Eaton BR350ST - 50 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Eaton BR350ST is a rugged 50A, 240V, 3-pole plug-in molded case circuit breaker engineered to deliver reliable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection simplifies installations and replacements, reducing downtime during panel upgrades or routine maintenance.

• Fast plug-in connection — streamlined installation and quick replacement to minimize service disruption.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by responding to both overloads and short circuits for dependable performance.
• 3-pole, 50A, 240V — ideal for three-phase circuits common in commercial and light industrial settings, while also supporting versatile residential configurations where required.
• OEM-compatible design — engineered to pair with matching OEM load centers and panelboards for a cohesive protection system with no adapters needed.
• Versatile protection — purpose-built for residential, commercial, and light industrial applications needing solid branch-circuit protection and straightforward maintenance.

Technical snapshot

• Manufacturer: Eaton
• Part number: BR350ST
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases include upgrading aging panels in small commercial spaces, protecting critical three-phase loads in light industrial environments, and replacing worn-out plug-in breakers in OEM panels to keep electrical systems operating smoothly. Choose the BR350ST when you need a dependable, plug-in solution that aligns with your existing panelboard ecosystem and delivers predictable protection where it matters most.