<p>When selecting an Automatic Air Circuit Breaker (ACB) for industrial or commercial applications, it&#39;s crucial to consider a product that balances robust performance with dependable safety features. This mid-cycle ACB model is designed to meet demanding electrical distribution requirements while ensuring operational reliability.</p><p>With a rated current range between 400-1000 A, this ACB provides flexibility across various applications, accommodating different load demands effortlessly. Its rated impulse withstand voltage of 12 kV and insulation voltage of 1000 VAC offer excellent protection against overvoltage conditions, safeguarding your systems from potential electrical surges.</p><p>The circuit breaker&#39;s rated short-time withstand current stands at an impressive 50 kA, ensuring it can handle significant fault currents without compromising its structural integrity. Additionally, the breaking capacity of 66 kA further underscores its capability to interrupt high fault currents efficiently, minimizing downtime and enhancing system resilience.</p><p>Operating at a rated voltage of up to 690 VAC, this ACB is well-suited for typical industrial power systems. The inclusion of the Ekip Touch LSIG trip unit allows for precise monitoring and control over the breaker’s operations. This advanced trip unit provides comprehensive protection through Long time (L), Short time (S), Instantaneous (I), and Ground fault (G) settings—ensuring that any anomalies are swiftly detected and addressed.</p><p>In terms of physical attributes, the frame size E1.2 indicates a compact yet sturdy design that fits seamlessly into existing setups without requiring extensive modifications. The horizontal rear spread terminal type facilitates straightforward installation and maintenance processes by allowing easy access during wiring or servicing activities.</p><p>Power efficiency is also considered with a power loss rating of just 156 W—demonstrating energy-conscious operation which can contribute positively to overall system efficiency in larger installations.</p><p>Compliant with IEC 309 standards, this ACB meets international benchmarks for safety and performance—a testament to its quality assurance in diverse environments including those found in Australia’s rigorous industrial landscape.</p><p>This blend of technical specifications ensures that users receive not only reliable circuit protection but also peace of mind knowing their equipment adheres to stringent industry norms. Such features make it an invaluable asset for professionals seeking durable solutions tailored specifically towards high-demand electrical infrastructures.</p>