<p>When selecting an Automatic Air Circuit Breaker (ACB) for your industrial or commercial needs, understanding the technical specifications is crucial. This product, with its robust design and reliable performance, fits seamlessly into a variety of applications requiring dependable circuit protection.</p><p>**Rated Current and Voltage Specifications** </p><p>This ACB accommodates a range of rated currents from 400 to 1000 A, making it versatile enough for various electrical systems. It operates efficiently at a rated voltage of up to 690 VAC, ensuring compatibility with standard power distributions.</p><p>**Durability and Safety Features** </p><p>The ACB boasts a rated impulse withstand voltage of 12 kV and a rated insulation voltage of 1000 VAC. These features provide excellent protection against overvoltages and ensure the device&#39;s longevity under typical operational stresses.</p><p>**Performance Under Stressful Conditions** </p><p>In high-stress scenarios where short circuits may occur, this ACB offers a rated short time withstand current of 50 kA. Additionally, its breaking capacity stands at an impressive 66 kA. Such capabilities are essential for maintaining system integrity by effectively interrupting fault currents.</p><p>**Advanced Trip Unit Technology** </p><p>Equipped with the Ekip Touch LSIG trip unit, this breaker provides advanced protection functions including long-time, short-time, instantaneous, and ground fault protection. The intuitive touch interface enhances user interaction while allowing precise adjustments tailored to specific application requirements.</p><p>**Energy Efficiency Considerations** </p><p>With a power loss rating of just 156 W, this ACB is designed to minimize energy wastage while maintaining optimal performance levels—an important consideration in energy-sensitive environments.</p><p>**Physical Design Attributes** </p><p>Featuring four poles within an E1.2 frame size and horizontal rear spread terminals, installation flexibility is ensured across different setups without compromising on space efficiency or connection reliability.</p><p>By adhering to IEC 309 standards and approvals, this product guarantees compliance with international safety protocols—a testament to its quality engineering suitable for demanding Australian markets.</p>