<p>The MCCB you&#39;re considering is a robust choice for industrial and commercial applications, designed to meet the rigorous demands of modern electrical systems. With a rated current of 320 A, this circuit breaker is well-suited for environments where reliability and efficiency are paramount.</p><p>Engineered with precision, it boasts a rated impulse withstand voltage of 8 kV and an insulation voltage of up to 1000 V, providing superior protection against electrical surges. Its versatility shines through its ability to handle both AC and DC voltages—690 VAC or 750 VDC—making it adaptable across various setups.</p><p>The TMA trip unit incorporated in this MCCB ensures accurate thermal-magnetic release functionality, safeguarding your system from overloads while maintaining operational stability. This reliability is further enhanced by its impressive breaking capacity of 36 kA, ensuring that even significant fault currents are handled effectively.</p><p>With four poles available, this device offers comprehensive coverage for three-phase systems plus neutral. The front connection type facilitates straightforward installation in diverse configurations. Despite its powerful capabilities, it maintains a compact form factor with a width of just 186 mm and weighs only 5.6 kg.</p><p>Safety standards are met without compromise; the product adheres to IEC60947-2 standards and features an IP20 degree of protection against solid objects larger than 12mm in diameter. This makes it suitable for indoor use where contact with foreign bodies must be minimized.</p><p>Additionally, the MCCB operates with minimal power loss at just 16.9 W—a testament to its energy-efficient design that helps reduce overall system costs over time. It’s also compatible with XT5N devices, ensuring seamless integration into existing infrastructure without requiring extensive modifications.</p><p>For those concerned about adaptability under varying load conditions, the current setting range from 224 to 320 A allows fine-tuning according to specific requirements. Lastly, the rated short circuit current spans from an impressive range of 1600-3200 A—demonstrating its capability to handle high-stress scenarios effectively.</p><p>This combination of features makes this MCCB an excellent choice for professionals seeking reliable performance backed by international standards compliance—all wrapped up in a user-friendly package designed with practical application in mind.</p>