M M55629/3-309 - 2-Pole, Circuit Breaker

Meet the M M55629/3-309 — a robust 2-Pole circuit breaker engineered for reliability in demanding electrical systems. This device delivers dependable overcurrent protection with straightforward integration into standard panelboards, switchboards, and control panels.

With its 2-Pole configuration, it provides simultaneous interruption of both conductors, enhancing safety and fault management in distribution panels and motor control centers. Built for industrial, commercial, and OEM environments, it keeps essential loads protected under varying operating conditions.

Key advantages

• 2-Pole design for comprehensive protection across multi-wire circuits and safer shutdown of equipment.
• Dedicated circuit breaker type ensures clear, reliable overcurrent protection and easy replacement in existing setups.
• Versatile mounting and integration suits panelboards, switchboards, and control panels in new builds or retrofits.
• Industry-ready for distribution panels and MCCs — supports continuous operation in demanding environments.
• Suitable for industrial, commercial, and OEM applications where dependable protection and safe operation are critical.

Ideal use scenarios

• Distribution panels that require reliable overcurrent protection for feeders and branch circuits
• Motor control centers where coordinated protection and safe motor starting are important
• Panelboards and control panels in commercial facilities and industrial equipment enclosures

Why this matters

Choosing a purpose-built 2-pole circuit breaker like the M M55629/3-309 helps reduce risk from overcurrents and minimizes downtime. Its design supports predictable behavior under fault conditions, which translates to faster fault isolation and safer maintenance.

Specifications

• Poles: 2-Pole
• Breaker type: Circuit Breaker