Terasaki AR332S 3200A Air Circuit Breaker for Low Voltage Power Distribution in Industrial and Commercial Facilities

Terasaki AR332S 3200A Air Circuit Breaker — robust protection for low-voltage power distribution

The Terasaki AR332S 3200A Air Circuit Breaker is a heavy-duty solution engineered to deliver reliable protection and precise switching for low-voltage power distribution in industrial and commercial facilities. With a 3200A current rating, it stands ready to shield main incoming feeders, switchboards, and critical distribution paths from faults while supporting smooth, uninterrupted operation of your essential loads.

Why the AR332S stands out

• High interruption capacity — built to safely interrupt large fault currents, helping minimize equipment damage and downtime in demanding environments.
• Adjustable trip settings — tailor protection curves to your specific system, enabling selective coordination and easier maintenance scheduling.
• Reliable protection for low-voltage systems — designed specifically for power distribution networks in industrial and commercial facilities, ensuring dependable performance where it matters most.
• Heavy-duty air circuit breaker design — emphasizes quick, clean isolation of faults and robust operation under demanding load conditions.
• Ideal for critical power paths — perfect for main incoming feeders and switchboards where uninterrupted access to power is essential.

Use cases and installation scenarios

When your facility relies on a stable electrical backbone, the AR332S excels in:

• Protecting main incoming feeders that feed large switchgear assemblies and distribution panels
• Upgrading or retrofitting commercial or industrial switchboards to improve protection coordination
• Providing adjustable, dependable fault protection for critical loads, reducing the risk of cascading outages

Practical benefits you’ll notice

By combining a high-current capability with configurable protection, the AR332S helps you:

• Limit arc energy and equipment damage during faults
• Optimize protection coordination across your distribution network
• Minimize unplanned downtime and extend the life of downstream gear
• Maintain safer, more controllable switching operations in busy industrial environments

How it compares to broader solutions

Compared with lower-capacity, non-adjustable breakers, the AR332S provides a scalable protection strategy. Its 3200A rating paired with adjustable trip settings enables you to configure precise coordination with upstream devices, supporting safer, more efficient power distribution in larger facilities.

Engineered for reliability and designed to integrate with existing low-voltage systems, the Terasaki AR332S 3200A Air Circuit Breaker is a strategic choice for facilities where protecting critical power paths and maintaining uptime are non-negotiable.