Eaton BR380ST - 80 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Shield your electrical system with the Eaton BR380ST—an 80A, 240V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection speeds installation and replacements, while the thermal-magnetic trip unit provides stable, repeatable protection that responds quickly to faults.

Key advantages

• Fast plug-in installation: Efficient mounting and effortless replacement in compatible panelboards, reducing downtime during service or upgrades.
• Thermal-magnetic trip unit: Combines thermal (overload) and magnetic (short-circuit) mechanisms to deliver reliable protection and minimize nuisance trips.
• OEM panel compatibility: Engineered to pair with matching Eaton OEM load centers and panelboards for a precise fit and consistent labeling.
• Versatile for multiple environments: Suitable for residential, commercial, and light industrial applications where robust 3-pole protection is required.

Technical specifications

• Manufacturer: Eaton
• Part number: BR380ST
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 80 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Protect 3-phase feeders and branch circuits in commercial panelboards or light industrial load centers operating at 240V.
• Replace aging or worn breakers in compatible Eaton panels to restore reliable protection with minimal downtime.
• Install in new or existing residential upgrades where a compact, durable 3-pole solution is needed for balanced phase protection.

Installation and compatibility

The BR380ST’s plug-in design offers a compact footprint and straightforward wiring for quick service. For reliable operation, pair it with matching Eaton load centers and OEM panelboards, follow local electrical codes, and have a qualified electrician perform the installation. When replacing a breaker, verify panel compatibility, ensure correct amperage and pole configuration, and label the circuit clearly for safe, ongoing operation.

Why the Eaton BR380ST stands out

Unlike generic alternatives, this molded case circuit breaker is purpose-built for Eaton panel systems, ensuring seamless integration, accurate trip characteristics, and consistent performance across installations. The 3-pole configuration delivers balanced protection across all conductors in 3-phase setups, helping safeguard equipment from faults and reducing the risk of uneven loading. With the BR380ST, you gain dependable protection, quicker maintenance, and peace of mind in both new builds and panel upgrades.