Square D QBL22125 - 125 A, 240 V, 2-Pole Circuit Breaker | AmpState

The Square D QBL22125 is a 125A, 240V, 2-pole molded-case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed to pair perfectly with matching OEM Square D load centers, it’s a trusted choice for electricians and facility managers seeking consistent protection with streamlined compatibility.

• Compact molded-case design optimizes panel space, making it easier to fit alongside other breakers in dense panels without sacrificing performance.
• Thermal-magnetic trip unit provides stable, repeatable protection, accurately responding to both overloads and short circuits to minimize nuisance trips and equipment stress.
• 125 A, 240 V, 2-pole configuration delivers robust protection for larger branch circuits and critical loads while maintaining straightforward operation and compatibility.
• OEM-compatible compatibility ensures seamless integration with matching Square D load centers and panelboards, simplifying installation and maintenance.
• Versatile application suitable for residential, commercial, and light industrial environments where reliable protection and straightforward replacement are priorities.
• Reliable protection for branch circuits guards wiring and connected equipment from overcurrent and short-circuit events, helping to prevent damage and downtime.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: QBL22125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for professionals stocking a reliable, compatible protection device for Square D panelboards and load centers, the QBL22125 helps you deliver safe, code-compliant installations with fewer compatibility concerns. Whether you’re upgrading an aging panel, wiring a new commercial space, or configuring a light industrial subpanel, this 2-pole breaker provides the right balance of protection, space efficiency, and ease of replacement.