<p>When it comes to ensuring the safety and efficiency of electrical systems in industrial and commercial settings, selecting the right components is crucial. The Automatic Air Circuit Breaker (ACB) presented here offers a robust solution for those needing reliable circuit protection within a rated current range of 400-1000 A.</p><p>Designed to handle demanding environments, this ACB boasts a rated impulse withstand voltage of 12 kV and an insulation voltage of 1000 VAC. These specifications ensure that the breaker can effectively manage high-voltage conditions without compromising on performance or safety. With a rated short time withstand current of 50 kA, this device is built to endure significant electrical stress over short periods, making it suitable for dynamic applications.</p><p>Operating at a rated voltage of 690 VAC, this ACB integrates seamlessly into various power systems while maintaining optimal functionality. Its breaking capacity stands at an impressive 66 kA, providing assurance that it can interrupt fault currents swiftly and efficiently.</p><p>Central to its operation is the Ekip Touch LSIG trip unit. This advanced trip unit offers comprehensive protection with adjustable settings for overload (L), short-circuit (S), instantaneous (I), and ground-fault (G) scenarios. Such versatility ensures tailored protection strategies that align with specific system requirements.</p><p>Power loss is another critical factor in evaluating circuit breakers, and this product reports a power loss of just 156 W. This low figure indicates efficient energy use during operation, contributing positively to overall system efficiency.</p><p>The device features three poles and utilizes horizontal rear spread terminals, facilitating straightforward integration into existing setups while minimizing installation complexity. Moreover, its frame size E1.2 provides compact yet sturdy housing suitable for various application spaces.</p><p>Adhering strictly to IEC 309 standards underscores its commitment to quality and reliability in line with international benchmarks—a vital consideration for professionals seeking dependable equipment compliant with global norms.</p><p>In summary, this Automatic ACB delivers on multiple fronts—offering robust protection capabilities alongside efficient design principles suited for modern electrical infrastructures across industrial landscapes.</p>