<p>In the demanding world of industrial and commercial electrical systems, reliability and performance are paramount. The Automatic Air Circuit Breaker (ACB) you&#39;re considering is designed with these priorities in mind, offering a robust solution for managing high-power demands. </p><p>This ACB operates within a rated current range of 1600 to 4000 Amperes, making it suitable for a variety of heavy-duty applications. Its capacity to handle high currents ensures that your systems remain protected under varying load conditions. The rated impulse withstand voltage stands at an impressive 12 kV, providing substantial protection against transient overvoltages typically caused by lightning strikes or switching surges.</p><p>For insulation purposes, this ACB boasts a rated insulation voltage of 1000 VAC, ensuring safe operation across diverse environments. It also features a remarkable short-time withstand current rating of 85 kA, enabling it to endure fault conditions without compromising system integrity.</p><p>Operating at a rated voltage of up to 690 VAC makes this circuit breaker versatile enough for numerous industrial applications worldwide. Its breaking capacity is set at an outstanding 100 kA, which means it can effectively interrupt fault currents up to this magnitude without damage.</p><p>The trip unit integrated into this ACB is the Ekip Touch LSIG model. This advanced unit provides precise protection settings and user-friendly interaction through its intuitive touch interface. The LSIG functionality—covering Long time delay (L), Short time delay (S), Instantaneous (I), and Ground fault protection (G)—ensures comprehensive safety measures are in place.</p><p>Power loss during operation is kept at around 900 W—a testament to its efficiency in energy management while maintaining optimal performance levels.</p><p>Designed with four poles and featuring horizontal rear spread terminals, installation flexibility is enhanced as it can fit seamlessly into existing setups or new configurations alike.</p><p>Compliance with IEC 309 standards underscores its adherence to international safety and performance benchmarks—reassuring users about the product&#39;s reliability and quality assurance aspects.</p><p>The frame size E4.2 indicates the physical dimensions aligning with industry norms for easy integration into various panel designs or switchboards.</p><p>Overall, this Automatic ACB offers exceptional durability and adaptability required for critical infrastructure projects where power continuity cannot be compromised.</p>