<p>When selecting an Automatic Air Circuit Breaker (ACB) for industrial or commercial applications, understanding the technical specifications is crucial. This particular ACB model offers a robust solution with its impressive range of features tailored to meet demanding electrical requirements.</p><p>With a rated current capacity between 640 and 1600 A, this ACB is suitable for various applications, providing flexibility in managing different load conditions. Its rated impulse withstand voltage stands at 12 kV, ensuring resilience against transient overvoltages commonly encountered in industrial environments.</p><p>Designed to handle high voltages, it boasts a rated insulation voltage of 1000 VAC and can operate effectively at a rated voltage of up to 690 VAC. These capabilities make it ideal for integration into complex electrical systems where reliability is paramount.</p><p>Safety and durability are further enhanced by its ability to withstand short-time currents up to 50 kA. This feature ensures that the circuit breaker can endure significant fault conditions without compromising performance. Complementing this is a breaking capacity of 66 kA, which provides assurance that the device will safely interrupt fault currents before they escalate into more severe issues.</p><p>The trip unit incorporated within this ACB is the Ekip Touch LSIG type. Known for precision and reliability, this trip unit facilitates advanced protection functions including Long time (L), Short time (S), Instantaneous (I), and Ground fault (G) protection settings. Such features are essential in maintaining system integrity while reducing downtime due to faults.</p><p>Power efficiency is also considered with this model having a power loss rating of only 400 W, optimizing energy use without sacrificing operational effectiveness. The frame size E1.2 indicates compatibility with various installation setups while maintaining structural integrity under operational stresses.</p><p>This ACB comes equipped with three poles and utilizes horizontal rear spread terminals for connectivity—an important consideration when planning system layouts or retrofitting existing installations.</p><p>Compliance with IEC standards such as IEC 309 underscores its adherence to international safety and performance benchmarks, providing peace of mind regarding regulatory compliance across diverse regions including Australia.</p><p>Overall, these specifications highlight an Automatic ACB designed not just for functionality but also adaptability across multiple scenarios within industrial settings—making it an asset in any electrical distribution network requiring dependable circuit protection solutions.</p>