Terasaki AT16 3 Pole Air Circuit Breaker for Low Voltage Power Distribution Systems

Meet the Terasaki AT16 3-Pole Air Circuit Breaker—the rugged, dependable backbone for safeguarding low-voltage power distribution in demanding industrial and commercial environments. Built to protect critical feeders and switchboards, the AT16 combines solid durability with precise control, delivering reliable interruption and switching when it matters most.

Key Benefits at a Glance

• Three-Pole Protection: Ideal for three-phase low-voltage systems, ensuring balanced interruption across all phases.
• Air Circuit Breaker Technology: Robust arc interruption in an industrial air-insulated design, engineered for dependable performance in challenging settings.
• Adjustable Trip Settings: Tailor protection to your network, enabling coordinated tripping and enhanced equipment protection.
• High Interruption Capacity: Suitable for demanding power distribution where rapid, reliable fault clearance is essential.
• Versatile Deployment: An excellent choice for main incoming feeders, switchboards, and critical distribution paths in facilities.

Why This Model Fits Your System

The AT16 is purpose-built for low-voltage power distribution systems that require meticulous protection without sacrificing uptime. Its 3-pole configuration ensures synchronized operation across all phases, reducing the risk of asymmetric faults. The adjustable trip mechanism empowers engineers to fine-tune sensitivity, promoting selective tripping and minimizing unnecessary outages while still delivering swift fault clearance when faults occur.

Ideal Use Cases

• Main incoming feeders feeding large switchboards in factories or distribution centers.
• Critical power paths in hospitals, data centers, or lab facilities where uninterrupted service is essential.
• Industrial plants with variable loads that demand precise coordination between protective devices.
• retrofit or upgrade projects where reliable, adjustable overcurrent protection is needed.

Practical Installation & Operation Tips

• Coordinate the AT16’s adjustable trip settings with upstream and downstream protection to achieve selective tripping and faster fault isolation.
• Verify proper mounting and alignment in compliant switchboards to ensure consistent electrical contact and reliable operation.
• During commissioning, document trip settings and perform a controlled trip test to confirm correct behavior under fault conditions.
• Schedule periodic inspections of the breaker mechanism and terminal connections to maintain performance over time.

What You Gain with Terasaki AT16

With the AT16, you’re investing in a dependable protection solution that prioritizes system reliability, precise protection coordination, and adaptable trip settings. It’s a practical, purpose-driven choice for professionals who design, install, and maintain low-voltage power distribution where every amp counts and uptime is non-negotiable.