<p>When selecting an Automatic Air Circuit Breaker (ACB) for your industrial or commercial setup, it&#39;s essential to focus on the technical specifications that ensure reliable and efficient operation. This particular ACB fits well within mid-range requirements, offering robust performance across several critical parameters.</p><p>The ACB is designed with a rated current range of 400-1000 A, making it suitable for various applications that demand flexibility in current handling. It ensures substantial protection and operational efficiency with its breaking capacity of 66 kA. This capability is crucial in preventing damage during fault conditions by interrupting excessive current flow swiftly.</p><p>For environments where voltage fluctuations are common, this ACB provides a rated impulse withstand voltage of 12 kV and a rated insulation voltage of 1000 VAC. These specifications underscore its resilience against high-voltage transients and its ability to maintain operational integrity under challenging conditions.</p><p>Rated at a voltage of 690 VAC, this circuit breaker aligns with standard industrial power systems, ensuring compatibility and ease of integration into existing setups. The trip unit incorporated into this model is the advanced Ekip Touch LSIG type, providing precise control over long-time delay (L), short-time delay (S), instantaneous (I), and ground fault protection (G). Such comprehensive protection features are vital in safeguarding electrical systems from diverse faults.</p><p>With a frame size categorized as E1.2, it offers compactness without compromising on performance or safety standards. The horizontal rear spread terminal type facilitates straightforward installation and maintenance procedures, enhancing overall usability.</p><p>This product adheres to IEC 309 standards and approvals, reflecting its compliance with international quality benchmarks for safety and performance reliability—a critical consideration for any professional assessing equipment suitability.</p><p>Power loss stands at 156 W—an important factor when considering energy efficiency alongside operational effectiveness. With four poles integrated into the design, it supports three-phase power systems while also accommodating neutral conductors if required.</p><p>In summary, this Automatic ACB strikes a balance between versatility and robustness—it’s engineered to meet demanding electrical distribution needs while maintaining compliance with stringent industry standards.</p>