<p>When it comes to selecting an automatic air circuit breaker (ACB) for your industrial or commercial needs, understanding the technical specifications is crucial. This Automatic ACB, with its robust design and reliable performance, is a solid choice for those requiring dependable circuit protection.</p><p>At the heart of this ACB&#39;s functionality is its Rated Current capacity, which ranges from 1280 to 3200 Amperes. This versatility ensures that it can handle varying loads effectively within this range. The device also boasts a Rated Impulse Withstand Voltage of 12 kV and a Rated Insulation Voltage of 1000 VAC, providing strong resistance against voltage spikes and ensuring safety in high-voltage environments.</p><p>The ACB is designed to operate optimally at a Rated Voltage of 690 VAC. It features a Breaking Capacity of 66 kA, making it suitable for interrupting significant fault currents without compromising on safety or performance. Furthermore, the Rated Short Time Withstand Current matches the breaking capacity at 66 kA, underscoring its durability under short-circuit conditions.</p><p>Equipped with an Ekip Touch LSIG trip unit, this breaker offers advanced protection functionalities including Long-time (L), Short-time (S), Instantaneous (I), and Ground fault (G) protections. Such comprehensive protection mechanisms are essential for safeguarding equipment and personnel from electrical faults.</p><p>The frame size of E4.2 indicates a compact yet sturdy construction that supports various installation configurations. Its Terminal Type is Horizontal Rear Spread, facilitating easy integration into existing systems with minimal modifications required.</p><p>With power loss rated at 743 W during operation, efficiency remains balanced between energy consumption and protective capabilities—an important factor when considering operational costs over time.</p><p>Complying with IEC 309 standards ensures that this ACB meets international benchmarks for quality and safety—a critical consideration in any technical procurement process involving electrical components.</p><p>In summary, whether you’re upgrading an existing system or planning new installations in industrial settings where reliability cannot be compromised—this Automatic ACB provides the necessary specifications to meet demanding requirements efficiently while maintaining adherence to international standards.</p>