<p>When selecting a motor-operated air circuit breaker (ACB) for industrial or commercial applications, understanding the technical specifications is crucial. This particular ACB offers a robust solution with its rated current ranging from 1600 to 4000 A, making it suitable for medium to large-scale operations. </p><p>The device boasts a rated impulse withstand voltage of 12 kV and an insulation voltage of up to 1000 VAC, ensuring high reliability and safety in demanding environments. With a rated short-time withstand current of 66 kA and a breaking capacity of the same value, this ACB is designed to handle significant electrical stresses without compromising performance.</p><p>Operating at a voltage rating of 690 VAC, this circuit breaker integrates seamlessly into various electrical systems. The inclusion of the Ekip Touch LSIG trip unit provides advanced protection features such as long-time, short-time, instantaneous, and ground fault protection—essential for maintaining system integrity and preventing damage.</p><p>The power loss associated with this model is approximately 900 W. While efficiency is always key in any electrical installation, these figures are within acceptable limits for devices handling such high currents.</p><p>This ACB comes with three poles and utilizes horizontal rear spread terminals which facilitate straightforward integration into existing setups while maintaining optimal space utilization within switchgear assemblies.</p><p>Conforming to IEC 309 standards ensures that this product meets international benchmarks for quality and safety—a critical consideration when selecting components for mission-critical applications.</p><p>With its frame size categorized under E4.2, you can expect compatibility with standard enclosures and mounting systems used in contemporary installations. This feature simplifies planning during both retrofits and new projects alike.</p><p>In summary, this motor-operated ACB combines robust construction with advanced protective features suited for modern industrial needs. Its compliance with international standards further underscores its reliability as part of your electrical infrastructure strategy—ensuring operational continuity even under challenging conditions.</p>