<p>When it comes to selecting the right air circuit breaker (ACB) for your industrial or commercial needs, understanding the specifications and capabilities of a product is crucial. This non-automatic ACB is designed to offer robust performance and reliability, making it a suitable choice for various applications in electrical engineering.</p><p>Starting with its rated current, this ACB can handle up to 1600 A, ensuring that it can support substantial electrical loads without compromising on safety or efficiency. The rated impulse withstand voltage stands at 12 kV, providing excellent protection against transient overvoltages which are common in industrial environments.</p><p>The device&#39;s rated insulation voltage is 1000 VAC, indicating its capability to safely isolate different sections of an electrical system while maintaining operational integrity. Additionally, with a rated short time withstand current of 50 kA, this ACB can endure high fault currents for short durations without sustaining damage—an essential feature for maintaining system stability during unexpected events.</p><p>Operating at a rated voltage of 690 VAC allows this breaker to be versatile enough for many standard applications. It features a breaking capacity of 66 kA, ensuring effective interruption of fault currents and enhancing overall system protection.</p><p>Designed with three poles and housed within an E1.2 frame size, this ACB offers compactness without sacrificing functionality. Its terminal type is horizontal rear spread which simplifies installation and connection processes in switchgear assemblies.</p><p>Power loss is kept at a minimum with just 400 W under normal operation conditions—this ensures energy efficiency without overheating concerns. Compliance with IEC 309 standards further attests to its quality and adherence to international safety norms.</p><p>In summary, this non-automatic ACB combines durability with technical excellence across several key parameters: from handling significant current loads efficiently to offering superior protection through high breaking capacities and withstand voltages. Its design caters well to those needing reliable performance in demanding settings while adhering strictly to recognized standards.</p>