Eaton BR420 - 20 A, 240 V, 4-Pole Plug-In Circuit Breaker | AmpState

The Eaton BR420 is a 20A, 240V, 4-pole plug-in molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Designed for installations where speed matters, this unit delivers fast plug-in connections for quick setup and swift replacements, keeping projects on track and downtime to a minimum.

Why the BR420 stands out

With a thermal-magnetic trip unit, the BR420 provides stable, repeatable protection that responds accurately to both overloads and short circuits. This means fewer nuisance trips and more reliable performance across diverse loads. Its plug-in mounting style is purpose-built for compatibility with matching OEM loadcenters and panelboards, ensuring a cohesive, safe fit in your electrical distribution system.

Key benefits at a glance

• Rapid, plug-in installation — reduces setup time and simplifies maintenance or replacements in service panels and distribution boards.
• Thermal-magnetic protection — delivers precise, predictable trip behavior for ongoing circuit safety.
• OEM-compatible fit — designed to work with matching Eaton and other OEM loadcenters and panelboards for worry-free integration.
• Versatile applications — suitable for residential, commercial, and light industrial environments where reliable 4-pole 240V protection is needed.

Technical profile

• Manufacturer: Eaton
• Part Number: BR420
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating:
240V
• Poles: 4
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the BR420?

Ideal for electricians and facility managers upgrading or expanding distribution systems in homes, small to mid-size commercial spaces, and light industrial setups. If you need a dependable 4-pole breaker that can be quickly installed or replaced without sacrificing protection quality, the BR420 is a robust choice.

Practical use cases

• Replacing a worn or failed 4-pole breaker in a residential subpanel or commercial loadcenter
• Adding a new 4-pole protection stage to a dedicated 240V circuit in a workshop or light industrial area
• Performing routine panel maintenance where fast, clean plug-in connections minimize downtime

Choose the Eaton BR420 for a precise balance of fast installation, reliable thermal-magnetic protection, and OEM-compatible integration that supports safer, more efficient electrical distribution across a range of settings.