CHINT 179710

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520EGP

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✅ CHINT NB1-63 C63 Miniature Circuit Breaker – 3P, 63A, C Curve, 6kA Breaking Capacity Description (English): The CHINT NB1-63 C63 is a high-capacity triple-pole miniature circuit breaker (MCB) designed for demanding three-phase electrical systems in commercial and industrial applications. With a rated current of 63A and a C tripping curve, it is ideal for supplying power to large motors, high-load distribution circuits, HVAC systems, and heavy-duty machinery. It offers a short-circuit breaking capacity of 6kA at 400V AC in accordance with EN/IEC 60898-1, and up to 50kA per EN/IEC 60947-2, providing robust protection against short circuits and overloads across all three poles. The breaker features a manual toggle switch, VisiTrip indicator for quick fault detection, and VisiSafe strip for visible confirmation of full disconnection. Its DIN rail mounting with 54mm width (3 pitch) allows for straightforward integration into modular electrical panels. Built for durability, the NB1-63 C63 supports up to 20,000 mechanical operations and 10,000 electrical operations. It also includes 500V insulation voltage, 6kV impulse withstand voltage, and IP20/IP40 protection when installed in enclosures. Specifications (English): Model: NB1-63 Poles: 3P Rated Current [In]: 63A Curve Type: C Breaking Capacity: 6kA 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, 3 pitch (54mm 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)