2050390 Cembre RF-M10 RING TERMINAL

2050390 Cembre RF-M10 RING TERMINAL

Cembre 2050390 RF-M10/1 red PVC insulated ring terminal for 0.25–1.5 mm² copper conductors with M10 stud connection and extended palm design.

SKU: 2050390Alt SKU: RF-M10MPN: 2050390
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Why Choose the Cembre 2050390 RF-M10/1 Insulated Ring Terminal?

The Cembre 2050390 (RF-M10/1) is a professional red PVC insulated ring terminal designed to provide secure, low-resistance electrical terminations for copper conductors. Manufactured from annealed electrolytic copper with a durable tin-plated finish, it delivers excellent electrical conductivity, outstanding corrosion resistance and dependable long-term performance in industrial and commercial applications.

Part of Cembre's trusted RF insulated terminal range, the 2050390 incorporates a funnel-entry PVC insulation sleeve that simplifies conductor insertion while protecting wire strands during crimping. Its extended palm design provides increased mechanical support around the fixing point, making it ideal for applications requiring enhanced strength and durability.

Suitable for 0.25–1.5 mm² conductors and M10 stud connections, the Cembre 2050390 is widely specified by panel builders, electrical contractors and OEM manufacturers where dependable electrical connections are essential.

Key Advantages

  • Professional PVC insulated ring terminal.
  • Suitable for 0.25–1.5 mm² copper conductors.
  • M10 ring connection with extended palm design.
  • Electrolytic copper construction with durable tin plating.
  • Funnel-entry insulation simplifies installation.
  • Excellent resistance to vibration and corrosion.

Key Features

  • Manufacturer: Cembre
  • Model: 2050390
  • Alternative designation: RF-M10/1
  • Product type: PVC insulated ring terminal
  • Conductor size: 0.25–1.5 mm²
  • Stud size: M10
  • Insulation colour: Red
  • Extended palm design with tin-plated electrolytic copper construction.

Reliable Electrical Connections for Industrial Wiring

Insulated ring terminals provide dependable electrical and mechanical connections by securely fastening conductors to threaded studs. Their enclosed ring design helps prevent accidental disconnection while maintaining excellent contact integrity in environments exposed to vibration and continuous operation.

The Cembre RF-M10/1 range is trusted by electricians, panel builders and OEM manufacturers for professional cable terminations that deliver consistent crimp quality, excellent conductivity and long service life.

Typical Applications

  • Industrial control panels.
  • Electrical switchgear.
  • Automation systems.
  • Machine building.
  • Commercial electrical installations.
  • Maintenance and repair work.

Technical Specifications

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Connection Orientation Straight
Conductor Size 0.5–1.5 mm²
Material PVC
Colour Red
Insulation Type PVC insulated
Stud Size M10
Device Type Ring Terminal
Alternative part number RF-M10/1
Product type PVC insulated ring terminal
Conductor material Annealed electrolytic copper (>99.95% purity)
Surface finish Tin plated
Insulation material PVC
Insulation colour Red
Cable cross section 0.25–1.5 mm²
Stud size M10
Operating temperature -20°C to +75°C (90°C short duration)
Installation method Compression crimp
HS Code 85369010
Country of Manufacture Italy

Frequently Asked Questions

What is the Cembre 2050390 used for?

It is used to create secure crimped ring terminations on copper conductors for industrial and commercial electrical installations.

What cable sizes does the RF-M10/1 support?

The terminal is designed for copper conductors from 0.25 mm² to 1.5 mm².

What stud size is this terminal designed for?

The Cembre 2050390 is designed to fit M10 threaded studs.

What is the benefit of the RF-M10/1 extended design?

The extended palm provides additional contact area and mechanical support around the fixing point while maintaining secure electrical performance.

Where is this terminal typically used?

It is commonly installed in industrial machinery, control panels, switchgear, automation equipment and electrical distribution systems.

Trusted by Electrical Professionals Worldwide

Cembre insulated crimp terminals are trusted by electricians, panel builders and OEM manufacturers for delivering secure, high-quality electrical connections in demanding industrial environments.