Square D MAMO1 120 V Circuit Breaker

The Square D MAMO1 120 V Circuit Breaker is a purpose-built protective device designed to safeguard electrical circuits in Square D panels. With the exact part number MAMO1 and a 120-volt rating, this breaker delivers reliable overcurrent protection for home and light commercial setups.

Why the MAMO1 120 V Circuit Breaker stands out

• Exact fit for Square D systems: The MAMO1 designation ensures you’re selecting a genuine component that aligns with your panel’s design, mounting, and electrical specifications.
• 120 V distribution protection: Specifically rated for 120-volt circuits, making it well-suited for protecting lighting, outlets, and branch circuits in residential environments.
• Efficient maintenance and replacements: As a recognized Square D part, it provides a straightforward, dependable replacement option that technicians trust for quick service
• Stock-ready part number: Having the MAMO1 on hand simplifies ordering and reduces downtime during panel maintenance or upgrades.

Ideal use cases

Use this 120 V circuit breaker to protect individual branch circuits in existing Square D panels, whether you’re performing routine maintenance, stocking a service vehicle, or planning a panel upgrade. It’s a practical choice for residential installations, small offices, or light commercial applications where 120-volt distribution is required. Always verify compatibility with your specific panel model and adhere to local electrical codes during installation.

Technical snapshot

Voltage rating: 120 V
Part number: MAMO1
Brand: Square D