CHINT 179913

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✅ CHINT NB1-63H C25 Miniature Circuit Breaker – 4P, 25A, C Curve, 10kA Breaking Capacity Description (English): The CHINT NB1-63H C25 is a 4-pole miniature circuit breaker (MCB) specifically designed for three-phase + neutral power systems in industrial, commercial, and advanced residential installations. With a rated current of 25A and C curve tripping behavior, it supports protection for mixed resistive/inductive loads such as control panels, compressors, and lighting circuits. It offers a high short-circuit breaking capacity of 10kA at 400V AC in compliance with EN/IEC 60898-1 and EN/IEC 60947-2 standards, ensuring safety and durability under fault conditions. It features a toggle-type manual actuator, a VisiTrip indicator for fast fault identification, and a VisiSafe indicator for visual confirmation of disconnection. The device’s 72mm width (8 pitch) ensures easy installation on standard DIN rails. Designed for endurance, it provides up to 20,000 mechanical and 10,000 electrical operations, with insulation voltage rated at 500V and impulse withstand voltage of 6kV. Suitable for environments ranging from -35°C to +70°C. Specifications (English): Model: NB1-63H Poles: 4P Rated Current [In]: 25A Curve Type: C Breaking Capacity: 10kA at 400V AC (EN/IEC 60898-1) Insulation Voltage [Ui]: 500V AC Impulse Voltage [Uimp]: 6kV Standards: EN/IEC 60898-1, EN/IEC 60947-2 Mounting: DIN rail, 8 pitch (72mm width) Protection Class: IP20 (IP40 in enclosure) Operating Temperature: -35°C to +70°C Mechanical Life: 20,000 cycles Electrical Life: 10,000 cycles Tightening Torque: 2 Nm Wire Capacity: 1–25mm² (rigid), 1–16mm² (flexible)