ABB S203-D2 2A 3-Pole 480 V Circuit Breaker

Introducing the ABB S203-D2 2A 3-Pole 480 V Circuit Breaker — a purpose-built protection device designed for reliable overcurrent protection in three-phase power systems. With a 2 A rating, three active poles, and a 480 V maximum voltage, this breaker is engineered to safeguard small-to-medium load circuits while maintaining smooth operation in demanding environments. The part number S203-D2 identifies the exact configuration you need for replacement or expansion, ensuring compatibility and consistency across your electrical distribution.

Why engineers and electricians choose the ABB S203-D2 for critical applications

• Three-pole protection covers all phases in a three-phase system, reducing the risk of phase imbalance and ensuring synchronized disconnection during fault conditions.
• Accurate 2 A protection) keeps nuisance trips to a minimum on low-current control circuits and lighting, while still delivering fast response to overloads and faults.
• Durable ABB engineering brings proven reliability and consistent performance in industrial panels, control cabinets, and distribution boards.
• Clear part identification with the S203-D2 designation helps streamline procurement, stocking, and maintenance workflows.
• Straightforward integration designed for standard three-phase installations up to 480 V, making it a practical fit for typical 400/480 V electrical infrastructures.

Ideal use scenarios

• Control panels for automated machinery where compact, dependable three-phase protection is essential
• Small to medium industrial distributions that require balanced three-phase circuit interruption at 480 V
• Maintenance-ready replacement parts for legacy systems that rely on ABB S-series breakers

What this means for you in real-world terms

• Reduced downtime thanks to reliable interruption during faults, helping protect wiring, motors, and downstream electronics.
• Operational clarity with a clearly defined current rating and pole configuration, making troubleshooting and upgrades faster and more predictable.
• Long-term value from a trusted ABB design that maintains performance across years of service in busy equipment rooms.

Technical snapshot at a glance

• Current rating: 2 A
• Poles: 3
• Voltage rating: 480 V
• Part Number: S203-D2

When you need reliable, three-phase overcurrent protection with precise, predictable performance at 480 V, the ABB S203-D2 2A 3-Pole 480 V Circuit Breaker stands out as a straightforward, durable choice. It speaks to professionals who value exact specifications, easy sourcing, and dependable protection for vital electrical systems.