KYN61-40.5 armored withdrawable AC metal-enclosed switchgear has a rated voltage and frequency of 40.5KV and 50(60Hz), respectively. It is primarily used in factories and power systems to receive and distribute electrical energy, as well as to control, protect, and monitor circuits. The cabinet adopts an assembled structure, consisting of two parts: the cabinet body and the withdrawable functional trolley. It features a rational structure and scientific layout, with a comprehensive "five-proof" interlocking function. The front and rear main frames are made of high-quality aluminum-zinc coated steel plates, assembled through multiple folding and positioning processes, providing the entire cabinet with strong corrosion and oxidation resistance, excellent mechanical strength, and high precision fit.