ABB Terminal Set for Tmax XT2-XT8 MCCBs, 3-Pole, 2x50mm² Cu, 250A, Screw Connection, 6 Terminals

Electrical panel builders and maintenance technicians working with ABB Tmax XT moulded case circuit breakers often need a reliable way to connect large copper conductors. This terminal set provides exactly that: a set of six screw-type terminals for a 3-pole breaker, each pole accepting two copper conductors up to 50 mm² cross-section. It mounts directly onto the breaker, ensuring a secure and code-compliant main circuit connection for installations up to 320 A.

Key specifications

• Product type: Terminal set
• Compatibility: ABB Tmax XT2, XT3, XT4, XT5, XT6, XT7, XT8 moulded case circuit breakers
• Number of poles: 3 (set of 6 terminals)
• Conductor material: Copper (Cu)
• Max conductor cross-section: 50 mm² per conductor
• Conductors per pole: 2
• Connection type: Screw connection
• Rated current (cable capacity): approx. 250 A (depending on installation)
• Rated current (breaker range): up to 320 A
• Insulation material: Thermoplastic
• Mounting: Direct to circuit breaker
• Series: Tmax XT accessories
• Standards: IEC compliant
• Environmental compliance: RoHS compliant

Why choose it

These terminals are engineered to match ABB Tmax XT breakers precisely, eliminating guesswork and ensuring a tight, vibration-resistant connection. The screw-type design allows for quick installation and maintenance, while the use of high-quality copper and thermoplastic insulation provides long-term durability and safety in demanding industrial environments.

Ideal use cases

• Main circuit connections in industrial control panels
• Power distribution boards with ABB Tmax XT MCCBs
• Retrofitting or upgrading existing breaker installations
• Applications requiring high current capacity and reliable conductor termination

Good to know

The set includes all six terminals needed for a 3-pole breaker, so you don't have to order individual pieces. Always follow the breaker's installation manual for torque specifications and conductor preparation. The terminals are RoHS compliant, meeting current environmental regulations for electrical components.