ABB S203UP-K2A Circuit Breaker, 2A, 3-Pole, 480V

Meet the ABB S203UP-K2A Circuit Breaker — a purpose-built protection device for demanding industrial electrical service, maintenance, and replacement projects. This 2 A, 3-pole breaker is designed to safeguard 3-phase systems operating up to 480 V, helping keep panels, machinery, and operators protected in high-demand environments. Use the part number S203UP-K2A to confirm compatibility with your specific application and equipment.

• 3-pole, 3-phase protection: Intervenes simultaneously across all phases to maintain balance and prevent faults from propagating through the system.
• 2 A current rating: Delivers precise overload protection for sensitive industrial equipment, reducing nuisance trips while safeguarding conductors and devices.
• 480 V operation: Suitable for common industrial power distributions, supporting reliable circuit protection in demanding environments.
• Part-number driven compatibility: Verify fit and performance by the exact part number (S203UP-K2A) and align with your application requirements.
• Designed for service, maintenance, and replacement: A dependable choice when upgrading protection in existing panels or stocking replacements for field service.

Ideal use cases

This ABB circuit breaker is well-suited for three-phase industrial panels, machine control circuits, and distribution boards where precise 2 A protection at up to 480 V is required. It’s a practical choice for facilities with dedicated 3-phase equipment, conveyors, pumps, and other industrial loads that demand reliable interruption protection without disrupting broader operations.

How to ensure the right fit

Because compatibility hinges on the exact part number and your application, start with the S203UP-K2A to confirm fit. If you’re unsure about panel compatibility or surrounding equipment, reach out — we can help verify that this breaker aligns with your electrical distribution and safety requirements.

Need guidance on compatibility or quick replacement options? Message us and we’ll assist in matching the part number to your exact panel and project needs.