Eaton QB2030EP - 30 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton QB2030EP is a 30 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for durability and reliability, this breaker is a smart choice for residential, commercial, and light industrial applications that demand steady protection and rugged mounting.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of loose connections in environments with movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance. The thermal element handles sustained overloads, while the magnetic element responds instantly to short circuits, helping minimize damage to downstream equipment.
• OEM-compatible design is engineered to be used with matching Eaton loadcenters and panelboards, ensuring a clean fit, reliable operation, and streamlined retrofits.
• Versatile protection for diverse settings—an ideal choice for homes, small offices, workshops, and light industrial spaces where dependable 2-pole, 30 A protection is required.
• Clear, practical specs—2-pole, 30 A, 240 V, bolt-on molded case circuit breaker ready to shield branch circuits from overcurrent events.

Why this matters: in panel installations where vibration, movement, or retrofit work is common, the QB2030EP’s bolt-on design minimizes connection issues and ensures a solid electrical path. The thermal-magnetic trip unit provides predictable protection behavior, reducing nuisance trips while still offering fast response to dangerous faults. With OEM compatibility, you can upgrade or replace breakers with confidence, knowing the QB2030EP will integrate smoothly with your Eaton loadcenter or panelboard.

Use cases and scenarios:

• Upgrading a residential main or subpanel to improve branch circuit protection for workshop tools, HVAC, or lighting circuits.
• Retrofit installations in commercial spaces where a robust, vibration-resistant connection is essential for reliable protection.
• Light industrial applications requiring a dependable 2-pole, 30 A protection device in a compact, bolt-on form factor.

Practical tips for installation and use:

• Ensure the consumer panel is the correct Eaton loadcenter or panelboard compatible with QB-series breakers to maintain proper fit and protection performance.
• Secure the bolt-on mounting as specified by Eaton to preserve a tight, vibration-resistant connection and consistent trip behavior.
• Regularly verify that the connected loads do not routinely approach the 30 A rating, which can cause nuisance trips—balance circuits to maintain safety without overloading conductors.
• When replacing an older breaker, confirm that the new QB2030EP matches the original panel’s required trip characteristics and electrical specifications for safe operation.

Technical snapshot

• Manufacturer: Eaton
• Part Number: QB2030EP
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

For professionals and informed homeowners alike, the Eaton QB2030EP offers a dependable, easy-to-install solution that pairs robust mechanical mounting with precise electrical protection—delivering peace of mind across residential, commercial, and light industrial environments.