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2100110 Cembre A03-M4 TERMINAL

2100110 Cembre A03-M4 TERMINAL

Cembre A03-M4 2100110 electrolytic copper non-insulated ring terminal with M4 stud connection for 0.5 mm² conductors.

SKU: 2100110Alt SKU: A03-M4MPN: 2100110
Price
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Manufacturer Lead Time

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Why Choose the Cembre A03-M4 Ring Terminal?

The Cembre A03-M4 (2100110) is a premium non-insulated electrolytic copper ring terminal designed for the secure termination of 0.5 mm² conductors onto M4 studs. As part of the trusted Cembre A-M series, it provides excellent electrical conductivity, high mechanical strength and dependable long-term performance in industrial electrical installations.

Manufactured from greater than 99.9% pure electrolytic copper, the terminal is annealed and electrolytically tin plated to improve crimpability while providing excellent corrosion resistance. The brazed seam and inspection hole help ensure a secure conductor termination and simplify installation.

Designed for professional panel builders, OEMs and electrical contractors, the A03-M4 is suitable for control panels, switchgear, machinery and general industrial wiring applications where reliable low-resistance electrical connections are essential.

Key Advantages

  • Manufactured from >99.9% pure electrolytic copper.
  • Electrolytic tin plating provides excellent corrosion resistance.
  • Designed for 0.5 mm² conductors.
  • Compatible with M4 fixing studs.
  • Inspection hole simplifies conductor insertion.
  • Annealed barrel enables consistent crimping.
  • Suitable for industrial control and power applications.

Key Features

  • Cembre A-M Series ring terminal.
  • Manufacturer reference: A03-M4.
  • Cembre product code: 2100110.
  • Electrolytic copper construction.
  • Electrolytically tin-plated finish.
  • For 0.5 mm² conductors.
  • M4 fixing hole.
  • Inspection hole and chamfered entry.
  • Industrial-grade non-insulated terminal.
  • Supplied in packs of 100 pieces.

Reliable Copper Terminations for Industrial Installations

Ring terminals provide secure, vibration-resistant electrical connections where conductors must be fastened to threaded studs or terminal blocks. The Cembre A03-M4 combines high-purity electrolytic copper with precision manufacturing to deliver dependable conductivity and long service life.

Its annealed barrel simplifies crimping while the electrolytic tin plating helps protect against oxidation and corrosion, making it suitable for demanding industrial environments.

Typical Applications

  • Industrial control panels.
  • Electrical switchgear.
  • Machine building.
  • OEM electrical equipment.
  • Automation systems.
  • General industrial wiring.
  • Electrical maintenance.

Technical Specifications

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Number of Fixing Holes 1
Device Type Copper Tube Lug
Conductor Size 0.5 mm²
Stud Size M4
Material Copper
Palm Angle Straight (0°)
Series A-M Copper Terminals
Product code 2100110
Product type Non-insulated ring terminal
Conductor size 0.5 mm²
Stud size M4
Terminal material Electrolytic copper (>99.9% purity)
Surface finish Electrolytic tin plated
Hole diameter 4.3 mm
Overall length 13 mm
Barrel length 6 mm
Cable stripping length 3.3 mm
Minimum packaging 100 pieces
HS Code 85369010
Country of Manufacture Italy

Frequently Asked Questions

What is the Cembre A03-M4 used for?

It provides a secure ring termination for 0.5 mm² conductors on M4 threaded studs.

What conductor size is supported?

The terminal is designed for 0.5 mm² conductors.

What stud size is compatible?

The terminal is designed for M4 studs with a 4.3 mm fixing hole.

Why is the terminal tin plated?

Electrolytic tin plating improves corrosion resistance while maintaining excellent electrical conductivity.

Where is this terminal typically installed?

It is commonly used in industrial control panels, switchgear, machinery and OEM electrical equipment.

Trusted by Electrical Professionals Worldwide

Cembre copper terminals are trusted worldwide by electrical contractors, panel builders and OEM manufacturers for dependable conductor termination and long-term electrical performance.

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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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