Square D BDA34035Y 35A 3-Pole 277 V Circuit Breaker

The Square D BDA34035Y is a purpose-built 35A, 3-pole circuit breaker designed for 277 V three-phase distribution. Built to protect medium-demand loads in commercial settings, this unit fits Square D panels that accept the BDA-series devices, delivering reliable protection for every leg of your 3-phase system.

• Part Number: BDA34035Y
• Current Rating: 35 A
• Poles: 3
• Voltage Rating: 277 V

What sets this breaker apart

• Three-pole protection ensures all three phases disconnect together during a fault, safeguarding equipment and maintaining system balance.
• 277 V compatibility makes it ideal for commercial lighting, motors, and other three-phase circuits commonly found in offices, retail spaces, and industrial environments.
• Specific to Square D’s BDA family, offering reliable interchangeability with compatible panels and streamlined replacement in maintenance or upgrades.
• Clear part identification supports quick service and accurate system documentation, reducing downtime during troubleshooting.

Ideal use cases

• Protecting three-phase HVAC compressors, pumps, and motor-driven equipment in commercial facilities.
• Medium-load three-phase distribution for large lighting banks and industrial control panels operating at 277 V.
• Retrofits or panel upgrades where a 3-pole, 277 V, 35 A option is required to meet load and protection needs.

Installation and compatibility tips

• Verify that your electrical panel accepts BDA-series breakers and is configured for 277 V, three-phase service.
• Confirm the circuit amperage matches your load requirements (35 A) and use appropriate conductors for a 35 A circuit.
• Follow standard electrical safety practices and consult a licensed electrician for installation, maintenance, and troubleshooting.

With the Square D BDA34035Y, you gain a dependable, purpose-built solution for protecting three-phase loads at 277 V, backed by the trusted Square D/BDA lineage. This breaker is built to fit aligned panels, simplify maintenance, and help keep your commercial electrical system running smoothly.