Square D BDA34050Y - 50 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState

Introducing the Square D BDA34050Y, a 50A, 480V, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch-circuit protection in demanding electrical panels. This unit, available through AmpState, ensures quick replacements and dependable protection for panelboards and load centers.

Key features that streamline maintenance and safeguard your electrical system:

• Fast plug-in connection for quick installation and effortless replacement in compatible panelboards and load centers.
• Thermal-magnetic trip unit provides stable, repeatable protection, coordinating overload protection with short-circuit response to minimize nuisance trips and shield downstream equipment.
• OEM-compatible design engineered to drop into matching Square D load centers and panelboards without modification, preserving listing and safety certifications.
• Versatile, three-pole configuration ideal for 3-phase systems common in commercial and light industrial environments.

Technical snapshot

• Manufacturer: Square D
• Part Number: BDA34050Y
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 50 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

This 3-pole plug-in MCCB is ideal for protecting feeders and branch circuits in panelboards and load centers used in offices, retail spaces, data rooms, and light industrial facilities. It excels in applications where reliable trip performance under fault conditions is critical, and where quick transformer or panel upgrades require a drop-in breaker with precise trip characteristics.

Why choose this model over other breakers? It combines fast, field-friendly plug-in installation with a reliable thermal-magnetic trip that aligns with modern protection standards, all in a design purpose-built for Square D OEM panels. Its 480V rating makes it suitable for 3-phase distributions typical in commercial and industrial settings, giving you a safe, scalable solution for mid-to-large load centers.

Practical tips for maximizing performance: verify panel compatibility with the BDA34050Y, confirm the panel's listing supports 480V 3-pole plug-in breakers, and plan for orderly replacement to minimize downtime. Maintain routine inspection of panel connections and trip settings following electrical codes and manufacturer guidelines.