Terasaki AT12 1250A 690V Air Circuit Breaker For Industrial And Commercial Power Distribution

The Terasaki AT12 1250A 690V Air Circuit Breaker is a robust, heavy-duty solution engineered to protect and control low-voltage power distribution in demanding industrial and commercial environments. Built for reliability, it seamlessly integrates with main incoming feeders and switchboards, ensuring continuous uptime across high-load facilities.

Key advantages of the Terasaki AT12

• High current capability: 1250A rating handles large, demanding feed circuits without compromising protection or performance.
• Voltage compatibility: 690VAC rating makes it suitable for serious low-to-medium voltage distribution systems commonly found in industrial and commercial settings.
• Flexible protection settings: Adjustable trip settings allow precise alignment with your network’s fault-current profile, reducing nuisance trips while safeguarding equipment.
• Reliable switching: Air circuit breaker design provides effective isolation and rapid fault interruption to protect downstream gear and feeders.
• Versatile application: Ideal for main incoming feeders, switchboards, and critical power distribution where dependable protection is essential.

Real-world use cases

• Protecting large industrial feeders feeding motors, presses, and conveyors in manufacturing plants.
• Providing secure main-branch protection within large commercial electrical rooms and data-center peripheral power structures.
• Acting as a primary protective device on switchboards where customizable tripping curves help coordinate with other protective relays.

Why choose the AT12 for your power distribution

• Tailored protection, fewer interruptions: With adjustable trip settings, you can fine-tune the breaker to your system’s unique fault levels, improving reliability and uptime.
• Rugged, industry-grade design: Built to endure the vibrations, temperature swings, and continuous duty typical of industrial facilities.
• Clear integration path: Designed to slot into existing low-voltage distribution architectures, including mainstream switchboards and incoming feeder sections, with minimal modification.

Specs at a glance

• Model/Part Number: AT12
• Current Rating: 1250A
• Voltage Rating: 690VAC
• Breaker Type: Air Circuit Breaker

When you need a dependable, high-capacity protection device for industrial or commercial power distribution, the Terasaki AT12 1250A 690V Air Circuit Breaker delivers precise protection, flexible configuration, and enduring performance that power systems depend on day after day.