Square D QOB2125VH - 125 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOB2125VH — a 125 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to protect branch circuits with precision and reliability. Built for panelboards and load centers, this breaker delivers dependable overcurrent and short-circuit protection while maintaining a clean, integrated industrial look.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays seated even in busy electrical environments.
• Thermal-magnetic trip unit offers stable, repeatable protection across steady overcurrents and sudden short-circuit events, helping prevent nuisance trips and equipment damage.
• OEM-ready compatibility works seamlessly with matching Square D OEM load centers and panelboards for coordinated protection and reliable performance.
• 2-pole, 240 V configuration protects both conductors of 240 V circuits and supports multiwire branch circuits that require common-trip protection.
• 125 A rating is well-suited for feeders to subpanels, as well as residential, commercial, and light industrial distribution applications.

Why this matters

This molded case breaker is engineered to deliver predictable Trip Curves and robust protection, reducing the risk of electrical faults cascading through your panel. The bolt-on design minimizes loosening from vibration, ensuring long-term reliability in demanding installations—from compact residential panels to compact commercial load centers.

Ideal use cases

Use the Square D QOB2125VH to upgrade or replace existing protection in:

• Residential subpanels and service panels within homes
• Commercial lighting, receptacle, and small equipment circuits
• Light industrial distribution panels and feeders

Specifications at a glance

• Manufacturer: Square D
• Part number: QOB2125VH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 125 A
• Voltage: 240 V
• Number of poles: 2
• Mounting style: Bolt-on
• Applications: Branch circuit overcurrent and short-circuit protection

For a dependable protection solution that fits neatly into compatible Square D panelboards and load centers, the QOB2125VH delivers consistent performance, installer-friendly mounting, and clear, predictable protection characteristics you can trust across residential, commercial, and light industrial projects.