Square D | LAMO2120AC | Circuit Breaker | 2120A | 120V

Square D LAMO2120AC Circuit Breaker is a purpose‑built replacement part designed for maintenance, retrofit, and replacement projects where precise specifications matter. Identified by the exact part number LAMO2120AC, this breaker helps you quickly confirm compatibility with your Square D system and ensures reliable overcurrent protection for 120V circuits.

Key considerations for choosing this model:

• Exact compatibility matters: The part number LAMO2120AC is the most reliable reference for determining if this breaker will fit your panel or distribution equipment. Always cross‑check with your panel’s catalog or Square D compatibility charts before ordering.
• Voltage and protection: Rated for 120V circuits, this unit is designed to protect standard 120V electrical runs within residential or light commercial panels that require a replacement with the LAMO2120AC designation.
• Maintenance, retrofit, and replacement use cases: Ideal when you’re maintaining legacy installations, upgrading older panels to current protection standards, or simply replacing a failing breaker with a model that matches the original ratings.

Practical use scenarios to consider:

• Replacing a worn or tripped 120V circuit breaker in existing Square D panels that specify the LAMO2120AC reference.
• Retrofit projects where panel compatibility hinges on using the exact part number to maintain warranty and insurance requirements.
• Electrical maintenance routines that require precise matching ratings to avoid undersizing or oversizing branch circuits.

Specifications at a glance

• Amperage: 2120A
• Voltage: 120V
• Part number: LAMO2120AC

Important note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so match LAMO2120AC to your panel model or Square D catalog listing to ensure seamless replacement and uninterrupted circuit protection.