<p>When selecting the right circuit breaker for demanding industrial and commercial applications, understanding the specific features and technical specifications is crucial. This non-automatic Air Circuit Breaker (ACB) is designed to meet rigorous standards and deliver reliable performance in high-demand environments.</p><p>With a robust rated current of 4000 A, this ACB is well-suited for heavy-duty operations where consistent power delivery is essential. The device boasts a rated impulse withstand voltage of 12 kV, ensuring it can handle transient overvoltages effectively, which is vital for maintaining system integrity during unexpected electrical surges.</p><p>The rated insulation voltage of 1000 VAC provides an added layer of safety by ensuring that the breaker&#39;s internal components are protected against potential electrical faults. Additionally, this breaker supports a rated short time withstand current of 66 kA, demonstrating its capability to manage short-circuit conditions without compromising operational stability.</p><p>Designed for systems operating at a maximum voltage of 690 VAC, this ACB&#39;s breaking capacity matches its short time withstand current at 66 kA. This alignment ensures that the breaker can safely interrupt fault currents within specified limits, minimizing downtime and protecting connected equipment from damage.</p><p>Efficiency in energy management is also considered with a power loss rating of just 900 W. This feature helps in reducing overall energy consumption while maintaining optimal performance levels across various applications.</p><p>The product&#39;s construction includes three poles and utilizes a horizontal rear spread terminal type. This design facilitates straightforward integration into existing setups while allowing easy access for maintenance or adjustments when necessary.</p><p>Compliant with IEC 309 standards and approvals, this ACB adheres to international quality benchmarks that assure users of its reliability and durability over extended periods. The frame size E4.2 further categorizes it under specific dimensional parameters suitable for varied installation requirements.</p><p>In conclusion, this non-automatic ACB stands as a dependable choice for professionals seeking efficient protection solutions capable of handling substantial electrical loads with precision and safety assurance.</p>