<p>When considering an Automatic Air Circuit Breaker (ACB) for your industrial or commercial needs, the model at hand offers a robust solution with its impressive technical specifications. Designed to cater to demanding electrical systems, this ACB is engineered for reliability and efficiency.</p><p>The rated current range of 1280-3200 A ensures that it can handle substantial loads, making it suitable for various applications in large-scale operations. With a rated voltage of 690 VAC and a rated insulation voltage of 1000 VAC, this breaker is equipped to manage high-voltage environments safely.</p><p>Safety and performance are further reinforced by the breaker&#39;s ability to withstand high impulse voltages up to 12 kV. This feature is crucial in protecting electrical systems from transient overvoltage conditions that may occur due to lightning strikes or switching surges.</p><p>In terms of durability under fault conditions, the ACB boasts a rated short time withstand current and breaking capacity of 66 kA. This capability allows it to effectively interrupt fault currents without compromising system integrity, ensuring continued operation even in challenging scenarios.</p><p>The Ekip Touch LSIG trip unit provides advanced protection features including Long-time, Short-time, Instantaneous, and Ground fault protection settings. This flexibility allows users to tailor the breaker&#39;s response characteristics according to specific installation requirements.</p><p>For those concerned about energy loss within their systems, it&#39;s worth noting that this ACB has a power loss rating of 743 W. While energy efficiency might be secondary in some applications compared to safety and reliability, understanding power loss helps in managing overall system efficiency.</p><p>With four poles available, this breaker can provide comprehensive protection across multiple phases. The frame size E4.2 indicates its physical dimensions align with industry standards for easy integration into existing setups or new installations.</p><p>The terminal type is designed as Horizontal Rear Spread which facilitates straightforward connection configurations while maintaining secure electrical contact points essential for reliable operation over time.</p><p>Conforming with IEC 309 standards assures users that this product meets international benchmarks for safety and performance—an important consideration when selecting equipment meant for critical infrastructure tasks.</p><p>Overall, if you require an automatic ACB capable of handling high currents with dependable interruption capabilities while offering customizable protection features through its sophisticated trip unit—this model stands out as a solid choice within its category.</p>