Square D BDA140301 30A 1-Pole 277 V Circuit Breaker Potential Transformer

Meet the Square D BDA140301—a reliable, single-pole circuit protector built for 277V commercial and industrial environments. With a 30A rating, this 1-pole breaker delivers focused overcurrent protection where single-phase loads drive lighting, controls, and small equipment in today’s voltage-rich facilities.

• Part Number: BDA140301
• Current rating: 30 A
• Poles: 1
• Voltage rating: 277 V
• Brand: Square D

Why this breaker stands out for 277V applications

• Ideal for single-phase circuits that feed commercial lighting, control circuits, or other 277V loads, helping to prevent damage from overcurrent without unnecessary complexity.
• Seamless integration in Square D ecosystems: Designed to pair with compatible Square D panels and bus configurations, simplifying replacement and service in established electrical installations.
• Durable, field-ready design: Built to perform reliably in demanding commercial environments where consistent protection matters most.

Practical use cases and scenarios

• Protect 277V lighting feeders in offices, retail spaces, schools, and healthcare facilities where a single, dependable 30A protection point is required.
• Replace or retrofit aging single-pole breakers in 277V distribution paths to restore stable protection for critical loads.
• Support small equipment circuits that rely on a straightforward 1-pole solution within a 277V system.

Helpful guidance for installation and selection

• Verify that your panel is compatible with the BDA140301 and that the 277V, 1-pole configuration matches the circuit requirements.
• Ensure proper electrical safety practices and refer to local codes or a licensed electrician for installation and torque specifications.
• Keep the part number handy (BDA140301) for future replacements or cross-referencing within Square D components.

The Square D BDA140301 30A 1-Pole 277 V Circuit Breaker is a purpose-built choice when you need dependable, straightforward protection for single-phase 277V circuits. Its focused rating and seamless compatibility with established Square D infrastructure help you maintain reliable electrical performance with fewer interruptions.