<p>When selecting an Automatic Air Circuit Breaker (ACB) for industrial or commercial applications, the focus is on reliability, performance, and adherence to standards. This particular ACB offers a robust solution with its impressive range of technical specifications.</p><p>The rated current spans from 1600 to 4000 A, providing flexibility for various load requirements while ensuring efficient protection and control within electrical systems. It supports a rated voltage of up to 690 VAC and boasts a rated insulation voltage of 1000 VAC, making it suitable for high-demand environments where safety and performance are paramount.</p><p>With a rated impulse withstand voltage of 12 kV, this ACB ensures resilience against transient over-voltages often encountered in industrial settings. The breaking capacity stands at a solid 66 kA, which aligns perfectly with the demands for handling high fault currents without compromising system integrity.</p><p>The Ekip Touch LSIG trip unit is integrated into this model, offering advanced protection features such as long-time (L), short-time (S), instantaneous (I), and ground fault (G) protections. This comprehensive protection suite ensures that your electrical systems are safeguarded against various types of faults efficiently.</p><p>This ACB&#39;s frame size is classified as E4.2, providing ample space for secure installation while maintaining compatibility with existing setups. The terminal type features horizontal rear spread connections that facilitate straightforward integration into existing panels or switchgear configurations.</p><p>Equipped with four poles, this circuit breaker caters to three-phase systems plus neutral connections seamlessly. Its power loss rating is measured at 900 W—an important consideration when evaluating energy efficiency in large-scale installations.</p><p>Adhering to IEC 309 standards underscores its commitment to international quality benchmarks ensuring reliability and safety compliance across diverse operational contexts. These standards are crucial when implementing equipment in environments requiring stringent regulatory adherence.</p><p>In summary, this Automatic ACB combines advanced functionality with reliable performance metrics necessary for modern industrial applications—making it an ideal choice for professionals seeking dependable circuit protection solutions tailored towards high-capacity operations without compromise on safety or efficiency.</p>