Schneider Electric A9R61440 Residual Current Circuit Breaker (RCCB) 4P 40A A-SI Type 30mA. The Schneider Electric A9R61440 is a robust Residual Current Circuit Breaker (RCCB) from the Acti9 iID series, specifically engineered for critical earth-leakage protection in industrial and commercial applications. This 4-pole, 40A device offers a precise 30mA earth-leakage sensitivity with instantaneous tripping, crucial for safeguarding personnel and equipment. Featuring advanced Type A-SI (Super Immunised) protection, it provides enhanced immunity against transient overvoltages and ensures reliable operation in demanding environments. Designed for 400-415V AC networks at 50/60Hz, its voltage-independent tripping technology guarantees consistent performance. With a 10kA rated conditional short-circuit current and IP20 protection, the A9R61440 is suitable for a wide range of uses in the Gulf and Egyptian markets. It's an ideal choice for sectors such as building services, water treatment plants, food and beverage processing, and light manufacturing, as well as general power distribution within cement, oil and gas facilities. For dependable electrical safety and compliance, specify the Schneider Electric A9R61440.