<p>The MCB from the M300P series is a robust and reliable choice for industrial and commercial applications. Designed with precision, it handles a rated current of 40 A, making it suitable for various electrical systems requiring dependable circuit protection. Its rated voltage stands at 415 V, ensuring compatibility with standard electrical setups.</p><p>Engineered to withstand harsh conditions, this MCB boasts a rated impulse withstand voltage of 6 kV and an insulation voltage of 500 V. This ensures resilience against electrical surges and provides safety in operation. The device features a breaking capacity of 25 kA, which offers sufficient protection against short circuits by interrupting high fault currents effectively.</p><p>Constructed with practicality in mind, the MCB is equipped with four poles and fits seamlessly onto DIN rails for straightforward installation. It has dimensions that include a width of 70 mm, height of 88 mm, and depth of 69 mm. Despite its compact size, it doesn&#39;t compromise on performance or safety standards.</p><p>The tightening torque required is set at 2.8 N-m, ensuring secure connections without risking damage to terminals or wires during installation. With an ambient temperature range from -40 to 70 degrees Celsius, this MCB operates reliably in diverse environments—from extreme cold to intense heat—making it versatile across different settings.</p><p>Adhering to IEC/EN 60947-2 standards solidifies its standing as a quality product meeting international safety requirements. The degree of pollution rating at IP3 indicates its capability to function effectively even in moderately polluted atmospheres.</p><p>For those considering aesthetics alongside functionality, the housing comes in RAL 7036 Grey—a neutral tone that blends well into various industrial settings without drawing unnecessary attention.</p><p>In terms of weight management within your system design considerations, this unit weighs just under half a kilogram (0.496 kg), allowing for easier handling during setup or maintenance procedures.</p><p>The curve type is Magnetic D which suits applications where there may be higher initial current surges such as motor starting scenarios often encountered in commercial installations or machinery operations.</p><p>Operating efficiently across both common frequencies (50/60 Hz), this circuit breaker meets diverse global power supply needs while maintaining consistent performance levels throughout its lifecycle within your infrastructure setup.</p>