GE NT12H 1200A 3 Pole Air Circuit Breaker For Low Voltage Power Distribution Systems

Engineered for reliability in low-voltage power distribution, the GE NT12H 1200A 3-Pole Air Circuit Breaker is a heavy-duty solution for protecting and switching essential circuits in industrial and commercial facilities. This 3-Pole air-type breaker delivers robust fault protection with flexible coordination options, making it ideal for high-demand distribution networks.

• Current rating: 1200 A
• Poles: 3-Pole design for three-phase power
• Breaker type: Air Circuit Breaker (ACB) for fast, reliable interruption
• Trip settings: Adjustable trip settings to match protection schemes and coordination with upstream protective devices
• Application: Suited for main incoming feeders, switchboards, and critical power distribution where fast fault isolation is essential
• Interruption capacity: High interruption capability to safely clear faults and minimize downstream damage

Why choose the NT12H? Its combination of sturdy mechanical design and configurable protection makes it a practical choice for facilities planning and upgrade projects. The 3-Pole arrangement ensures synchronized interruption across all phases, reducing fault-era imbalances and enhancing electrical safety in distributed networks. The adjustable trip settings empower engineers to tailor protection coordination, improving reliability while preventing nuisance trips.

Ideal use cases

• Main incoming feeders at service entrances and large distribution panels
• Switchboards in manufacturing lines or commercial campuses
• Critical power distribution circuits where dependable, tunable protection is required

Who benefits most from the GE NT12H? Electrical engineers, facilities managers, and procurement teams aiming to upgrade or expand low-voltage distribution with a dependable, tunable protection device that integrates smoothly into existing protection schemes.

Practical tips to maximize value

• Set the adjustable trip parameters to align with your system’s short-circuit current and upstream protection to minimize nuisance trips without compromising safety.
• Ensure proper enclosure clearance and ventilation to maintain cooling performance and easy maintenance access.
• Coordinate with protective relays and downstream devices to optimize selective tripping and rapid fault isolation.

Invest in the GE NT12H 1200A 3-Pole Air Circuit Breaker to strengthen fault protection, streamline maintenance, and safeguard critical loads across your low-voltage power distribution system.