Eaton BR355 - 55 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Eaton BR355: 55A, 240V, 3-Pole Plug-In Molded Case Circuit Breaker

Designed for dependable branch circuit protection, the Eaton BR355 delivers reliable overcurrent and short-circuit protection in panelboards and load centers. With a fast plug-in connection, a robust thermal-magnetic trip mechanism, and OEM-compatible compatibility, this 3-pole breaker is built to streamline installations and maintenance across residential, commercial, and light industrial settings.

• Fast plug-in connection for quick installation and effortless replacement, minimizing downtime during upgrades or service work.
• Thermal-magnetic trip unit provides stable, repeatable protection against overcurrent and short circuits, reducing nuisance trips and ensuring predictable performance.
• OEM-compatible design works with matching load centers and panelboards, simplifying modernization or expansion projects.
• Three-pole, 240V configuration ideal for 3-phase distribution in light commercial and industrial applications, while still suitable for multi-wire residential circuits.
• Molded case, plug-in mounting combines rugged durability with straightforward field replacement and maintenance.

Applications and Practical Use

Perfect for upgrading or refurbishing panelboards where a dependable 3-pole protection solution is required. The BR355 is well-suited for:

• Residential panels undergoing system enhancements or service upgrades where quick plug-in installs save time.
• Commercial electrical panels and light industrial equipment feeds that demand reliable 55A protection at 240V.
• New installations that require a proven, plug-in molded case circuit breaker with compatible OEM hardware.

Technical Snapshot

• Eaton
• Part Number: BR355
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 55A
• Voltage Rating: 240V
• Number of Poles: 3
• Mounting Style: Plug-in
• Applications: Branch circuit overcurrent and short-circuit protection

Why Choose the BR355

Unlike generic alternatives, the BR355 delivers a precise, repeatable protection profile thanks to its thermal-magnetic trip architecture, paired with the convenience of a plug-in connection that speeds service and upgrades. Its 3-pole, 240V configuration is purpose-built for balanced 3-phase distribution while remaining versatile enough for single-phase layouts in residential settings. When you need a dependable, OEM-compatible solution that cuts installation time and ensures consistent protection, the BR355 stands out as a practical, field-ready choice.