RF-M4/3 Ring Terminal (2050170): Reliable Connections for Demanding Applications The RF-M4/3 Ring Terminal (2050170) provides a secure and efficient connection for your electrical installations.
SKU:2050170Alt SKU:RF-M4/3MPN:2050170
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RF-M4/3 Ring Terminal (2050170): Reliable Connections for Demanding Applications
The RF-M4/3 Ring Terminal (2050170) provides a secure and efficient connection for your electrical installations. Designed for professional electricians, panel builders, and maintenance engineers, this red, insulated ring terminal ensures long-lasting performance and compliance with UL 486A-486B and UL 486C standards.
Key Features
Secure crimp connection for 0.25 - 1.5 mm² cables
M4 screw size for compatibility with standard applications
Tin-plated electrolytic copper conductor for optimal conductivity and corrosion resistance
PVC insulation for protection and easy identification
UL 94 V0 flammability rating for enhanced safety
Technical Specifications
Applications
Applications
Control panels and industrial automation systems
Electrical installations in buildings and infrastructure
This ring terminal is designed to meet stringent industry standards (UL 486A-486B, UL 486C) and is manufactured with high-quality, durable materials. The tin-plated electrolytic copper conductor ensures optimal conductivity and corrosion resistance, while the PVC insulation offers excellent protection and clear identification.
What cable sizes are compatible with this terminal?
This ring terminal is suitable for cable cross-sections ranging from 0.25 mm² to 1.5 mm².
What is the operating temperature range?
The RF-M4/3 ring terminal operates reliably from -20°C to 80°C. It can withstand temperatures up to 90°C for short periods.
Part Number
2050170
Catalog Number
RF-M4/3
Operating Temperature
-20°C to 80°C (90°C short periods)
Conductor Material
Electrolytic copper (99.95% purity)
Conductor Plating
Tin (min. 3µm)
Insulation Material
PVC (Red)
Cable Cross Section
0.25 - 1.5 mm²
Screw Diameter
M4
Flammability Rating
UL 94 V0
Standards
UL 486A-486B; UL 486C
Dimensions
See datasheet for complete dimensional details.
Packaging
Boxes of 100 pieces (minimum order quantity)
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
● 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...