The Terasaki TemPower2 AR316H 3-Pole Air Circuit Breaker is engineered to protect electrical systems exposed to extremely high short-circuit levels. Featuring a rated frame current of 1600A with an adjustable current setting range of 640A to 1600A, this ACB is ideal for main incomers, generator protection, and transformer feeders in heavy-duty power distribution networks.
With an extra high AC breaking capacity of 100kA at 440VAC, the AR316H delivers superior fault-clearing performance, ensuring equipment protection and uninterrupted system operation. Its LSIG electronic protection unit provides comprehensive coverage against overload, short-time, instantaneous, and ground faults.
Designed with a fixed mounting configuration and fully compliant with IEC 60947-2, the Terasaki AR316H offers Ics = 100% of Icu and Icw = 100% of Icu, guaranteeing full selectivity and excellent short-time withstand capability. Built-in trip memory and Terasaki’s proven engineering ensure long service life and dependable performance in mission-critical environments.