Schneider Electric M9U21101 - 1A, 1-Pole, Circuit Breaker

The Schneider Electric M9U21101 is a precise, 1A, 1-Pole circuit breaker engineered to deliver dependable overcurrent protection where it matters most. With its compact 1-pole design, this unit fits smoothly into panelboards, switchboards, and control panels, enabling clean, modular protection for dense electrical architectures.

Key specifications

• Current rating: 1 A
• Poles: 1-Pole
• Breaker type: Circuit Breaker

What sets it apart

Designed for industrial, commercial, and OEM environments, the M9U21101 provides dependable overcurrent protection while supporting safe operation in distribution panels and motor control centers. Its 1 A protection level is ideal for safeguarding small or sensitive circuits—such as control logic, instrumentation, and signaling lines—without unnecessary interruptions to the broader system. This precision makes it a reliable cornerstone in environments where uptime and safety are critical.

Ideal use scenarios

• Industrial panelboards and switchboards requiring accurate, low-current protection
• Control panels in manufacturing lines and automation equipment
• OEM equipment assemblies that need compact, reliable 1-pole protection
• Distribution panels in commercial facilities demanding consistent, predictable protection

Practical benefits

• Space-efficient design—a slim 1-pole form factor that simplifies panel layout and wiring.
• Reliable protection—reduces the risk of damage from overcurrent events while supporting safe operation in critical control environments.
• Versatile deployment—suitable for panelboards, switchboards, and control panels, enabling flexible protection strategies within complex electrical systems.

Choose the M9U21101 when you need precise, low-current protection integrated into industrial, commercial, or OEM electrical assemblies. Its 1 A, 1-pole configuration delivers targeted protection for essential circuits, helping you maintain performance, safety, and uptime across distribution panels and motor control centers.