<p>For professionals in the electrical engineering and automation sectors, selecting the right Air Circuit Breaker (ACB) is crucial for ensuring system reliability and safety. The Motor Operated ACB with a frame size of E4.2 stands out as a robust choice for industrial and commercial applications, offering a comprehensive range of features tailored to meet demanding technical requirements.</p><p>This ACB is designed to handle rated currents from 1280 to 3200 A, making it versatile for various load conditions. It operates efficiently at a rated voltage of 690 VAC, ensuring compatibility with standard industrial power systems. With a rated insulation voltage of 1000 VAC and an impressive rated impulse withstand voltage of 12 kV, this breaker provides excellent protection against overvoltage scenarios that can occur due to switching operations or lightning strikes.</p><p>Safety and performance are further enhanced by its breaking capacity of 66 kA, which ensures reliable interruption capability under fault conditions. This aligns well with its rated short time withstand current also at 66 kA, providing assurance during short circuit events.</p><p>The trip unit integrated into this ACB is the Ekip Touch LSIG model, known for its advanced protection functionalities including Long-time (L), Short-time (S), Instantaneous (I), and Ground Fault (G) protections. This allows for precise coordination with downstream devices while minimizing unnecessary interruptions.</p><p>Another important aspect is the horizontal rear spread terminal type which facilitates easy installation in switchgear assemblies where space constraints might be present. The design considerations extend to power loss management as well; this breaker has a power loss value of 743 W which reflects its efficiency in operation.</p><p>Compliance with IEC standards such as IEC 309 ensures that this product meets international safety and performance benchmarks, making it suitable for use across different regions without compromising on quality or reliability.</p><p>In summary, whether you&#39;re upgrading existing infrastructure or designing new installations, this Motor Operated ACB offers dependable functionality backed by rigorous standards compliance. Its technical specifications cater perfectly to high-demand environments where durability and precision are paramount.</p>