ABB S201UP-K6 Circuit Breaker, 6A, 1-Pole, 277V

The ABB S201UP-K6 circuit breaker delivers dependable overcurrent protection for industrial electrical service, maintenance, and replacement projects. With a 6 A rating, a single pole, and a 277 V operating range, this breaker is designed to safeguard critical circuits in commercial and light industrial settings. Use the part number S201UP-K6 to confirm exact compatibility with your panel and application requirements.

Key specifications

• Manufacturer: ABB
• Part Number: S201UP-K6
• Product Type: Circuit Breaker
• Amperage: 6 A
• Poles: 1
• Voltage: 277 V

What this means for your system

Designed for single-pole protection, the S201UP-K6 fits circuits that operate at 277 V, a common configuration in commercial electrical distributions. Its 6 A rating provides targeted protection for control circuits, lighting circuits, or other low-current loads where precise trip thresholds help prevent nuisance outages while still safeguarding infrastructure.

Ideal use cases

• Industrial service panels undergoing maintenance or upgrades
• Replacement of aged or failed breakers in commercial or light industrial environments
• On-hand spare for technicians who service 277 V distribution networks

How to verify compatibility

To ensure a perfect fit, confirm the following:

• The required protection level matches 6 A and the circuit’s load characteristics
• The panel or distribution system operates at 277 V with a single-pole configuration
• The exact part number in your bill of materials is S201UP-K6

Need help matching a part number or confirming compatibility? Message us and we’ll help you validate fit for your application, so you can move forward with confidence and minimize downtime.