Schneider Electric A9R14463 Residual Current Circuit Breaker (RCCB) iID 4P 63A AC 300mA. The Schneider Electric A9R14463 is a robust Acti9 iID Residual Current Circuit Breaker (RCCB) designed for critical earth-leakage protection in various electrical installations. This 4-pole device is rated for 63 Amperes and offers a high earth-leakage sensitivity of 300mA, making it suitable for safeguarding personnel and equipment from electrical shocks and fire hazards. Engineered for AC networks, it operates effectively within a rated operational voltage range of 400-415 V AC at 50/60 Hz, crucial for industrial and commercial grids in Egypt and the Gulf region. With an instantaneous earth-leakage protection time delay and Type AC classification, it provides immediate response to ground faults. The A9R14463 boasts a rated conditional short-circuit current of 10 kA, ensuring reliability under fault conditions, and is easily mounted on a 35 mm DIN rail. Its IP20 protection ensures suitability for modular enclosures. This Schneider Electric RCCB is ideal for demanding applications across industries like cement, oil and gas, water treatment, and commercial building services, where uninterrupted power and safety are paramount.