Eaton CH390 - 90 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Eaton CH390 is a robust 90A, 240V, 3-pole plug-in molded-case circuit breaker designed to protect branch circuits in panelboards and loadcenters. Built for dependable overcurrent and short-circuit protection, it’s a reliable choice for both new installations and upgrades.

Fast plug-in connection means quicker installations and easier replacements, minimizing downtime during maintenance or service calls.

• Thermal-magnetic trip unit: Delivers stable, repeatable protection by addressing both overloads (thermal) and short circuits (magnetic), reducing nuisance trips and protecting connected equipment.
• OEM-compatible plug-in design: Engineered to work with matching Eaton OEM load centers and panelboards for seamless integration and dependable electrical performance.
• Versatile across environments: Ideal for residential, commercial, and light industrial applications where reliable protection and easy serviceability matter.

Key specifications

• Amperage rating: 90 A
• Voltage rating: 240 V
• Poles: 3
• Mounting style: Plug-in
• Type: Thermal-magnetic molded-case circuit breaker
• Manufacturer: Eaton
• Part number: CH390
• Application: Branch circuit overcurrent and short-circuit protection

Use cases include safeguarding a 240V HVAC feed, distributing power to lighting and receptacle circuits in small commercial spaces, or serving as a dependable protection device in a light industrial panel where quick swap-in replacements are valuable.

Why choose the Eaton CH390? Its combination of rapid plug-in installation, proven thermal-magnetic protection, and compatibility with Eaton panelboards ensures a durable, maintainable solution for ongoing electrical safety. When you need reliable 90 A, 240 V protection in a 3-pole plug-in design, the CH390 delivers consistent performance.

Available here in AmpState, the Eaton CH390 brings precise protection and straightforward service to your electrical panels with a purpose-built design you can trust.