<p>When it comes to selecting the right Automatic Air Circuit Breaker (ACB) for your industrial or commercial application, understanding the technical specifications is crucial. This ACB offers a balance of robust performance and reliability, making it suitable for a range of demanding electrical environments.</p><p>At its core, this ACB boasts a rated current capacity between 1600 and 4000 amperes, providing flexibility across various applications. It operates at a rated voltage of up to 690 VAC with an impressive rated insulation voltage of 1000 VAC. These features ensure that the breaker can handle high-power circuits safely and efficiently.</p><p>The breaker is built to withstand significant electrical stress, evidenced by its rated impulse withstand voltage of 12 kV and a short-time withstand current rating of 66 kA. Its breaking capacity matches this at 66 kA, indicating its ability to interrupt fault currents effectively without compromising safety or functionality.</p><p>This model incorporates an Ekip Touch LSIG trip unit, offering advanced protection features that include overload (L), short-circuit (S), instantaneous (I), and ground fault (G) protection. The touch interface provides intuitive operation and configuration, enhancing user experience while ensuring precise control over circuit management.</p><p>Designed with practicality in mind, the ACB has four poles and utilizes a horizontal rear spread terminal type for efficient connectivity within your system architecture. The frame size is noted as E4.2, which aligns with industry standards for such devices.</p><p>In terms of energy efficiency, the power loss stands at approximately 900 watts—an important consideration when evaluating operational costs over time in large-scale installations.</p><p>Adhering to IEC 309 standards ensures compliance with international safety regulations and quality benchmarks—reassuring users about the product&#39;s reliability under rigorous conditions.</p><p>For professionals seeking an ACB that combines substantial power handling capabilities with modern protective technology in line with global standards, this product presents itself as a compelling choice for any heavy-duty application requiring dependable circuit interruption solutions.</p>