-term)
Flammability
UL94 V2
Halogen free
Yes
Installation
Crimp termination
HS Code
85369010
Country of Manufacture
Taiwan
Frequently Asked Questions
What is the Cembre 2145685 used for?
It provides secure crimped ring terminations for flexible copper conductors connected to M3.5 stud terminals.
What cable size is supported?
The RKY-M3.5 accepts flexible copper conductors from 0.25 mm² to 1.5 mm².
Why is the terminal vibration resistant?
The reinforced anti-vibration collar improves the mechanical grip on the cable insulation, helping maintain reliable electrical connections in demanding environments.
What material is the terminal manufactured from?
It is manufactured from electrolytic tin-plated copper with durable halogen-free PA6.6 insulation.
How is the terminal installed?
The terminal is crimped onto the conductor using an appropriate crimping tool before being secured to an M3.5 fixing stud.
Trusted by Electrical Professionals Worldwide
Cembre electrical connection products are trusted by panel builders, OEM manufacturers and industrial electricians for delivering safe, reliable and professional electrical terminations across demanding industrial environments.
Series
RKY Reinforced Ring Terminals
Part number
2145685
Product type
Pre-insulated anti-vibration ring terminal
Cable size
0.25–1.5 mm²
Stud size
M3.5
Insulation colour
Red
Conductor material
Electrolytic copper
Surface treatment
Tin plated
Insulation material
Polyamide PA6.6
Operating temperature
-20°C to +105°C (110°C short-term)
Flammability
UL94 V2
Halogen free
Yes
Installation
Crimp termination
HS Code
85369010
Country of Manufacture
Taiwan
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.
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.
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...