<p>The S300P series Miniature Circuit Breaker (MCB) is a robust and reliable choice for industrial and commercial applications, offering dependable protection against overloads and short circuits. With a rated current of 4 A, this MCB is designed to handle demanding electrical environments efficiently.</p><p>In terms of performance, the MCB boasts a breaking capacity of 15 kA, making it suitable for high-demand installations. It operates at a rated voltage of 415 VAC and can withstand impulse voltages up to 6 kV. The device also supports both 50 Hz and 60 Hz frequencies, ensuring compatibility with various power systems.</p><p>Durability is another key feature of this MCB, which adheres to several rigorous standards including CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077. It has an IP20/IP40 degree of protection depending on installation conditions, protecting against dust ingress while maintaining operational integrity in diverse settings.</p><p>Installation flexibility is enhanced by its DIN rail mounting type and arbitrary power supply connection capability. Moreover, the MCB&#39;s compact dimensions—52.5 mm width, 88 mm height, and 69 mm depth—allow for efficient use of space within electrical panels.</p><p>Designed with practicality in mind, the screw clamp terminal type ensures secure connections with a tightening torque requirement of just 3 N-m. For ease during installation or maintenance work, the recommended wire stripping length is set at an optimal 14 mm.</p><p>Environmental resilience is demonstrated through its wide ambient temperature range from -40 to +70 degrees Celsius during operation—a testament to its adaptability in varied climates found across Australia.</p><p>Safety features include a dielectric test voltage rating of 2 kV along with adherence to pollution degree IP3 standards providing additional assurance when used in less-than-ideal conditions.</p><p>The housing comes in RAL7039 grey color which not only provides an aesthetically pleasing finish but also matches other equipment typically found within control cabinets or distribution boards.</p><p>This three-pole unit offers versatility with its K curve type that caters specifically towards inductive loads such as motors or transformers commonly encountered within industrial setups making it ideal for those seeking reliable circuit protection solutions tailored precisely toward their technical requirements without unnecessary frills or complexities inherent elsewhere on market today!</p>