ABB S271-NAK1.6A Circuit Breaker, 6A, 2-Pole, 277V

The ABB S271-NAK1.6A is a purpose-built circuit breaker designed for industrial electrical service, maintenance, and replacement projects. With a 6-amp rating, a two-pole configuration, and a 277 V operating voltage, it delivers dependable overcurrent protection for critical loads while aligning with ABB’s trusted S271 family. Always verify compatibility using the part number S271-NAK1.6A and your specific application requirements.

Key advantages

• Two-pole design protects two live lines with a single device, simplifying panel layouts in industrial distributions.
• 6 A rating provides precise protection for smaller control circuits, signaling lines, and lighting runs without unnecessary trips.
• 277 V nominal operation makes it well suited for commercial/industrial systems that use 277 V distribution, common in panel boards and lighting networks.
• Rugged ABB construction built for reliability in demanding environments, from factory floors to retrofit projects.
• Part-number compatibility at a glance—verify fit by part number and application requirements to ensure seamless replacement or upgrade. If in doubt, we can help confirm compatibility.

Ideal use cases

• Repair and replacement in service panels, control centers, and industrial distribution boards where a 6 A, 2-pole, 277 V breaker is required.
• Retrofits and upgrades of older panels to modern ABB components without changing the surrounding infrastructure.
• Protection of lighting circuits and small auxiliary loads in commercial facilities operating at 277 V systems.

Why choose this ABB breaker? It pairs precise current protection with dependable performance, ensuring circuits stay safe while equipment runs smoothly. For engineers and technicians, the part-number-driven compatibility check simplifies procurement and installation planning, helping you avoid mismatches in form factor or voltage rating. If you need help matching a part number or confirming compatibility with your panel or application, send a message—we’re ready to assist.