<p>In the world of industrial and commercial electrical systems, reliability and safety are paramount. The Automatic Air Circuit Breaker (ACB) with a frame size of E4.2 is engineered to meet these high standards, making it an essential component for professionals seeking dependable performance.</p><p>This ACB supports a rated current range from 1280 to 3200 A, offering flexibility for various applications. Its robust design ensures that it can handle demanding environments while maintaining optimal functionality. With a rated impulse withstand voltage of 12 kV and insulation voltage of 1000 VAC, this breaker is built to protect your system against transient overvoltages and ensure long-term operational integrity.</p><p>A key feature is its breaking capacity of 100 kA, which allows it to safely interrupt fault currents without compromising the system&#39;s stability. This makes it suitable for installations where high fault levels are anticipated. The breaker also boasts a rated short-time withstand current of 85 kA, providing additional assurance against potential overload conditions.</p><p>Equipped with the advanced Ekip Touch LSIG trip unit, this ACB offers precise protection settings tailored to your specific requirements. The LSIG functionalities—Long time, Short time, Instantaneous, and Ground fault—are designed to safeguard equipment by promptly responding to abnormal conditions.</p><p>The product&#39;s power loss stands at 743 W—a critical consideration for energy efficiency in large-scale operations. Moreover, its horizontal rear spread terminal type facilitates straightforward installation and maintenance in confined spaces or complex setups.</p><p>Compliance with IEC 309 standards underscores its adherence to international safety and performance criteria—an important factor for those looking to integrate this breaker into globally recognized systems.</p><p>In summary, this Automatic ACB is a reliable choice for engineers who prioritize durability and precision in their electrical infrastructure designs. Whether you&#39;re upgrading existing systems or planning new installations, this circuit breaker provides the technical specifications needed for modern industrial applications without compromising on quality or safety.</p>