<p>For professionals in the electrical engineering and automation sectors, selecting the right Automatic Air Circuit Breaker (ACB) is crucial for ensuring safety and efficiency in power distribution systems. This particular model stands out with its robust specifications tailored to meet demanding industrial and commercial applications.</p><p>The ACB operates within a rated current range of 1280-3200 A, making it suitable for high-capacity installations. Its rated voltage of 690 VAC aligns well with standard industrial requirements, providing reliable performance across various settings. The breaker also boasts a rated insulation voltage of 1000 VAC, offering an extra layer of protection against electrical faults.</p><p>A key feature is its rated impulse withstand voltage of 12 kV, which ensures resilience against transient overvoltages typically caused by lightning strikes or switching surges. With a breaking capacity of 66 kA and a short-time withstand current rating also at 66 kA, this ACB can handle significant fault currents without compromising system integrity.</p><p>The product&#39;s trip unit, Ekip Touch LSIG, provides advanced functionality for protection and control. It facilitates precise adjustments to ensure optimal performance under different load conditions while minimizing unnecessary trips that could disrupt operations.</p><p>Designed with four poles, this ACB accommodates three-phase systems plus neutral connections seamlessly. The frame size E4.2 indicates a compact yet sturdy construction capable of supporting substantial electrical loads without occupying excessive space in switchgear assemblies.</p><p>In terms of power efficiency, the device has a power loss specification of 743 W—an important consideration for energy-conscious facilities aiming to reduce operational costs while maintaining high standards of reliability.</p><p>Installation flexibility is enhanced by the horizontal rear spread terminal type configuration, simplifying integration into existing setups or new installations where space constraints may be present.</p><p>Compliance with IEC 309 standards underscores the product’s adherence to international quality benchmarks ensuring it meets rigorous safety and performance criteria expected in professional environments.</p><p>This combination of technical features makes it an ideal choice for engineers seeking dependable solutions capable of safeguarding complex electrical infrastructures while optimizing operational efficiency.</p>