Schneider Electric A9F73263 Miniature Circuit Breaker (MCB) 2P 63A B-Curve. The Schneider Electric A9F73263 Acti9 iC60N Miniature Circuit Breaker (MCB) provides robust and reliable overcurrent protection for final distribution circuits in diverse electrical installations. This 2-pole, 63A, B-curve thermal-magnetic MCB is engineered for both AC and DC networks, accommodating a wide operational voltage range including 220-240 V AC, 380-415 V AC, and up to 125 V DC, making it highly versatile for the Egyptian and Gulf markets. It offers significant breaking capacities, including 6000 A (IEC/EN 60898-1) at 400 V AC and 10 kA (IEC/EN 60947-2) at 380-415 V AC, ensuring safety and compliance with international standards (EN/IEC 60898-1, EN/IEC 60947-2). Designed for quick and secure mounting on a 35 mm DIN rail, the A9F73263 is suitable for isolation and features an IP20 degree of protection. Its adaptability makes it ideal for critical applications in building services, water treatment plants, oil and gas facilities, and general industrial settings like food & beverage or cement production.