<p>The Automatic Air Circuit Breaker (ACB) you&#39;re considering is a robust solution designed for industrial and commercial applications, offering reliable protection and control. With a rated current range of 500-1250 A, this ACB can handle substantial electrical loads, making it suitable for various demanding environments.</p><p>One of the standout features of this ACB is its high rated impulse withstand voltage of 12 kV. This capability ensures that the breaker can endure transient overvoltages, which are common in industrial settings due to switching operations or lightning strikes. The rated insulation voltage is 1000 VAC, providing a strong barrier against electrical faults and ensuring safety.</p><p>The breaker operates effectively at a rated voltage of 690 VAC and boasts an impressive breaking capacity of 66 kA. This means it can interrupt fault currents up to this level without damage, crucial for maintaining system integrity during unexpected short circuits or overloads.</p><p>For enhanced operational control, the breaker includes an Ekip Touch LSIG trip unit. This advanced unit allows for precise monitoring and adjustment of protection parameters such as long-time (L), short-time (S), instantaneous (I), and ground fault (G) settings. Such flexibility aids in customizing the protection scheme according to specific application needs.</p><p>With power loss at just 244 W, this ACB ensures energy efficiency while maintaining performance standards. Its design incorporates four poles, allowing it to manage three-phase systems effectively with additional neutral protection if required.</p><p>The frame size is designated as E1.2, indicating a compact yet sturdy construction that fits seamlessly into existing setups without requiring excessive space adjustments. The horizontal rear spread terminal type facilitates straightforward installation and maintenance by providing easy access for connections at the back end.</p><p>Conforming to IEC 309 standards and approvals highlights its compliance with international safety regulations and quality benchmarks—essential factors when selecting equipment for critical infrastructure projects.</p><p>In summary, this Automatic ACB offers a comprehensive suite of features tailored to meet rigorous demands while ensuring reliability and safety across various applications in Australia’s technical landscape.</p>