Square D BDA24100Y2 Circuit Breaker, 100A, 2-Pole, 277V

The Square D BDA24100Y2 Circuit Breaker is engineered to protect demanding industrial electrical systems with precision. Rated at 100 amperes and configured as a robust 2-pole device for 277V, this breaker is built for reliability in service entrances, maintenance projects, and replacement work where uninterrupted protection matters most.

Why the BDA24100Y2 stands out

• Clear, two-pole protection – Protects both conductors in a 277V circuit, ensuring simultaneous disconnect and safer shutdown of connected equipment.
• 100 A capacity – Delivers strong overload protection for high-demand industrial loads without compromising reliability or response time.
• 277V compatibility – Specifically suited for commercial and industrial installations that run on 277V circuits, including lighting and distribution applications.
• Concrete, field-ready adaptability – Designed for industrial service, maintenance, and replacement projects where quick compatibility and proven performance matter.

Ideal use cases

• New installations in industrial panels that require a 100A, 2-pole, 277V protection device.
• Maintenance scenarios where reliable replacement breakers keep critical equipment online with minimal downtime.
• Retrofits and upgrades to align with existing Square D or Schneider Electric systems, simplifying part compatibility checks.
• Service upgrades for facilities relying on robust, standardized protection across multiple circuits.

Compatibility and installation notes

Use the exact part number, BDA24100Y2, to confirm fitment with your application. Verify compatibility by cross-checking your panelboard requirements and the device’s specifications. If you’re unsure about matching a part number to your equipment, send us a message and we’ll assist with compatibility guidance tailored to your setup.

Specifications at a glance

• Manufacturer: Square D
• Part Number: BDA24100Y2
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 2
• Voltage: 277 V

Whether you’re building out a new industrial control system, replacing a failed unit, or upgrading an aging installation, the Square D BDA24100Y2 delivers dependable protection you can trust. Rely on a proven solution from a brand with deep expertise in electrical protection, and confirm fit with your exact application using the part number provided. If you need help verifying compatibility, our team is ready to assist so you can move forward with confidence.