<p>When it comes to industrial and commercial electrical systems, reliability and safety are paramount. The Automatic Air Circuit Breaker (ACB) detailed here is designed with these principles in mind, offering robust performance tailored to meet the demands of high-capacity installations.</p><p>This ACB operates within a rated current range of 1280-3200 A, making it suitable for various applications requiring substantial power management. It stands up to rigorous standards with its rated impulse withstand voltage of 12 kV and a rated insulation voltage of 1000 VAC, ensuring that it can handle unexpected surges without compromising system integrity.</p><p>The circuit breaker features a breaking capacity of 100 kA, which provides peace of mind when dealing with potential fault conditions. Its rated short-time withstand current is an impressive 85 kA, further underscoring its ability to maintain stability under stress.</p><p>Designed for systems operating at a maximum rated voltage of 690 VAC, this breaker includes the advanced Ekip Touch LSIG trip unit. This unit offers comprehensive protection by integrating long-time (L), short-time (S), instantaneous (I), and ground fault (G) protection functions into one efficient package. This ensures precise monitoring and rapid response to faults, enhancing both safety and reliability.</p><p>For those mindful of energy efficiency, this ACB has a power loss rating of 743 W—a critical consideration for optimizing operational costs over time. With three poles incorporated into its design, this product supports balanced load distribution across phases.</p><p>The frame size E4.2 signifies compatibility with medium-to-large scale installations while maintaining compactness where space constraints might be present. The horizontal rear spread terminal type facilitates straightforward integration into existing systems or new setups by allowing easy connection access.</p><p>Compliance with IEC 309 standards assures users that this circuit breaker meets international benchmarks for quality and safety—an essential factor when selecting components for critical infrastructure projects.</p><p>In conclusion, this Automatic ACB combines high performance with advanced protective features suited for demanding environments where dependability cannot be compromised.</p>