<p>When selecting a non-automatic air circuit breaker (ACB) for industrial or commercial applications, understanding the technical specifications is crucial to ensure it meets your operational needs. This particular ACB, with its robust design and reliable performance metrics, stands as a dependable choice for various electrical setups.</p><p>The rated current of 2500 A makes this ACB suitable for high-demand environments where substantial power distribution is required. It can efficiently handle significant electrical loads without compromising safety or performance. Additionally, its rated impulse withstand voltage of 12 kV provides resilience against transient overvoltages, safeguarding your system from potential electrical spikes.</p><p>Operating within a rated insulation voltage of 1000 VAC and a rated voltage of 690 VAC, this ACB offers flexibility in medium-voltage applications. Its capability to manage these voltages ensures compatibility across diverse installations while maintaining operational integrity.</p><p>A notable feature is the rated short-time withstand current and breaking capacity both set at an impressive 66 kA. This specification underscores the product&#39;s ability to sustain high fault currents momentarily and interrupt them effectively during faults, minimizing downtime and protecting connected equipment from damage.</p><p>Energy efficiency is also considered with a power loss rating of 550 W. This value indicates that while managing large currents, the device operates with minimal energy wastage—an important factor when calculating overall system efficiency and operating costs.</p><p>Designed with three poles and housed in an E2.2 frame size, this ACB fits seamlessly into standard switchgear assemblies without requiring extensive modifications or additional space considerations. The horizontal rear spread terminal type facilitates easy integration into existing systems by simplifying wiring configurations—a practical feature appreciated by installation technicians.</p><p>Conforming to IEC 309 standards ensures that this product adheres to international safety and performance benchmarks—a reassurance of quality that professionals rely on when specifying components for critical infrastructure projects.</p><p>In summary, this non-automatic ACB combines essential features such as high current handling capabilities, efficient fault management through its breaking capacity, low power loss for economic operation, all encapsulated within a user-friendly design adhering to global standards—all making it an apt choice for those seeking reliability in their electrical systems&#39; backbone components.</p>