ABB S201U-K50 Circuit Breaker, 50A, 1-Pole, 240V

The ABB S201U-K50 is a rugged, industrial-grade circuit breaker built to deliver reliable overcurrent protection for 240V systems. With a 50 A rating and a single-pole design, it’s an efficient solution for safeguarding feeders and critical circuits in industrial service, maintenance, and replacement projects.

Designed for straightforward compatibility, this unit is identified by the part number S201U-K50. Use the part number to confirm fit for your specific application and panel configuration. If you’re unsure, you can rely on our expertise to help verify compatibility based on your setup.

Key specifications

• Amperage: 50 A
• Poles: 1
• Voltage: 240 V
• Part Number: S201U-K50
• Type: Circuit Breaker for industrial electrical service

What makes this ABB breaker the right choice

• Reliability in demanding environments: ABB’s engineering delivers consistent protection in industrial settings, helping reduce downtime and protect equipment from overcurrent events.
• Targeted for replacement and maintenance: Ideal for upgrading aging protection devices or stocking for quick interchange during service outages, ensuring your operations stay on line.
• Clear compatibility signals: The S201U-K50 designation provides a precise fit path for systems that specify this part number, simplifying procurement and installation.

Practical use cases

• Protect 240V feeders feeding motors, controllers, or distribution panels in manufacturing environments.
• Replace worn or out-of-spec breakers in service panels during scheduled maintenance.
• Compact, single-pole protection for individual branch circuits where space is limited but reliable overcurrent protection is essential.

Note on compatibility: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.