<p>For professionals in the electrical engineering and automation sectors, selecting the right Air Circuit Breaker (ACB) is crucial for ensuring safety and efficiency. This non-automatic ACB offers a robust solution with its impressive specifications tailored to meet demanding industrial and commercial applications.</p><p>With a rated current of 2500 A, this ACB is well-suited for high-capacity operations. It operates effectively within a rated voltage of 690 VAC, making it versatile for various installations. The device also boasts a rated insulation voltage of 1000 VAC, providing an additional layer of safety by preventing unwanted electrical discharge.</p><p>One of the standout features is its rated impulse withstand voltage at 12 kV, which ensures resilience against transient overvoltages typically caused by lightning strikes or switching surges. In addition to this protection, the ACB has a formidable breaking capacity and short-time withstand current rating of 66 kA. These attributes make it highly reliable in interrupting fault currents without compromising system integrity.</p><p>The frame size E2.2 indicates that this breaker fits into medium-sized assemblies while maintaining robust performance standards. With four poles available, it can handle complex distribution systems where multiple circuits need management simultaneously.</p><p>Another essential aspect to consider is power efficiency; this model exhibits a power loss of only 550 W, minimizing energy wastage during operation—an important factor in reducing overall operational costs over time.</p><p>Installation flexibility is provided through its horizontal rear spread terminal type configuration, allowing seamless integration into existing setups without extensive modifications. This design aids in simplifying maintenance tasks as well as enhancing accessibility for routine checks or adjustments.</p><p>Conforming to IEC 309 standards and approvals signifies that this product meets international quality benchmarks ensuring reliability and safety across diverse environments worldwide.</p><p>In summary, whether you&#39;re upgrading existing infrastructure or setting up new installations requiring dependable circuit protection solutions with high-performance capabilities—this non-automatic ACB presents itself as an ideal choice aligned perfectly with technical requirements expected from industry professionals today.</p>