Eaton BRN120EP - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

The Eaton BRN120EP is a compact 20A, 120V, 1-pole plug-in molded case circuit breaker built to safeguard branch circuits in panelboards and load centers. Designed for fast, reliable protection, it helps maintain power reliability in homes, small businesses, and light industrial settings.

Why this breaker stands out

• Fast plug-in connection enables quick installation and effortless replacement, reducing downtime during panel upgrades or service calls.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload protection with magnetic short-circuit tripping, ensuring rapid response to faults while resisting nuisance trips from normal temperature variation.
• OEM-compatible design is specifically engineered to fit matching Eaton load centers and panelboards, providing a guaranteed fit and consistent trip characteristics in your existing electrical system.
• Versatile for multiple environments ideal for residential, commercial, and light industrial applications where dependable 20-amp protection on 120V circuits is required.

Technical snapshot

• Manufacturer: Eaton
• Part Number: BRN120EP
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential panels upgrading or replacing aging breakers on 120V branch circuits
• Small commercial load centers protecting lighting, receptacle circuits, and small equipment rooms
• Retrofits and panelboard refurbishments where quick plug-in replacements minimize downtime

Practical reasons to choose the BRN120EP

With its plug-in design and dependable thermal-magnetic protection, the BRN120EP makes service, maintenance, and panel expansions more efficient. Its 1-pole configuration is well-suited for single-circuit protection, while the molded case construction provides durable insulation and robust operation in typical indoor environments. If you’re standardizing protection across Eaton panelboards, this breaker ensures consistent performance and straightforward integration—helping you keep electrical systems safer and easier to manage.