Square D BDA140305 30A 1-Pole 277 V Circuit Breaker

Discover reliable protection with the Square D BDA140305 30A 1-Pole 277 V Circuit Breaker. This genuine Square D part is designed to safeguard a single hot conductor on 277 V circuits, delivering dependable overcurrent protection for commercial and industrial electrical panels.

Key specifications at a glance

• Current rating: 30 A
• Poles: 1
• Voltage rating: 277 V
• Part number: BDA140305
• Brand: Square D

Why this breaker is a smart choice

• Genuine Square D engineering ensures consistent trip performance and long-term reliability in your panel.
• Single-pole design is ideal for protecting individual branches on 277 V commercial circuits, such as lighting or dedicated equipment.
• Clear compatibility with Square D panels that support BDA-series breakers, making replacements straightforward and dependable.
• Precise protection for wiring and devices, helping to prevent damage from overloads and short circuits.

Ideal use scenarios

• Replacing a worn or tripped breaker in 277 V commercial lighting circuits.
• Adding or upgrading a branch circuit in existing Square D electrical panels that accept this 1-pole configuration.
• Maintenance-ready part for facilities with frequent electrical service checks, ensuring you have authentic spares on hand.

Practical considerations and tips

• Install by a qualified electrician and ensure the panel is de-energized before replacement.
• Verify that your panel labeling corresponds to a 1-Pole, 277 V configuration before installation.
• Keep genuine Square D parts on hand for quick, reliable replacements that maintain system integrity.
• If a circuit trips frequently, inspect the connected load first and confirm wiring integrity, then consider replacing with the same 30 A rating for consistent protection.

With the Square D BDA140305 30A 1-Pole 277 V Circuit Breaker, you get precise, dependable protection for your 277 V branch circuits, backed by the assurance of a trusted Square D component. This is the right choice when you need a durable, compatible replacement part that keeps your electrical system running safely and efficiently.