Square D QDL22125 - 125 A, 240 V, 2-Pole Circuit Breaker | AmpState

Meet the Square D QDL22125—a 125A, 240V, 2-pole molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for consistent performance, this unit helps keep electrical systems safe and compliant in everyday residential, commercial, and light industrial environments.

Why this breaker stands out

• Compact molded-case design frees up valuable panel space, making it easier to organize feeders and circuits without sacrificing protection.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding quickly to short circuits and preventing nuisance trips from normal surges or minor fluctuations.
• OEM-compatible engineered to pair with matching Square D load centers and panelboards, ensuring a reliable fit and straightforward installation.
• Versatile for multiple sectors ideal for residential panels, commercial distribution, and light industrial installations that require solid, field-proven overcurrent protection.

Technical snapshot

• Manufacturer: Square D
• Part Number: QDL22125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125A
• Voltage Rating: 240V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Practical applications and scenarios

Use this 125A, 240V two-pole breaker to protect main feeders or individual branch circuits within Square D panelboards and load centers. It’s well-suited for upgrading aging panels, configuring new electrical distributions for appliances and equipment, or replacing a failing breaker to restore reliable protection in any space that relies on safe 240V operation.

Who should consider the QDL22125

Electrical professionals, facility managers, and discerning homeowners who demand precise protection without sacrificing panel real estate will appreciate this breaker’s balance of space efficiency, dependable trip performance, and OEM compatibility. If your project calls for a Square D solution that integrates cleanly with existing panel infrastructure, the QDL22125 is a solid, trustworthy choice.

Tips for optimal use

• Confirm panel compatibility by matching the breaker type and part number with your Square D load center or panelboard to ensure seamless operation.
• Install or replace breakers by a qualified electrician, following manufacturer guidelines and local electrical codes.
• Use this 125A, 240V breaker for circuits demanding robust protection while preserving space for future panel expansion.

Choose the Square D QDL22125 for reliable, space-conscious protection that aligns with your Square D panel ecosystem and keeps your electrical system performing safely and efficiently.