Eaton QBHW2100 - 100 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Eaton QBHW2100 is a 100A, 240V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable overcurrent and short-circuit protection for panelboards and load centers. Built to integrate smoothly with matching OEM Eaton equipment, it combines rugged construction with precise protection for both residential and light commercial applications.

Key advantages

• Secure bolt-on mounting — provides a rigid, vibration-resistant bus connection that helps maintain consistent electrical contact and protection even in environments with movement or vibration.
• Thermal-magnetic trip unit — delivers stable, repeatable protection performance by responding accurately to overcurrent and short-circuit conditions across varying loads and temperatures.
• OEM-load center compatibility — engineered to work seamlessly with Eaton panelboards and load centers, ensuring reliable coordination with existing breakers and maintaining system integrity.
• 2-pole, 100A, 240V configuration — ideal for protecting two-hot-leg circuits common in 240V branch circuits found in both homes and small commercial installations.
• Bolt-on molded case construction — durable design that simplifies installation in appropriate enclosures and supports long-term serviceability.

Technical specifications

• Manufacturer: Eaton
• Part Number: QBHW2100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and deployment scenarios

• Residential panelboards requiring dependable protection for 240V load centers, such as central air conditioning, electric water heaters, and other two-pole circuits.
• Commercial panelboards and light distribution systems that benefit from a rugged, bolt-on solution with repeatable protection performance.
• Upgrading or replacing aging breakers in OEM Eaton load centers where exact fit and coordinated protection matter for electrical safety and performance.
• Installations in environments where bolt-on mounting helps maintain a solid bus connection and reduces wear from vibration over time.

Installation considerations and practical insights

Ensure the panel is compatible with bolt-on molded case breakers and that the amperage, voltage, and pole count match your circuit requirements. The QBHW2100’s bolt-on design is optimized for secure bus connections in Eaton panelboards, contributing to consistent trip performance and easier serviceability when you need to replace or upgrade protection for critical circuits.

With its combination of robust mounting, precise thermal-magnetic protection, and seamless OEM compatibility, the Eaton QBHW2100 delivers reliable, long-term circuit protection for the core of your electrical system.