<p>When selecting a motor-operated air circuit breaker (ACB) for industrial or commercial applications, understanding the technical specifications is crucial to ensure it meets your requirements. This ACB offers robust performance and reliability with key features that make it suitable for demanding environments.</p><p>The rated current range of 640-1600 A provides flexibility in application, allowing it to handle varying loads efficiently. With a rated impulse withstand voltage of 12 kV, this breaker can endure high-voltage spikes, offering protection against transient overvoltages often encountered in industrial settings.</p><p>Furthermore, the rated insulation voltage stands at 1000 VAC, ensuring safe operation under normal conditions. The device&#39;s ability to handle a short-time withstand current of up to 50 kA highlights its robustness in managing fault conditions without compromising safety or performance.</p><p>Operating at a rated voltage of 690 VAC, this ACB is well-suited for use in standard industrial power systems. Its breaking capacity of 66 kA ensures reliable interruption of fault currents, minimizing downtime and potential damage to equipment.</p><p>The Ekip Touch LSIG trip unit integrated into this model adds an advanced layer of protection with long-time (L), short-time (S), instantaneous (I), and ground fault (G) functions. This comprehensive protection suite helps prevent damage due to overloads or faults while maintaining system stability.</p><p>With four poles available, the breaker supports balanced three-phase load distribution with an additional neutral pole if needed. The frame size E1.2 indicates a compact design that facilitates easy integration into existing setups without requiring extensive modifications.</p><p>Designed with horizontal rear spread terminals, installation is straightforward and efficient. This configuration aids in optimizing space within electrical panels while maintaining clearances necessary for safe operation and maintenance.</p><p>Compliance with IEC 309 standards assures users that this product adheres to international safety and performance benchmarks, providing peace of mind regarding quality and reliability.</p><p>Power loss is another important consideration; at 400 W, the energy efficiency aligns well with operational demands while contributing minimally to overall heat generation within switchgear assemblies.</p><p>In summary, this motor-operated ACB combines durability with advanced protective features suited for various industrial applications. It delivers on key parameters like current handling capability and safety standards compliance—making it an excellent choice for professionals seeking reliability and efficiency in their power distribution systems.</p>