Eaton Cutler-Hammer BRH345 45A 3P 240V Circuit Breaker, Type BR | AmpState

Meet the Eaton Cutler-Hammer BRH345, a 45A 3-pole 240V circuit breaker purpose-built for panelboards, load centers, and distributed electrical systems. This Type BR device is designed to be a precise, drop-in protection solution, making it an ideal choice for retrofit work and maintenance planning where the part number needs to stay BRH345.

Key benefits at a glance

• Direct compatibility with Eaton BR-series panelboards and distribution panels, minimizing downtime and rework during replacements.
• 45 ampere protection for three-phase circuits at 240V, delivering dependable overcurrent protection where higher-load devices are in use.
• 3-pole configuration fits standard BR-type installations, preserving existing wiring layouts and electrical topology.
• Available from AmpState, ensuring reliable access to the exact BRH345 part when you need it.
• Clear compatibility guidance available if you’re unsure about fit, helping you confirm the right part for your panel or distribution system.

Ideal use cases

• Retrofit projects in facilities where keeping the original part number simplifies scheduling, stocking, and service history.
• Maintenance replacements in BR-type panelboards and load centers to restore protective capability without extensive panel alterations.
• New installations within BR-series systems that require a robust 45A, 3-pole, 240V protection device.

This BRH345 isn’t just a component—it’s a strategic choice for reliability and continuity in electrical distribution. By selecting a direct-replacement BR device, you reduce the risk of misfit parts, shorten downtime, and maintain consistent protection across your BR-panel ecosystem. AmpState supports you with stock availability and compatibility guidance, so you can move forward with confidence.

Practical tips for installation and planning

• Ensure the panel you’re working with is a BR-series model compatible with 3-pole, 240V BRH345 breakers.
• Before replacement, de-energize the panel and verify there’s no load on the circuit to be serviced.
• Consult the panel’s installation instructions for any torque or terminal requirements to ensure a secure, code-compliant connection.
• If you’re unsure about fit, reach out to AmpState for compatibility verification to avoid unnecessary downtime.