<p>In the realm of industrial and commercial electrical systems, choosing the right Automatic Air Circuit Breaker (ACB) is crucial for ensuring safety and efficiency. This particular ACB offers a robust solution with its impressive range of specifications tailored to meet demanding applications.</p><p>With a rated current spanning from 1600 to 4000 A, this ACB is designed to handle substantial electrical loads, making it suitable for large-scale operations. It operates at a rated voltage of 690 VAC and boasts a rated insulation voltage of 1000 VAC, providing reliable performance in high-voltage environments. Its ability to withstand impulse voltages up to 12 kV further underscores its resilience against transient over-voltages.</p><p>The breaker’s frame size is E4.2, offering an optimal balance between compact design and functionality. Designed with three poles, it ensures comprehensive protection across all phases of your electrical system. The horizontal rear spread terminal type facilitates straightforward installation and integration into existing setups.</p><p>Safety and reliability are paramount in circuit breakers, and this model does not disappoint with its breaking capacity set at an impressive 66 kA. This feature provides assurance that the breaker can effectively interrupt fault currents without compromising system integrity.</p><p>The trip unit employed in this ACB is the Ekip Touch LSIG, which stands for Long-time, Short-time, Instantaneous, and Ground fault protection settings. This advanced trip unit allows precise customization of protection parameters according to specific operational requirements.</p><p>Efficiency is also a hallmark of this product as it maintains power loss at just 900 W despite its powerful capabilities—a testament to its energy-efficient design that minimizes waste while maximizing performance.</p><p>Conformance with IEC 309 standards assures users that this ACB meets stringent international quality benchmarks for safety and performance—an essential consideration for compliance in various regions including Australia.</p><p>In summary, whether you&#39;re upgrading infrastructure or setting up new installations in industrial or commercial settings, this Automatic ACB offers dependable operation backed by rigorous standards compliance. Its combination of high-rated currents and voltages along with customizable protection features makes it an ideal choice for professionals seeking robust solutions without compromise on quality or efficiency.</p>