CHINT NXB-125 3-Pole (3P) Miniature Circuit Breaker (MCB) rated for 125A. It is a modular terminal distribution switch used to provide overload and short-circuit protection in high-current low-voltage AC electrical systems.Rated Current (\(I_{n}\)): 125 Amperes (125A)Number of Poles: 3 Poles (3P), typically utilized in 3-phase applicationsRated Operating Voltage (\(U_{e}\)): 400V~ ACRated Frequency: 50HzUltimate Short-Circuit Breaking Capacity (\(I_{cu}\)): 10kA (10,000 Amperes)Service Short-Circuit Breaking Capacity (\(I_{cs}\)): 7.5kA (7,500 Amperes)Rated Impulse Withstand Voltage (\(U_{imp}\)): 4kVTripping Curve (Instantaneous Release): Type C (\(I_i = 8I_n\)), generally used for commercial or industrial loads with moderate inrush currents.Compliance Standards: IEC 60947-2 / GB/T 14048.2