Schneider Electric A9F75440 Acti9 iC60N Miniature Circuit Breaker, 4P, 40A, D Curve. The Schneider Electric A9F75440 Acti9 iC60N Miniature Circuit Breaker provides robust and reliable electrical protection for various distribution circuits. This 4-pole, 40A MCB features a D-curve thermal-magnetic trip unit, making it ideal for managing high inrush currents typical in motor circuits and other inductive loads. It supports both AC and DC networks with a frequency range of 50/60 Hz, offering versatile operational voltages including 380-415 V AC. With a breaking capacity of 10 kA Icu at 380-415 V AC (EN/IEC 60947-2) and 6000 A Icn at 400 V AC (EN/IEC 60898-1), it ensures effective fault interruption. Designed for 35mm DIN rail mounting and featuring IP20 protection (IP40 in modular enclosure), this device is suitable for a wide array of applications in demanding environments. Its suitability for isolation further enhances safety. The A9F75440 is perfectly suited for critical industrial sectors across Egypt and the Gulf, including oil and gas, water treatment, cement production, food and beverage, textiles, and general building services, where uninterrupted and safe power distribution is essential.