ABB T1N030TLA 30A 3-Pole 480 V Circuit Breaker Potential Transformer

Introducing the ABB T1N030TLA 30A 3-Pole 480 V Circuit Breaker Potential Transformer — a purpose-built protective device engineered for robust three-phase power protection in demanding industrial environments. This ABB breaker delivers reliable overcurrent protection for 480 V systems, with a precise 30 A rating across three poles to safeguard feeders, motors, and distribution lines from overloads and short circuits while maintaining steady operation of your electrical network.

• Three-pole protection for balanced current handling across all phases in 3-phase systems.
• 30 A current rating tuned for typical feeders and motor circuits without nuisance tripping during startup.
• 480 V voltage rating aligned with standard industrial power networks.
• Potential transformer compatibility enables accurate sensing, metering, and protection coordination within ABB's protection and monitoring ecosystem.
• Reliable ABB technology with proven trip performance and mechanical durability for long service life in harsh environments.
• Easy integration with common panelboards and electrical enclosures, simplifying installation and maintenance.

Key specifications at a glance

• Current rating: 30 A
• Poles: 3
• Voltage rating: 480 V
• Part number: T1N030TLA

Ideal use cases include data centers, manufacturing floors, heavy machinery feeders, HVAC systems, and process plants where reliable three-phase protection is essential. By selecting this breaker, you gain not only overcurrent protection but also the ability to leverage integrated sensing for better fault analysis and preventative maintenance planning.

What sets this unit apart is its synchronized three-pole design, which minimizes arc-flash risk and downtime during faults, and its compatibility with potential transformer configurations that support enhanced safety and monitoring without added hardware complexity. The T1N030TLA specification ensures a precise match for replacements in legacy installations or expansions, providing peace of mind through consistent performance.

Practical deployment tips:

• Verify system voltage and phase configuration before installation to ensure full compatibility with 480 V three-phase networks.
• Consult the official ABB datasheet for installation guidelines, terminal sizing, and wiring considerations to guarantee optimal performance and safety.
• Consider pairing this breaker with ABB’s monitoring and protection ecosystem to capture live current data and fault events for streamlined diagnostics and maintenance planning.