Terasaki AR216H-R 1600A 3-Pole Air Circuit Breaker for Industrial and Commercial Power Distribution

Engineered for demanding low-voltage power systems, the Terasaki AR216H-R 1600A 3-Pole Air Circuit Breaker brings dependable protection and precise switching to industrial and commercial facilities. This heavy-duty device is purpose-built for main incoming feeders and switchboards, delivering reliable fault interruption and streamlined integration into complex distribution schemes.

Key benefits and differentiators

• Three-pole design ensures balanced, three-phase protection across all live legs, simplifying panel wiring and coordination with downstream devices.
• 1600A current rating supports high-capacity feeders, making it suitable for large facilities and critical power distribution ahead of essential equipment.
• Air circuit breaker technology combines rugged durability with straightforward operation, offering dependable performance in industrial environments and easier maintenance compared to some alternatives.
• Adjustable trip settings enable tailored protection—you can set thresholds to match your equipment’s fault currents and achieve precise selectivity within your protection scheme.
• High interruption capacity by design provides rapid fault clearance, helping minimize arc energy exposure and reduce potential damage to downstream gear.
• Versatile application ideal for main incoming feeders, switchboards, and critical power distribution where reliability and controllable protection are essential.

What problems it solves

When electrical faults occur, the AR216H-R is built to respond quickly and cleanly, limiting equipment damage and downtime. Its adjustable trip capability allows you to coordinate with upstream and downstream protection devices, reducing nuisance trips while maintaining robust safety margins. In busy industrial or commercial environments, this translates to more predictable power availability and longer service life for critical loads.

Ideal use scenarios

• Main incoming feeders feeding large switchboards in manufacturing plants
• Critical power distribution centers where reliable fault interruption is required
• Industrial facilities with diverse load profiles that need customized protection settings

Technical overview

• Model / Part Number: AR216H-R
• Current Rating: 1600A
• Poles: 3-Pole
• Breaker Type: Air Circuit Breaker

Practical installation and maintenance notes

Designed for integration into standard low-voltage distribution schemes, the AR216H-R fits typical panel configurations used for main distribution feeds. Ensure proper coordination with upstream protection and verify wiring, torque settings, and clearances per your facility’s electrical practices. Regular inspection of mechanical operations and trip adjustments helps sustain reliable performance over time.