Air circuit breaker

The Terasaki AT20 Tempower Air Circuit Breaker is a robust electrical protection device manufactured by Terasaki Electric Co., Ltd. Designed for heavy-duty applications, it features three poles and can handle a rated operational voltage of up to 690 Vac at frequencies of 50/60 Hz. With a rated current of 2000 A, it conforms to the IEC947-2 standard and is classified under utilization category B, ensuring reliable operation under various conditions.

The breaker is equipped to withstand short-time currents, with capabilities of 50 kA for 1 second and 45 kA for 3 seconds, making it suitable for high-demand environments. It includes additional features like over-current trip protection and auxiliary switches to facilitate control and monitoring functionalities. Manufactured in Japan, this breaker is built to endure ambient temperatures of up to 45°C and is specified with a weight of 88.5 kg, ensuring durability and reliability in demanding electrical distribution systems.