GE NT12 1250A 4 Pole Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities

The GE NT12 1250A 4-Pole Air Circuit Breaker is built for rigorous protection and dependable switching of low-voltage power distribution in demanding industrial and commercial environments. This heavy-duty unit is designed to safeguard main incoming feeders, switchboards, and critical electrical circuits, delivering precise control when it matters most. With an adjustable trip setting and a robust interruption capacity, it helps keep downtime to a minimum while protecting valuable equipment downstream.

Key benefits

• 1250A current rating provides ample capacity for large distribution feeds and high-demand loads.
• 4-Pole configuration ensures balanced protection across phases, simplifying coordination with upstream devices and downstream gear.
• Air Circuit Breaker technology combines reliable protection with straightforward maintenance and fast fault clearance.
• Adjustable trip settings allow precise protection coordination, enabling you to tailor the breaker's response to your specific electrical system and fault tolerances.
• High interruption capacity minimizes fault energy to connected equipment, reducing the risk of collateral damage during faults.
• Industrial-grade reliability engineered by GE for long service life in demanding environments, from manufacturing floors to large facilities.
• Versatile integration suitable for use as a main incoming feeder or within switchboards and critical power distribution schemes.

Why choose the NT12 1250A 4-Pole for your facility

Unlike smaller or single-pole devices, the NT12 1250A 4-Pole provides robust multi-phase protection with easy tuneability. Its heavy-duty construction stands up to frequent switching, while the adjustable trip settings give engineers the flexibility to coordinate with other protective devices and optimize system uptime. Whether you’re upgrading an aging feeder or designing a new power distribution layout, this breaker offers a precise balance of protection, performance, and simplicity.

Ideal use cases

• Main incoming feeders in industrial facilities and commercial campuses
• Switchboards that require dependable fault protection and controlled isolation
• Critical power distribution networks where uptime is essential
• Applications with high fault current potential that benefit from a high interruption capacity
• Replacement or upgrade projects where a proven, heavy-duty low-voltage breaker is required

Specifications at a glance

• Model / Part Number: NT12
• Current Rating: 1250A
• Poles: 4-Pole
• Breaker Type: Air Circuit Breaker

Practical considerations and tips

• Plan trip coordination with upstream protective devices to ensure selective tripping and minimized power disruption.
• Verify compatibility with your low-voltage distribution equipment, busbar dimensions, and enclosure clearances during installation.
• Schedule routine mechanical operation checks to verify spring tension, hinge movement, and reliable trip performance over time.
• Document trip settings and maintain clear change logs to support maintenance and future upgrades.