<p>When it comes to selecting an Automatic Air Circuit Breaker (ACB) for industrial or commercial applications, understanding the technical specifications is key to ensuring optimal performance and reliability. This ACB model offers a comprehensive set of features designed to meet rigorous demands.</p><p>The product is engineered with a rated current range of 640-1600 A, providing flexibility to suit various power distribution needs. It operates at a rated voltage of 690 VAC, making it suitable for high-voltage applications common in industrial settings. The ACB also boasts a robust rated insulation voltage of 1000 VAC, ensuring safety and reliability under demanding conditions.</p><p>One standout feature is its rated impulse withstand voltage of 12 kV, which enhances its ability to handle transient overvoltages without compromising performance. Additionally, the breaker has a notable breaking capacity of 66 kA and can withstand short-time currents up to 50 kA, demonstrating its resilience in fault conditions.</p><p>The trip unit incorporated into this ACB is the Ekip Touch LSIG type. This advanced trip unit provides comprehensive protection functions including long-time (L), short-time (S), instantaneous (I), and ground fault (G) protection, offering precise control over electrical distribution systems.</p><p>With four poles and horizontal rear spread terminals, installation flexibility is enhanced—ideal for complex setups where space might be constrained or specific configurations are required. The frame size E1.2 indicates a compact design that doesn&#39;t compromise on capability or durability.</p><p>Power loss stands at 400 W; while this metric may vary depending on application specifics such as load conditions and environmental factors, it&#39;s important for energy efficiency considerations within your system&#39;s overall power management strategy.</p><p>Compliance with IEC 309 standards ensures that this breaker meets international benchmarks for quality and safety—a critical factor when considering equipment for integration into larger systems or projects requiring adherence to global standards.</p><p>In summary, this Automatic ACB combines robust electrical ratings with advanced protective features housed in a compact footprint—making it an ideal choice for engineers seeking reliable circuit protection solutions capable of handling substantial loads while maintaining operational integrity across diverse environments.</p>