Square D BDA34030Y - 30 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D BDA34030Y is a 30A, 480V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for quick installation and straightforward field replacement, this unit uses a fast plug-in connection that minimizes downtime and keeps projects moving.

• Fast plug-in connection for quick installation and easy replacements, reducing panel downtime during servicing or upgrades.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining thermal overload sensing with instantaneous magnetic trip for short circuits.
• 3-pole design ensures coordinated protection across all three phases, ideal for balanced 3‑phase circuits and equipment.
• 480V rating supports higher-voltage panelboards and motor-driven systems common in commercial and light industrial environments.
• OEM compatibility is matched with Square D load centers and panelboards, helping maintain consistent trip characteristics and reliable performance.
• Rugged molded case construction offers durable protection in demanding electrical rooms, control cabinets, and distribution panels.

This breaker is suited for a wide range of applications, including electrical distribution in commercial spaces, motor control circuits in light industrial settings, and protection panels in HVAC and industrial equipment. It’s particularly valuable when you need fast upgrades or replacements in existing Square D installations without sacrificing protection quality.

Who benefits most from the BDA34030Y? electrical professionals and facility managers who prioritize uptime, precise protective coordination, and seamless compatibility with OEM panel infrastructure. If you’re stocking replacement parts for maintenance fleets or upgrading older panels to support higher-efficiency equipment, this 30A, 480V, 3-pole plug-in breaker is a practical, reliable choice.

Practical tips for use — ensure your panelboard is listed for plug-in breakers of this type, verify the 480V service is within your system rating, and follow standard safety procedures when servicing live panels. The plug-in design simplifies swaps during routine maintenance or panel modernization, while the thermal-magnetic trip curve helps prevent nuisance trips on stable loads and delivers fast interruption when a short occurs.

Technical snapshot

• Manufacturer: Square D
• Part Number: BDA34030Y
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Upgrade or service with confidence—choose the Square D BDA34030Y for dependable, OEM-aligned protection that keeps your electrical distribution safe and running smoothly.