Square D QOU2125 - 125 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOU2125 — a dependable 125A, 240V, 2-pole bolt-on molded case circuit breaker designed to safeguard your electrical system with precision. Built for panelboards and load centers, this unit delivers rugged performance, reliable protection, and seamless OEM compatibility in a compact, easy-to-install package.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that stays put through routine operation and harsh conditions.
• Thermal-magnetic trip unit provides stable, repeatable protection for both overcurrent and short-circuit events, reducing nuisance trips and safeguarding connected equipment.
• 2-pole design ensures simultaneous protection for both conductors, maintaining symmetry and safety in your electrical system.
• 125A, 240V rating makes it ideal for branch circuit protection, feeders, and as a reliable component in residential, commercial, and light industrial applications.
• OEM-compatible with matching Square D load centers and panelboards, streamlining replacement or upgrade projects without compatibility concerns.
• Molded case construction delivers durability and long-lasting performance in demanding electrical environments.

Technical snapshot

• Manufacturer: Square D
• Part Number: QOU2125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

This breaker is an excellent fit for those upgrading existing panels or designing new installations where dependable protection and reliable coordination with OEM panelboards are essential. Whether you’re wiring a home, a small business, or a light industrial space, the QOU2125 delivers the protection you need with the compatibility you want.

Ideal use scenarios

• Replacing aging or failed breakers in residential panelboards where OEM compatibility matters.
• Feeder protection in small commercial installations requiring a robust 125A, 2-pole solution.
• Load-center upgrades in environments with vibration or demanding operating conditions, where secure mounting is critical.

Choose the Square D QOU2125 for a straightforward, reliable solution that aligns with your existing Square D equipment. If you’re shopping for a trusted, OEM-compatible bolt-on circuit breaker that delivers clear protection and durable performance, this 125A, 240V, 2-pole unit from AmpState is built to meet the challenge.