<p>When it comes to selecting a reliable circuit breaker for industrial or commercial applications, precision and durability are paramount. This particular model is designed to meet the rigorous demands of various electrical environments with its impressive specifications.</p><p>The circuit breaker boasts a rated current of 4 A, ensuring it can handle moderate electrical loads effectively. It operates efficiently at a rated voltage of 230/400 VAC, making it versatile for different setups. Its rated insulation voltage stands at 440 V, providing robust protection against electrical faults.</p><p>One of the standout features is its breaking capacity of 11.3 kA and short circuit capacity of 15 kA, which ensures safety by effectively interrupting high fault currents. The device also meets stringent IEC/EN standards (60898-1 and 60947-2), guaranteeing compliance with international safety regulations.</p><p>In terms of construction, this single-pole breaker features an IP20 degree of protection, safeguarding against solid objects larger than 12 mm but not water ingress. Additionally, it has a degree of pollution rating at IP3, suitable for environments where dust or other particulate matter might be present.</p><p>Installation is straightforward with the screw clamp terminal type that requires a tightening torque of 2.8 N-m. The unit&#39;s dimensions—17.5 mm in width, 88 mm in height, and 69 mm in depth—make it compact enough for space-constrained panels while still maintaining accessibility and ease of handling during installation on standard DIN rails.</p><p>Durability is another key aspect; this breaker offers an impressive electrical durability rating with up to 20,000 cycles under normal operating conditions within ambient temperatures ranging from -25&#176;C to +55&#176;C during operation and -40&#176;C to +70&#176;C when stored.</p><p>For those concerned about aesthetics or uniformity in panel design, the housing color matches RAL 7035 grey—a neutral tone that blends well in most settings without drawing unnecessary attention.</p><p>This model also features a power loss value at just 1.8 W under full load conditions which helps minimize energy wastage over prolonged usage periods while maintaining operational efficiency across its rated frequency range between 50/60 Hz.</p><p>Designed with practicality in mind for professionals who prioritize functionality over flair; whether upgrading existing systems or installing new ones altogether—this circuit breaker delivers dependable performance tailored specifically towards meeting technical requirements reliably every time through consistent operation backed by proven engineering principles encapsulated within each component part utilized throughout its manufacturing process from start till finish ensuring longevity coupled alongside unparalleled service life expectancy overall!</p>