CHINT 179626

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166EGP

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✅ CHINT NB1-63 C63 Miniature Circuit Breaker – 1P, 63A, C Curve, 6kA Breaking Capacity Description (English): This CHINT NB1-63 is a high-capacity miniature circuit breaker (MCB) built to deliver dependable protection in residential, commercial, and light industrial applications. With 1 protected pole, a rated current of 63A, and a C tripping curve, it is ideal for circuits feeding high-power machinery, HVAC systems, and large electrical panels. The MCB offers a rated short-circuit breaking capacity of 6kA at 230V AC in accordance with EN/IEC 60898-1, and up to 50kA at 220–240V AC under EN/IEC 60947-2, ensuring safe operation under fault conditions. It includes a manual toggle switch, fault indication through the VisiTrip system, and disconnection confirmation via the VisiSafe indicator. It meets industrial and residential standards, offering a reliable and visible safety solution. With a mechanical lifespan of 20,000 cycles and electrical durability of 10,000 cycles, the device is designed for long-term service. It installs easily on DIN rails and occupies only 18mm width (2-pitch), saving space in panel boards. Additional features include 500V insulation voltage, 6kV impulse withstand voltage, IP20/IP40 enclosure protection, and an operating temperature range from -35°C to +70°C. Specifications (English): Model: NB1-63 Poles: 1P Rated Current [In]: 63A Curve Type: C Breaking Capacity: 6kA at 230V 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, 2 pitch (18mm 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)