Terasaki AT25 2500A 690 VAC Three Pole Air Circuit Breaker for Industrial and Commercial Power Distribution

The Terasaki AT25 2500A 690VAC Three-Pole Air Circuit Breaker is a rugged, industrial-grade solution built to protect and control low-voltage power distribution in demanding environments. With a robust 2500A current rating and a 690VAC operating voltage, this 3-pole breaker is engineered to handle high-demand, three-phase feeders with confidence, while delivering reliable switching and fault interruption when it matters most.

Key capabilities that keep your power dependable

• High-capacity protection: 2500A current rating paired with 690VAC ensures strong, fast fault clearance for demanding commercial and industrial power schemes.
• Three-pole design for 3-phase systems: Simplifies protection across all three phases, reducing imbalance risk and aligning with standard industrial power layouts.
• Air circuit breaker technology: Durable, proven performance for consistent interruption and long-term reliability in installation environments prone to electrical transients.
• Adjustable trip settings: Allows technicians to tailor protection to your facility’s needs, enabling appropriate coordination with upstream devices and reducing unnecessary outages.
• Designed for critical feeders: Ideal for main incoming feeders, switchboards, and essential distribution paths where dependable protection is essential.

Where this breaker shines in real-world applications

• Protecting main incoming power feeders in large switchboards and distribution rooms within industrial plants.
• Serving as a reliable protection device in commercial power distribution systems that require rapid fault clearing and clear trip coordination.
• Providing a robust backbone for critical loads where uninterrupted operation and safety are non-negotiable.

Why the AT25 stands out

• Designed for reliability: Terasaki’s engineering delivers dependable fault interruption and steady operation under heavy load conditions.
• Explicit suitability for demanding environments: Built to protect complex low-voltage distribution networks in industrial and commercial facilities.
• Clear configurability: Adjustable trip settings empower you to fine-tune protection strategy without compromising system uptime.

Specifications at a glance

• Model/Part Number: AT25
• Current rating: 2500A
• Voltage rating: 690VAC
• Poles: 3-Pole
• Breaker type: Air Circuit Breaker

Choose the Terasaki AT25 when you need a capable, high-capacity protection device that integrates seamlessly into industrial and commercial power distribution schemes, delivering dependable protection for critical loads and peace of mind for your facilities team.