ABB S271-KS30 Circuit Breaker, 30A, 1-Pole, 277V

ABB S271-KS30 Circuit Breaker, 30A, 1-Pole, 277V is designed for industrial electrical service, maintenance, and replacement projects. This 30-amp, single-pole device provides reliable overcurrent protection in 277-volt systems, helping protect wiring and equipment while minimizing unplanned downtime.

• 30 A, 277 V. Suitable for single-pole protection on circuits in commercial and industrial settings that operate at 277V distribution.
• One-pole design: Protects a single hot conductor, simplifying panel layouts and matching requirements where a 1-pole unit is needed.
• Part number for compatibility: Use S271-KS30 to verify fit with your panel and application requirements.

Why this matters in real-world use:

• Industrial service and maintenance: Seamlessly replace a failing breaker in factory, warehouse, or process facility panels with a unit designed for demanding environments.
• Protection for 277V circuits: Provides dependable protection for lighting and auxiliary equipment operating on 277V, reducing the risk of overcurrent damage and downtime.
• Replacement and retrofit projects: When upgrading or retrofitting, confirming the exact part number (S271-KS30) ensures compatibility and speeds up installation.

Practical notes to ensure a smooth fit:

• Verify fit by part number and application requirements. The S271-KS30 is the reference for compatibility checks—always cross-verify with your panel specifications and wiring diagram.
• Need help? If you’re unsure about compatibility, message us and we’ll help you match the part number to your application.

Designed for trusted ABB performance, this circuit breaker delivers clear, actionable protection for single-pole circuits in 277V distribution systems. It’s the right choice when you’re maintaining reliability in industrial environments and need a straightforward, drop-in replacement that aligns with your existing ABB equipment catalog and field conditions.