<p>When it comes to ensuring electrical safety and reliability in both industrial and commercial settings, choosing the right Residual Current Circuit Breaker (RCCB) is crucial. This RCCB model stands out with its robust specifications tailored for demanding environments.</p><p>Designed to handle a rated current of 40 A, this RCCB offers dependable protection against earth faults and leakage currents. It operates efficiently across a voltage range of 230-400 VAC, making it versatile for various applications. The device also boasts a rated impulse withstand voltage of 4 kV and an insulation voltage of 440 V, providing enhanced safety margins in high-voltage scenarios.</p><p>With four poles, this RCCB is well-suited for three-phase systems or complex installations requiring comprehensive protection. The degree of protection is classified as IP20/IP40, indicating that while it&#39;s suitable for indoor use where physical barriers are present (IP20), additional enclosures can elevate its protection level to IP40.</p><p>For installation ease, the RCCB features screw clamp terminals with a recommended tightening torque of 2.8 N-m. Its dimensions—70 mm width by 85 mm height by 69 mm depth—ensure compatibility with standard DIN rail mounting systems, facilitating straightforward integration into existing setups.</p><p>The product&#39;s durability is notable; it supports up to 10,000 electrical cycles and maintains operational integrity even under rigorous conditions. Its cable cross-section capacity accommodates up to 25 sq-mm cables, whether rigid or stranded, offering flexibility in connection configurations. Additionally, the wire stripping length required is just 12 mm.</p><p>Engineered for resilience across diverse environments, this RCCB functions within an ambient temperature range from -25&#176;C to +65&#176;C. It can withstand short circuit currents up to 10 kA without compromising performance—an essential feature for safeguarding circuits against unexpected surges.</p><p>The connecting capacity includes busbar connections at up to 10 sq-mm alongside other cable types ranging from rigid to stranded options between 1-25 sq-mm. The test voltage spans from 110-253 V ensuring reliable operation checks without needing full load conditions.</p><p>This Type B residual current device offers instantaneous operating characteristics ideal for rapid response during fault conditions—a critical attribute when protecting sensitive equipment or personnel from electrical hazards.</p><p>In summary, this mid-cycle RCCB delivers on all fronts: safety compliance through stringent standards adherence; adaptability via multi-voltage support; robustness thanks to high electrical durability; and user-friendly installation facilitated by thoughtful design features—all packaged into a compact form factor weighing only 380 g.</p>