<p>When it comes to selecting a reliable Automatic Air Circuit Breaker (ACB) for your industrial or commercial applications, understanding the technical specifications is crucial. This particular ACB model is designed to offer robust performance and safety, making it suitable for various demanding environments.</p><p>With a rated current ranging from 1280 to 3200 A, this ACB provides flexibility in managing electrical loads efficiently. It operates at a rated voltage of 690 VAC and boasts an impressive rated insulation voltage of 1000 VAC, ensuring optimal performance under high-stress conditions.</p><p>Safety and reliability are further enhanced by its rated impulse withstand voltage of 12 kV, which helps protect against transient overvoltages. The breaker also features a substantial short time withstand current rating of 66 kA, affirming its capability to handle fault conditions effectively without compromising system integrity.</p><p>The trip unit integrated into this ACB is the Ekip Touch LSIG type. This advanced unit offers precise protection with functionalities like long-time (L), short-time (S), instantaneous (I), and ground fault (G) protection settings. Such comprehensive protection ensures that your systems are safeguarded against various types of electrical faults.</p><p>Energy efficiency is another critical factor addressed by this ACB, with a power loss specification of just 743 W. This efficiency contributes to lower operational costs while maintaining high performance standards.</p><p>Designed with practicality in mind, the breaker features four poles and utilizes horizontal rear spread terminals. This configuration aids in straightforward installation and integration into existing systems while optimizing space within switchgear assemblies.</p><p>Adhering to IEC 309 standards and approvals underscores the product&#39;s compliance with international safety and performance benchmarks. These certifications provide peace of mind that the product meets rigorous global quality requirements.</p><p>In terms of design robustness, the frame size E4.2 ensures durability and resilience in harsh operating conditions typical within industrial settings.</p><p>This Automatic ACB combines advanced technology with practical design elements to deliver dependable circuit protection solutions for modern electrical infrastructures without compromising on safety or efficiency standards.</p>