<p>In the demanding world of industrial and commercial electrical systems, selecting the right automatic air circuit breaker (ACB) is crucial. The E4.2 frame size ACB offers a robust solution for applications requiring reliability and precision. Designed to handle rated currents from 1280 to 3200 A, it ensures steadfast performance across a wide range of operational scenarios.</p><p>This ACB is engineered with a rated impulse withstand voltage of 12 kV and an insulation voltage of 1000 VAC, providing excellent protection against overvoltages and ensuring safety in high-demand environments. Additionally, its rated short-time withstand current stands at an impressive 85 kA, making it well-suited for systems where high fault currents are expected.</p><p>The device operates efficiently within a rated voltage of up to 690 VAC, offering versatility for various power distribution networks. Its breaking capacity is set at a substantial 100 kA, highlighting its capability to interrupt significant fault currents swiftly and safely.</p><p>One standout feature is the Ekip Touch LSIG trip unit integrated into this ACB. This advanced trip unit provides comprehensive protection functions including long-time (L), short-time (S), instantaneous (I), and ground fault (G) protection settings. These features ensure that your system remains safeguarded against diverse electrical faults while maintaining operational continuity.</p><p>The design incorporates three poles with horizontal rear spread terminals, facilitating easy integration into existing setups or new installations without compromising on space efficiency or connection integrity. Moreover, with power loss limited to just 743 W during operation, this ACB contributes to energy efficiency within your infrastructure.</p><p>Compliance with IEC 309 standards assures users of the product&#39;s adherence to international quality and safety benchmarks—an essential consideration for those operating in regulated environments where compliance cannot be compromised.</p><p>Overall, this automatic air circuit breaker combines durability with advanced protective features suited for modern electrical systems in industrial contexts. Whether you’re upgrading an existing setup or planning a new installation project, this ACB provides dependable performance aligned with industry standards without unnecessary complexity or cost overheads.</p>