Eaton GBH2040 - 40 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton GBH2040 is a reliable 40A, 600V, 2-pole bolt-on molded case circuit breaker designed to protect your electrical systems where dependable overcurrent and short-circuit protection matters most. Built for panelboards and load centers, this breaker delivers a solid, maintenance-friendly solution for today’s residential, commercial, and light industrial needs.

• Secure bolt-on mounting: A rigid connection to the bus minimizes vibration-related movement and ensures consistent electrical contact, helping reduce nuisance trips in areas with heavy electrical activity.
• Thermal-magnetic trip unit: Combines magnetic short-circuit protection with thermal overload protection for stable, repeatable performance across varying loads and temperatures.
• OEM compatibility: Specifically designed to work with matching Eaton OEM load centers and panelboards, providing a seamless fit and reliable operation when upgrading or expanding existing systems.
• Versatile applications: Suitable for residential panels, commercial cabinets, and light industrial installations where a 2-pole, 40A breaker is needed to protect branch circuits and feeders.

Technical specifications

• Manufacturer: Eaton
• Part Number: GBH2040
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for setups where safety, reliability, and easy integration matter. Use the GBH2040 to:

• Upgrade or replace a faulty 2-pole breaker in residential or commercial panels with a unit that matches OEM specifications.
• Provide robust protection for feeder circuits in light industrial environments where vibration resistance and solid bus connections are important.
• Expand a panelboard or load center by adding a 40A, 2-pole solution that aligns with existing Eaton components.

Practical tips for best results:

• Ensure the panelboard or load center is compatible with bolt-on breakers of this style to maintain warranty and performance.
• Follow standard torque values when securing the mounting screws to maintain a tight, consistent bus connection.
• Use in applications where simultaneous disconnection of both hot legs is required for safety and code compliance.

With its combination of secure mounting, predictable thermal-magnetic protection, and OEM-friendly design, the Eaton GBH2040 delivers dependable, long-lasting protection for your electrical infrastructure—whether you’re stocking a contractor’s truck, outfitting a commercial panel, or upgrading a residential service.