<p>When selecting a Miniature Circuit Breaker (MCB) for industrial or commercial applications, understanding the specific technical attributes is crucial. The S300P Series MCB stands out with its robust features tailored to meet demanding electrical environments.</p><p>With a rated current of 40 A and a rated voltage of 415 VAC, this MCB is engineered to handle substantial electrical loads efficiently. Its impressive breaking capacity of 15 kA ensures it can interrupt fault currents effectively, safeguarding your electrical systems against potential damage.</p><p>The product&#39;s rated impulse withstand voltage reaches up to 6 kV, offering solid protection against transient overvoltages commonly encountered in industrial settings. Coupled with a rated insulation voltage of 500 V, it enhances system reliability by preventing breakdowns due to insulation failure.</p><p>In terms of durability and safety standards, the S300P Series complies with CSA 22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077 certifications. This compliance guarantees adherence to international safety norms and performance benchmarks.</p><p>Designed for versatility in installation, the MCB features a screw clamp terminal type that supports secure connections with tightening torque specifications set at 3 N-m. It fits seamlessly onto DIN rail mountings and allows arbitrary power supply connections—a testament to its flexibility in various setups.</p><p>The physical dimensions—52.5 mm width, 88 mm height, and depth of 69 mm—make it compact yet capable within any control panel while maintaining an IP20/IP40 degree of protection against dust ingress. The housing color in RAL 7039 Grey adds an aesthetic touch without compromising functionality.</p><p>This breaker operates effectively across a wide ambient temperature range from -40 to +70 degrees Celsius, ensuring consistent performance under extreme conditions. Additionally, it boasts an electrical durability rating of up to 10,000 cycles and supports short circuit capacities up to an impressive 20 kA.</p><p>Its Curve Type D characteristic makes it suitable for inductive loads where high inrush currents are present—ideal for motor starting applications or circuits prone to surges.</p><p>For ease during installation or maintenance tasks requiring wire preparation, the MCB provides a wire stripping length guidance at approximately 14 mm.</p><p>Overall weighing just about 0.372 kg ensures minimal impact on weight constraints within larger assemblies whilst providing reliable operation throughout its lifecycle—a perfect fit for those seeking efficiency combined with comprehensive protective capabilities offered by modern-day circuit breakers like this one from the S300P Series lineup.</p>