<p>In the industrial and commercial sectors, choosing the right Automatic Circuit Breaker (ACB) is crucial for ensuring electrical system safety and efficiency. This particular ACB offers a robust solution with its range of features tailored to meet demanding electrical requirements.</p><p>Designed for high performance, this ACB supports a rated current ranging from 1280 to 3200 Amperes, making it suitable for a variety of applications that demand flexibility and reliability. Its rated impulse withstand voltage stands at 12 kV, providing excellent protection against transient overvoltages typically caused by lightning strikes or switching operations.</p><p>The breaker operates with a rated insulation voltage of 1000 VAC and a rated operational voltage of up to 690 VAC, which ensures compatibility with standard industrial power systems. With a breaking capacity and short-time withstand current both rated at 66 kA, this unit is engineered to handle substantial fault conditions without compromising system integrity.</p><p>Equipped with an Ekip Touch LSIG trip unit, users benefit from advanced protection functions including Long-time (L), Short-time (S), Instantaneous (I), and Ground fault (G) protections. This intelligent trip unit enhances operational safety by enabling precise adjustments tailored to specific application needs.</p><p>With four poles included in its design, this circuit breaker provides comprehensive coverage across all phases plus neutral connections. Its horizontal rear spread terminal type facilitates straightforward installation in various configurations while maintaining secure connections.</p><p>Adhering to IEC 309 standards ensures that this ACB meets international benchmarks for quality and safety—an essential consideration when integrating into new or existing systems.</p><p>Despite its powerful capabilities, the device maintains energy efficiency with a power loss rating of just 743 Watts. The frame size E4.2 indicates a compact yet sturdy construction capable of enduring tough environmental conditions often found in industrial settings.</p><p>This automatic circuit breaker represents an optimal balance between functionality and compliance—ideal for professionals seeking reliable performance under challenging circumstances without unnecessary complexity or cost overheads.</p>