<p>For professionals in the electrical engineering and automation sectors, selecting a reliable Air Circuit Breaker (ACB) is crucial for ensuring safety and efficiency in power distribution systems. This particular non-automatic ACB offers a robust solution tailored to meet demanding industrial and commercial requirements.</p><p>With a rated current of 1600 A, this ACB is designed to handle substantial electrical loads, making it suitable for various applications where high capacity is necessary. The product&#39;s rated voltage of 690 VAC ensures compatibility with standard industrial power systems, providing flexibility across different installations.</p><p>One of the standout features of this ACB is its impressive breaking capacity of 66 kA. This capability ensures that the circuit breaker can effectively interrupt fault currents without compromising system integrity. Additionally, it boasts a rated short time withstand current of 50 kA, which speaks to its durability under transient conditions that may occur in complex electrical environments.</p><p>Safety and reliability are further underscored by its rated impulse withstand voltage of 12 kV. This specification highlights the breaker&#39;s ability to endure overvoltage spikes typically encountered due to lightning strikes or switching surges, thus safeguarding connected equipment from potential damage.</p><p>The frame size E1.2 indicates a compact design that does not sacrifice performance for space efficiency—a critical factor when managing limited installation areas or retrofitting into existing infrastructures. Moreover, the horizontal rear spread terminal type facilitates straightforward integration into current setups while maintaining secure connections.</p><p>Power loss is an essential consideration for any electrical component; this ACB has been engineered with an efficient design resulting in only 400 W power loss during operation. This feature contributes to overall energy savings and reduced heat generation within switchgear assemblies.</p><p>Complying with IEC 309 standards and approvals assures users that this product meets international safety and performance benchmarks—providing peace of mind regarding quality assurance and regulatory compliance.</p><p>In summary, whether you&#39;re upgrading an existing system or designing new installations, this non-automatic ACB stands as a reliable choice backed by robust specifications ideal for Australian technical audiences seeking dependable solutions in their power distribution networks.</p>