Schneider Electric A9R15463 Residual current circuit breaker Acti9 iID 4P 63A 300mA Selective. The Schneider Electric A9R15463 is a high-performance Acti9 iID Residual Current Circuit Breaker (RCCB) designed for essential earth-leakage protection in various electrical installations. This robust 4-pole device is rated for 63A and features a 300mA earth-leakage sensitivity with selective tripping, making it ideal for upstream protection where discrimination is required. It operates on AC networks with a rated operational voltage of 400-415V AC at 50/60Hz, perfectly suiting the power standards of Egypt and the Gulf region. Built to EN/IEC 61008-1 and EN/IEC 61008-2-1 standards, it ensures reliable and safe operation. Typical applications include critical infrastructure in industries such as cement, oil and gas, water treatment, food and beverage, textiles, and large commercial building services, safeguarding personnel and equipment from electrical hazards. For dependable earth-leakage solutions, the Schneider Electric A9R15463 offers an excellent choice.