<p>The RCCB (Residual Current Circuit Breaker) is a robust and reliable solution for electrical safety in commercial and industrial settings. Designed to protect against electrical shock and fire hazards, this RCCB is engineered with precision to meet stringent technical requirements.</p><p>With a rated current of 40 A, it efficiently handles substantial electrical loads, making it suitable for diverse applications. The device operates effectively within a rated voltage range of 230/400 VAC and supports both 50 Hz and 60 Hz frequencies, offering versatility across different power systems.</p><p>Its rated impulse withstand voltage stands at an impressive 4 kV, while the rated insulation voltage is 500 V, ensuring high-level protection against transient overvoltages. The RCCB features a breaking capacity of 30 mA, providing sensitive detection of residual currents to enhance safety.</p><p>Constructed with durability in mind, this RCCB boasts an IP20/IP40 degree of protection, safeguarding internal components from dust and accidental contact. Its screw clamp terminal type ensures secure connections with a tightening torque of 2.8 Nm.</p><p>Measuring at a compact width of 70 mm, height of 85 mm, and depth of 69 mm—while weighing just 360 g—this device fits seamlessly into DIN rail mounting systems without occupying excessive space. The cable cross-section accommodates various wire types: up to four multi-wired cables ranging from zero to twenty-five square millimeters or solid-core wires up to twenty-five square millimeters.</p><p>Designed for reliability under varying environmental conditions, the RCCB operates efficiently within an ambient temperature range from -25&#176;C to +55&#176;C. Its electrical durability extends up to one thousand cycles—ensuring long-lasting performance even in demanding applications.</p><p>The product supports arbitrary power supply connection configurations for flexible installation options. With its instantaneous operating characteristic and test voltage between one hundred seventy volts and two hundred fifty-four volts—the device guarantees rapid response during fault conditions.</p><p>For enhanced adaptability—the connecting capacity includes busbar connections up to ten square millimeters as well as rigid or flexible connections reaching twenty-five square millimeters each respectively—for streamlined integration into existing setups without hassle!</p><p>Overall—a dependable choice that combines advanced functionality with practical design elements tailored towards industry professionals seeking optimal safety measures alongside ease-of-use when selecting their next protective component investment!</p>