Schneider Electric M9F42104 4A 1P Circuit Breaker | AmpState

Introducing the Schneider Electric M9F42104 4A 1P Circuit Breaker—a purpose-built solution designed for dependable circuit protection in everyday electrical work. Built to perform in panelboards, load centers, and distributed electrical systems, this compact 1-pole breaker keeps your installations safe without complicating retrofit projects.

Key advantages that set this breaker apart:

• 1-pole design, 4 A rating delivers targeted protection for individual circuits such as lighting and small-appliance runs, helping prevent nuisance trips and protect downstream equipment.
• Part of Schneider Electric’s trusted M9F family, ensuring compatibility with panelboards and standard spare parts for streamlined maintenance planning.
• Ideal for retrofits and maintenance when part numbers must remain consistent, reducing rewiring needs and preserving existing panel configurations.
• Robust construction for everyday use in residential, commercial, or light industrial environments, designed to withstand routine electrical work.
• Available from AmpState, with straightforward purchasing and reliable support. If you need help confirming compatibility, message us and we’ll verify the fit against your panel requirements.

Use cases and who benefits

This M9F42104 is a practical choice for electricians, facilities managers, and maintenance crews seeking a dependable 4 A, 1P breaker to stock as a spare, upgrade aging panels, or maintain legacy installations. Use it to protect circuits in panelboards and load centers where precise, consistent protection is essential, and where staying aligned with a single part number simplifies ordering and inventory management.

Specifications at a glance

• Manufacturer: Schneider Electric
• Part number: M9F42104
• Amperage: 4 A
• Poles: 1
• Applications: panelboards, load centers, electrical distribution

Still unsure about fit? Reach out via AmpState’s support channel and we’ll help confirm compatibility with your specific panel and distribution setup, ensuring you get the right part the first time.