ABB T1N090TL 90A 3-Pole 347 V Circuit Breaker

The ABB T1N090TL is a purpose-built 3-pole circuit breaker designed to protect 3-phase electrical systems operating up to 347 V. With a 90 A current rating, it provides reliable overcurrent protection for motors, pumps, and other demanding loads in commercial and industrial environments. This device is a practical choice when your distribution network runs on a 347 V three-phase supply, helping to prevent damage from faults and short circuits while keeping downtime to a minimum.

Key specifications

• Current rating: 90 A
• Poles: 3
• Voltage rating: 347 V
• Part Number: T1N090TL

What sets this breaker apart

Designed for 347 V three-phase networks, the ABB T1N090TL delivers balanced protection across all phases, reducing the risk of uneven fault clearance. Its robust build is suited for the demands of commercial electrical rooms and light-industrial environments, where reliable interruption of fault currents is critical for protecting conductors, controllers, and connected equipment. The 3-pole configuration ensures synchronized protection of all phases, simplifying panel layouts and improving system reliability in busy distribution boards.

Ideal use cases

• Protection for 347 V three-phase motors (pumps, fans, compressors) up to 90 A
• Distribution for commercial HVAC systems and large lighting installations
• Three-phase protection in data centers, manufacturing floors, and processing lines that run on 347 V networks

Installation and compatibility tips

• Confirm that your panel or distribution board accepts 3-pole breakers and supports a 347 V rated device.
• Mount and wire the breaker per the manufacturer’s installation guidelines, ensuring all three poles are correctly terminated.
• Match the system voltage to 347 V to ensure accurate fault protection and dependable tripping behavior.
• Store and handle with care to preserve the integrity of the mechanism and terminals for long-term reliability.

Equip your 347 V electrical infrastructure with the ABB T1N090TL 90 A 3-Pole Circuit Breaker for precise, reliable protection that helps safeguard both people and equipment in demanding commercial and industrial settings.