<p>When it comes to selecting the right Automatic Air Circuit Breaker (ACB) for your industrial or commercial needs, understanding the technical specifications is crucial. This ACB offers a reliable solution with its robust features and adherence to international standards.</p><p>Designed for versatility, this ACB accommodates a rated current ranging from 400 to 1000 amperes, making it suitable for medium to large-scale electrical systems. The rated impulse withstand voltage of 12 kV ensures that the circuit breaker can handle high transient voltages typically encountered in industrial environments without compromising performance.</p><p>With a rated insulation voltage of 1000 VAC and a rated operational voltage of up to 690 VAC, this ACB is engineered to work efficiently in diverse electrical setups. It provides an impressive breaking capacity of 66 kA, which means it can safely interrupt fault currents without damaging itself or connected equipment.</p><p>The trip unit integrated into this ACB is the Ekip Touch LSIG type. Known for its precision and reliability, this trip unit enhances protection by offering adjustable settings for long-time, short-time, instantaneous, and ground fault protections. Such comprehensive protection ensures system safety by preventing overloads and short circuits effectively.</p><p>Moreover, the product boasts a rated short time withstand current of 50 kA which highlights its ability to endure high fault currents over short periods without mechanical stress or thermal damage. With four poles included in its design, it caters well to three-phase systems with neutral requirements.</p><p>In terms of efficiency considerations, this ACB has a power loss rating of just 156 watts—an important factor when aiming for energy conservation within your facility. Its frame size is categorized as E1.2 indicating compatibility with various installation spaces while maintaining structural integrity.</p><p>Installation flexibility is enhanced through its horizontal rear spread terminal type allowing straightforward integration into existing switchgear layouts or new installations alike. Adhering strictly to IEC 309 standards further assures users about quality compliance across global markets ensuring peace-of-mind wherever it&#39;s deployed.</p><p>This Automatic ACB stands out not only due to its technical prowess but also because it offers dependable service life backed by rigorous testing against industry benchmarks providing assurance you need when safeguarding critical infrastructure components from electrical faults consistently over time.</p>