Meet the Eaton 20/40-amp Plug-In 4-Pole Circuit Breaker, a purpose-built solution for safely protecting indoor electrical panels. Designed for Eaton’s Type BR systems, this four-pole unit combines compact dimensions with robust protection to handle mixed-load and multi-wire applications with confidence. With a 120/240V operating range and UL and CSA listings, it’s built to meet demanding code requirements while delivering dependable performance.
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Plug-In Type BR design: Fast, tool-free installation in compatible Eaton BR panels for streamlined service upgrades or panel upgrades.
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4-pole configuration: Provides full disconnection across all poles for safer maintenance in three-phase or neutral-reliant circuits.
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Voltage and current rating: Rated for 120/240V service with a 20/40 amp capability—adaptable to circuits that require higher protection without sacrificing space in the panel.
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Compact footprint: Width 1.97 inches, depth 2.89 inches, height 3 inches, engineered to fit crowded panels without crowding adjacent devices.
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Listings you can trust: UL Listed and CSA Listed, meeting rigorous electrical safety and performance standards.
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Indoor use: Built for indoor electrical panels and distribution systems where reliable protection is essential.
Use cases and practical applications
This 4-pole breaker is ideal for panels that require a four-conductor disconnect, such as multi-wire branch circuits or certain 3-phase installations in light commercial or residential settings. It’s particularly well-suited for scenarios where a neutral or additional conductor must be simultaneously isolated during service, helping to reduce risk and downtime.
What makes this Eaton BR breaker stand out
Unlike generic substitutes, this unit is purpose-built for Eaton BR panels, ensuring seamless alignment with terminal layouts and mounting geometry. Its four-pole design delivers comprehensive protection for complex load configurations, while its compact size preserves space for future expansion. With trusted UL and CSA certifications, you gain peace of mind that the protection you rely on meets established safety standards.
Installation and care tips
- Verify that your panel is compatible with BR-series plug-in breakers before installation.
- Turn off power to the panel and follow all safe-lockout procedures before replacing or adding the breaker.
- Ensure the amp rating of 20A or 40A matches the circuit’s designed load; do not exceed the conductors' rating.
- Gently seat the breaker into the bus bar until it clicks into place and tighten any mounting screws to the recommended torque per panel specifications.
- Periodically inspect for signs of wear or overheating and replace if any damage is evident.
Whether equipping a new BR-panel installation or upgrading an existing distribution system, the Eaton 20/40-amp Plug-In 4-Pole Circuit Breaker delivers safe, dependable protection in a compact, code-compliant package designed for indoor use.
