ABB T2S030TW 30A 3-Pole 480 V Circuit Breaker Potential Transformer

The ABB T2S030TW 30A 3-Pole 480 V Circuit Breaker is built for dependable protection in demanding electrical environments. With a 30-amp current rating and a three-pole design, it delivers coordinated protection for 3-phase power distribution at up to 480 volts. As part of ABB’s trusted T2S family, this breaker is designed to integrate with potential transformers for precise metering and protection signaling, giving you clear visibility and reliable safety across your panel.

Why the T2S030TW stands out

• Three-pole configuration provides true 3-phase protection, ideal for balanced and unbalanced loads in industrial and commercial applications.
• 480 V compatibility aligns with common industrial power systems, enabling straightforward deployment in standard electrical rooms and panels.
• Potential transformer integration supports metering and protective coordination, helping you monitor and safeguard circuits with greater accuracy.
• Traceable part identity via Part Number T2S030TW ensures consistent replacement parts and seamless maintenance within ABB ecosystems.
• Durable, device-level reliability designed for repetitive fault events and long service life in demanding environments.

Key specifications

• Part Number: T2S030TW
• Current rating: 30 A
• Poles: 3
• Voltage rating: 480 V

Ideal use cases

Perfect for protecting 3-phase feeders in manufacturing lines, HVAC systems, pumping and motor control circuits, and data center infrastructure. The T2S030TW helps prevent costly damage from overloads or short circuits while enabling precise protection coordination with metering hardware. If your panels require reliable 3-phase protection at 480 V and you rely on potential transformers for monitoring, this breaker is designed to fit seamlessly into your protection scheme.

Installation and compatibility tips

Ensure the breaker is suitable for your panel’s enclosure and wiring configuration, and verify 3-phase supply aligns with the 480 V rating. Follow your local electrical codes and ABB installation guidelines for proper termination, torque, and fault protection coordination. When using potential transformers, configure the metering and protection circuits to match the device’s trip characteristics and coordination requirements for accurate fault isolation and system awareness.

What makes this model a practical choice

Choosing the ABB T2S030TW means opting for a proven protection device that aligns with ABB’s engineering standards and panel design compatibility. It’s a sensible option for engineers and panel builders who need reliable 3-phase protection at 480 V, with the added capability to integrate with potential transformers for enhanced monitoring and protection coordination. This combination of robust electrical protection, system visibility, andABB-compatible parts support can reduce downtime and simplify maintenance planning over the life of the installation.