<p>When selecting an MCB for your industrial or commercial applications, it&#39;s crucial to consider the technical specifications that ensure reliability and safety. The M300P series offers a well-rounded solution with its robust features tailored to meet demanding requirements.</p><p>The MCB in question is designed with a rated current of 4 A, making it suitable for low-current applications where precision and protection are paramount. It operates efficiently within a rated voltage of 415 V and boasts an impressive breaking capacity of 100 kA, ensuring that it can handle high fault levels proficiently without compromising performance.</p><p>This model is crafted for durability under various conditions, featuring a rated impulse withstand voltage of 6 kV and a rated insulation voltage of 500 V. These attributes contribute to its resilience against electrical surges and insulation failures, providing peace of mind in environments prone to such occurrences.</p><p>With three poles, this breaker supports balanced load distribution across phases—a critical factor in maintaining system stability. The magnetic D curve type further enhances its capability by offering precise tripping characteristics suited for circuits with higher inrush currents typically found in motor-starting applications.</p><p>Installation is straightforward thanks to its DIN rail mounting design, which promotes ease of integration into existing panels. Measuring at a compact width of 52.5 mm, height of 88 mm, and depth of 69 mm, it ensures efficient use of space while maintaining accessibility for maintenance or inspection tasks.</p><p>In terms of environmental adaptability, this MCB operates effectively across ambient temperatures ranging from -40&#176;C to 70&#176;C. Its degree of pollution rating at IP3 indicates adequate protection against solid foreign objects larger than 2.5 mm as well as limited ingress protection against water spray less than vertical.</p><p>Constructed according to IEC/EN 60947-2 standards and approvals—hallmarks that assure compliance with international quality benchmarks—this product aligns seamlessly with stringent safety regulations prevalent in the industry today.</p><p>Weighing just 0.372 kg, it combines lightweight convenience with sturdy construction; the housing color RAL 7036 grey adds uniformity when installed alongside other components within control panels or distribution boards.</p><p>Finally, considering installation specifics like tightening torque set at precisely 2.8 N-m ensures secure connections without overtightening risks—an essential aspect often overlooked but vital for long-term operational integrity.</p><p>In summary: if you&#39;re seeking an MCB capable enough yet compact enough for diverse industrial settings characterized by fluctuating voltages or harsh weather conditions—the M300P series stands ready as your dependable choice meeting all these criteria effortlessly!</p>