Schneider Electric MG17446 15A 2-Pole 277 V Circuit Breaker

Schneider Electric MG17446 15A 2-Pole 277 V Circuit Breaker delivers dependable overcurrent protection for commercial electrical panels where safety and reliability are non‑negotiable. Designed for 277 V installations, it provides precise, fast interruption to keep circuits—and the equipment they power—protected from faults.

Key features at a glance:

• Current rating: 15 A
• Poles: 2
• Voltage rating: 277 V
• Part number: MG17446
• Manufacturer: Schneider Electric

Why this two‑pole breaker matters in 277 V systems

In commercial environments, 277 V lighting and small power circuits demand robust protection. The two-pole design ensures both hot conductors are disconnected simultaneously during a fault, reducing the risk of arc flash and delivering safer, more reliable shutdown of the entire circuit. This makes it an excellent choice for panel upgrades, new installations, or replacing aging breakers in panels that support Schneider Electric’s MG series devices.

Ideal use cases

• 277 V lighting circuits in offices, retail spaces, schools, and healthcare facilities
• General-purpose circuits in commercial buildings that require predictable, coordinated protection
• Repairs or upgrades within Schneider Electric panel systems to maintain consistent protection across circuits

Practical advantages

• Coordinated disconnection of both conductors for enhanced safety and device protection
• Clear alignment with Schneider Electric panels and installation practices for a seamless fit
• Simple, straightforward replacement where 277 V, 2-pole protection is specified

Installation and safety notes

As with any electrical work, ensure power is fully de‑energized before replacement or installation. Verify that your panel accepts the MG17446 model and that the 277 V, 15 A specifications match your circuit requirements. For best results, rely on a licensed electrician to perform installation and confirm proper torque, labeling, and panel compatibility.