Square D QJL22125 - 125 A, 2-Pole Circuit Breaker | AmpState

Square D QJL22125 is a 125 Amp, 2-pole molded-case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact form frees precious panel space while still providing robust, reliable protection wherever you need it.

• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and temperatures, reducing nuisance trips while safeguarding circuits and connected equipment.
• Compact molded-case design optimizes panel layout, allowing easier wiring and better use of available space in modern electrical panels.
• 2-pole configuration provides simultaneous disconnection of both hot conductors, enhancing safety and simplifying panel labeling and protection coordination.
• OEM compatibility specifically designed to fit with matching Square D load centers and panelboards, enabling straightforward replacements and streamlined inventory management.
• Versatile applications ideal for residential, commercial, and light industrial environments, protecting feeders and branch circuits up to 125 A.
• Part Number QJL22125; Type: Thermal-magnetic molded case circuit breaker for precise identification and dependable performance in everyday electrical systems.

Who benefits from this breaker? electricians and facility managers upgrading existing Square D panels, contractors assembling new panels for homes or small commercial spaces, and maintenance teams aiming for reliable, easy-to-service protection across diverse environments.

Why choose this over generic substitutes? The QJL22125 brings OEM-grade compatibility, a dependable thermal-magnetic trip for accurate protection characteristics, and a space-saving footprint tailored for Square D panelboards. It’s designed to be a drop-in replacement in compatible panels, reducing installation complexity and inventory fragmentation while delivering consistent protection performance.

Practical use tips:

• Verify panel compatibility with Square D OEM load centers and panelboards before installation.
• Use as a main feeder or branch-circuit protector in 2-pole configurations to ensure synchronized disconnection across both hot lines.
• Document the part number (QJL22125) and trip characteristics for future maintenance and panel audit trails.