<p>When it comes to selecting an Automatic Air Circuit Breaker (ACB) for your industrial or commercial operations, understanding the technical specifications is crucial. The ACB in question offers a robust solution with a rated current range from 1280 A to 3200 A, making it suitable for various demanding applications. Its design ensures reliable operation within these parameters, providing peace of mind in high-demand environments.</p><p>This ACB boasts a rated impulse withstand voltage of 12 kV and a rated insulation voltage of 1000 VAC, ensuring safety and reliability under transient overvoltage conditions. The device operates efficiently at a rated voltage of 690 VAC, which aligns well with common industrial power systems.</p><p>With its Ekip Touch LSIG trip unit, this breaker provides advanced protection features including overload (L), short-circuit (S), instantaneous (I), and ground fault protection (G). This comprehensive protection suite is essential for maintaining system integrity and preventing damage to equipment.</p><p>The breaking capacity stands at an impressive 66 kA, allowing the circuit breaker to handle substantial fault currents without compromising performance. Additionally, the rated short-time withstand current matches this value at 66 kA, indicating its capability to sustain such currents briefly during faults without tripping unnecessarily.</p><p>Designed with four poles and housed in a frame size of E4.2, this product caters well to three-phase systems while offering flexibility for additional neutral or protective earth connections if needed. The horizontal rear spread terminal type facilitates straightforward installation and integration into existing panel setups.</p><p>In terms of efficiency considerations, the power loss is noted at 743 W; it&#39;s important to account for this in your energy management planning as it contributes to overall system heat generation.</p><p>Conforming to IEC standards—specifically IEC 309—this automatic ACB adheres to international benchmarks for safety and performance. Such compliance underscores its suitability for global applications where adherence to rigorous standards is non-negotiable.</p><p>For those tasked with ensuring operational continuity and electrical safety in their facilities, this automatic air circuit breaker presents itself as a dependable choice grounded firmly in technical excellence.</p>