ABB S201U-K3 Circuit Breaker, 3A, 1-Pole, 240V

Meet the ABB S201U-K3 Circuit Breaker — a purpose-built protector for industrial electrical service, maintenance, and replacement projects. With a precise 3 A rating, 1 pole configuration, and 240 V operating voltage, this device delivers targeted overcurrent protection exactly where you need it.

• Targeted protection for small circuits: a 3 A rating keeps sensitive equipment safe from overloads while minimizing unnecessary trips.
• Robust ABB reliability in a compact form: part of the S201U-K3 family, engineered to withstand demanding industrial environments.
• 1-pole, 240 V design: streamlined protection for single-leg circuits in 240 V systems—ideal for space-constrained panels.
• Clear compatibility verification: always confirm fit by part number (S201U-K3) and your specific application requirements.
• Built for maintenance and replacement: simplifies field upgrades and service downtime, helping keep production lines moving.

This ABB circuit breaker is well-suited for manufacturing, process control, and service environments where reliable, easy-to-replace protection is essential. It serves as a practical, ready-to-install solution for panel boards and critical control circuits that require precise current limiting at 240 V. By matching the exact part number S201U-K3 to your panel catalog and application needs, you ensure a seamless fit and dependable performance over time.

If you need help confirming compatibility or matching the right part number to your equipment, send a note — we’re happy to assist and ensure you select the correct ABB solution for your project.