<p>The RCCB (Residual Current Circuit Breaker) is a reliable choice for safeguarding electrical circuits in both industrial and commercial applications. Designed with precision, this device offers a comprehensive set of features that cater to diverse technical requirements while ensuring safety and efficiency.</p><p>With a rated current of 63 A, the RCCB is adept at handling substantial electrical loads. It operates effectively within a voltage range of 230/400 VAC, making it versatile for various installations. The device&#39;s rated insulation voltage stands at 500 V, providing robust protection against electrical faults.</p><p>The RCCB boasts an impressive rated impulse withstand voltage of 4 kV, ensuring resilience against transient overvoltages often caused by lightning strikes or switching surges. Its residual current type is classified as Type A, which means it&#39;s capable of detecting both AC and pulsating DC components in fault currents.</p><p>Designed for durability, the RCCB has an electrical endurance of up to 1000 cycles. This ensures long-term reliability even under frequent operational demands. The unit&#39;s power loss is minimal at just 4.4 W, contributing to energy efficiency across its lifespan.</p><p>Installation flexibility is enhanced by its DIN rail mounting type and screw clamp terminals that support cable cross-sections from 0-25 sq-mm for multi-wired cables and up to 25 sq-mm for solid-core wires. The tightening torque required is specified at 2.8 N-m, facilitating secure connections without undue stress on terminal screws.</p><p>In terms of dimensions, the compact form factor—70 mm in width, 85 mm in height, and 69 mm in depth—ensures ease of integration into existing setups without demanding excessive space. Despite its sturdy build weighing in at just 360 g, it maintains a high degree of protection with IP20/IP40 ratings depending on installation conditions.</p><p>Operationally efficient across varying environments, the RCCB functions reliably within ambient temperatures ranging from -25 to +55 degrees Celsius. Its instantaneous operating characteristic enhances response times during fault conditions.</p><p>The unit supports arbitrary power supply connection and accommodates busbar connecting capacities up to 10 sq-mm as well as rigid or flexible wire connections between 25-25 sq-mm each way—further highlighting its adaptability across different wiring configurations.</p><p>Finally yet importantly testing voltages span from110-254 V allowing thorough verification processes during commissioning stages ensuring peace-of-mind operations thereafter Rated Short Circuit Current capability reaches10 kA offering strong defense mechanisms when faced unexpected high-current scenarios Degree Pollution rating remains IP2 aligning standard practices maintaining clean operational environments</p><p>This combination makes this RCCB an ideal candidate where performance meets practicality seamlessly fitting modern infrastructures seeking effective protective measures without compromise</p>