<p>The Automatic Air Circuit Breaker (ACB) you&#39;re considering is a robust solution designed for industrial and commercial applications, offering reliability and efficiency. With a rated current range of 1280-3200 A, this ACB is well-suited to handle substantial electrical loads, making it ideal for facilities with significant power demands.</p><p>One of the standout features of this ACB is its high rated impulse withstand voltage of 12 kV. This ensures excellent performance in environments prone to voltage spikes or surges, safeguarding your equipment from potential damage. Additionally, it boasts a rated insulation voltage of 1000 VAC, providing an extra layer of safety by preventing unwanted electrical flow between conductive parts.</p><p>For those concerned about short-term overloads or faults, the ACB has a formidable rated short time withstand current capacity of 85 kA. This capability allows it to manage high fault currents without compromising its integrity or functionality. The breaker operates at a standard rated voltage of 690 VAC, aligning with common industry requirements.</p><p>Equipped with the Ekip Touch LSIG trip unit, this circuit breaker offers advanced protection features including long-time (L), short-time (S), instantaneous (I), and ground fault (G) protections. This comprehensive protection suite ensures that your systems are safeguarded against various types of electrical faults.</p><p>Power loss is another critical consideration in selecting an ACB, and this model maintains efficiency with a power loss rating of just 743 W. Its design includes four poles and utilizes horizontal rear spread terminals for easy integration into existing systems.</p><p>Compliance with IEC 309 standards underscores its quality and adherence to international safety protocols—a crucial factor for technical buyers seeking assurance on product reliability and regulatory compliance. The breaking capacity stands at an impressive 100 kA, ensuring effective interruption even under severe fault conditions.</p><p>Designed within the E4.2 frame size category, this automatic circuit breaker offers versatility in installation while maintaining structural integrity across diverse operational environments.</p><p>This blend of specifications makes it an appealing choice for professionals seeking dependable circuit protection solutions capable of handling demanding electrical infrastructures effectively.</p>