<p>When it comes to selecting a Miniature Circuit Breaker (MCB) for your industrial or commercial needs, understanding the technical specifications is crucial. The MCB from the M300P series offers a robust solution with its precise engineering and adherence to international standards.</p><p>Designed to handle a rated current of 4 A, this MCB ensures reliable performance in diverse electrical applications. It boasts an impressive rated impulse withstand voltage of 6 kV and a rated insulation voltage of 500 V, making it suitable for environments where high voltage surges are common.</p><p>This device operates efficiently at a rated voltage of 415 V and accommodates both 50 Hz and 60 Hz frequency systems. With four poles, it provides comprehensive protection across multiple circuits, enhancing safety and reliability in your installations.</p><p>Safety is further assured by its high breaking capacity of 100 kA. This means that even under extreme fault conditions, the MCB can interrupt current flow without damage, protecting both equipment and personnel.</p><p>The physical dimensions are compact yet substantial: with a width of 70 mm, height of 88 mm, and depth of 69 mm. Such sizing facilitates easy integration into existing setups without requiring extensive modifications. Additionally, mounting is simplified via DIN rail compatibility—a standard feature that streamlines installation processes.</p><p>For secure connections, this MCB supports a tightening torque of up to 2.8 N-m. Its weight stands at just under half a kilogram (0.496 kg), striking an ideal balance between sturdiness and manageability during installation or maintenance tasks.</p><p>Conforming to IEC/EN 60947-2 standards underscores its reliability and quality assurance on an international level—an essential consideration for any discerning professional seeking compliance with global norms.</p><p>The product&#39;s housing color in RAL 7036 Grey not only adds aesthetic uniformity but also aligns with industry expectations for durability against environmental factors such as dust ingress or moisture exposure classified under IP3 degree pollution rating.</p><p>Engineered for resilience across diverse climates—from harsh winter chills at -40&#176;C to sweltering summer highs reaching up to +70&#176;C—this MCB delivers consistent functionality regardless of ambient temperature variations.</p><p>In summary, this Magnetic D curve type circuit breaker presents itself as an optimal choice when you need dependable protection combined with seamless integration capabilities in various operational contexts within Australia’s demanding industrial landscape.</p>