<p>The Automatic Air Circuit Breaker (ACB) you&#39;re considering is a robust solution tailored for industrial and commercial applications. With its Rated Current of 1250 A, this ACB is well-suited to handle substantial electrical loads, making it an ideal choice for facilities with demanding power requirements.</p><p>Operating at a Rated Voltage of 1000 VAC, this breaker ensures reliable performance in high-voltage environments. Its design accommodates a wide range of applications, providing the flexibility needed in diverse electrical setups.</p><p>This model features a 3-pole configuration, which is standard for many industrial systems. The three poles allow for efficient management of three-phase power systems, ensuring stability and safety across all connected equipment.</p><p>The Frame Size E2N/E indicates its physical dimensions and capabilities within the broader product line. This size offers a balance between compactness and capacity, allowing it to fit seamlessly into existing panels or new installations without compromising on performance.</p><p>For connections, the Horizontal Rear Spread Terminal Type provides ease of installation and maintenance. This setup facilitates straightforward access during wiring tasks or when adjustments are necessary, minimizing downtime and enhancing operational efficiency.</p><p>A key feature of this ACB is its Trip Curve: PR121/P LSI. The LSI (Long-time Short-time Instantaneous) protection characteristic ensures that your system remains safeguarded against various fault conditions such as overloads or short circuits. This advanced trip curve technology enhances selectivity and coordination with other protective devices downstream in your system.</p><p>In summary, this Automatic ACB combines high-rated specifications with practical features designed to meet the rigorous demands of modern electrical infrastructures. Whether upgrading existing systems or planning new installations, this circuit breaker offers reliability and adaptability essential for maintaining uninterrupted operations in critical environments.</p>