Why Choose the Cembre 2509890 Heavy Duty Ring Terminal?
The Cembre 2509890 is a premium heavy duty copper compression ring terminal (type 2A120-M20) designed to provide secure, low-resistance electrical connections for demanding industrial, utility and medium-voltage applications. Manufactured from high-purity annealed electrolytic copper with an electrolytically tin-plated finish, it delivers exceptional electrical conductivity together with outstanding corrosion resistance.
As part of the trusted Cembre 2A-M Heavy Duty Series, this terminal incorporates a double-length seamless barrel without an inspection hole, improving both electrical and mechanical performance while preventing moisture ingress into the crimped connection. The annealed copper construction ensures excellent ductility and reliable compression performance even in demanding environments.
Designed for 630 mm² copper conductors with an M20 fixing stud, the Cembre 2509890 is ideal for substations, transformers, switchgear, industrial control equipment and medium-voltage cable installations operating up to 35 kV.
Key Advantages
- Heavy-duty copper compression terminal for industrial and utility power systems.
- 630 mm² conductor capacity with M20 stud fixing.
- Manufactured from high-purity electrolytic copper for excellent conductivity.
- Electrolytically tin-plated to resist corrosion and oxidation.
- Double-length barrel improves electrical and mechanical performance.
- Seamless barrel without inspection hole prevents moisture ingress.
- Suitable for indoor, outdoor and medium-voltage applications up to 35 kV.
Key Features
- Cembre 2A-M Heavy Duty Series.
- Manufacturer part number: 2509890.
- Type: 2A120-M20.
- Designed for 630 mm² copper conductors.
- M20 stud fixing.
- Annealed high-purity electrolytic copper construction.
- Electrolytically tin-plated finish.
- Long seamless barrel without inspection hole.
- Suitable for hexagonal compression crimping.
Reliable Electrical Connections for Industrial Power Systems
Heavy-duty compression lugs provide permanent, low-resistance electrical terminations capable of carrying extremely high current loads while maintaining excellent mechanical integrity. Their extended barrel construction ensures optimum crimp performance and dependable long-term reliability.
The Cembre 2A-M range is trusted by utilities, OEMs, panel builders and industrial maintenance engineers for substations, transformers, switchgear, grounding systems and medium-voltage cable installations requiring dependable electrical performance.
Typical Applications
- Industrial switchgear and distribution equipment.
- Medium-voltage cable terminations.
- Power generation and utility infrastructure.
- Transformer and substation installations.
- Grounding and earthing systems.
- Heavy industrial machinery and electrical power systems.
