<p>When it comes to ensuring electrical safety in industrial and commercial settings, choosing the right Residual Current Circuit Breaker (RCCB) is crucial. This RCCB model offers robust protection with a rated current of 63 A, making it suitable for a range of applications. It operates efficiently within a voltage range of 230-400 VAC and can withstand impulse voltages up to 4 kV, providing reliable performance under various conditions.</p><p>The device&#39;s rated insulation voltage is set at 440 V, ensuring that it maintains its integrity even in demanding environments. With a breaking capacity of 30 mA, this RCCB is designed to detect earth faults promptly and disconnect the circuit instantaneously to prevent potential electrical hazards.</p><p>This four-pole RCCB features an IP20/IP40 degree of protection, making it resistant to solid objects and offering some level of water protection when installed correctly. The screw clamp terminal type ensures secure connections with a tightening torque requirement of 2.8 N-m.</p><p>Measuring at a compact width of 70 mm, height of 85 mm, and depth of 69 mm while weighing just 380 g, this unit is designed for easy installation on standard DIN rails. Its electrical durability extends up to an impressive 10,000 cycles, highlighting its longevity in continuous operation scenarios.</p><p>Designed for versatility in wiring configurations, this RCCB accommodates cable cross-sections up to 25 sq-mm and supports both rigid and flexible connecting capacities ranging from 1-25 sq-mm. The wire stripping length required is just 12 mm—facilitating straightforward installation processes.</p><p>Operating effectively across a frequency range between 50/60 Hz and maintaining functionality within ambient temperatures from -25&#176;C to +50&#176;C showcases its adaptability across diverse environmental conditions. Furthermore, the device endures rigorous environmental testing over cycles involving high humidity levels at elevated temperatures.</p><p>Safety standards are further emphasized by its Type B residual current classification—capable of handling various fault currents including AC and pulsating DC components—making it highly effective against complex fault scenarios often encountered in industrial setups.</p><p>Withstanding short circuits with a rating up to 10 kA assures users that this RCCB provides robust defense against sudden overloads or faults beyond normal operational limits.</p><p>In summary, whether you&#39;re retrofitting existing systems or implementing new installations requiring dependable residual current protection solutions—this RCCB delivers on all fronts without compromising on quality or reliability.</p>