CHINT 179660

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✅ CHINT NB1-63 C20 Miniature Circuit Breaker – 2P, 20A, C Curve, 6kA Breaking Capacity Description (English): The CHINT NB1-63 C20 is a double-pole miniature circuit breaker (MCB) designed to provide efficient protection in residential, commercial, and light industrial power distribution systems. With 2 protected poles and a rated current of 20A, it is ideal for protecting dual-phase circuits with moderate inductive or resistive loads. It features a C tripping curve and a breaking capacity of 6kA at 230/400V AC in accordance with EN/IEC 60898-1, and up to 50kA per EN/IEC 60947-2. This ensures strong defense against overloads and short circuits across both poles. The breaker is equipped with a toggle switch for manual control, a VisiTrip indicator for quick fault identification, and a VisiSafe strip to ensure safe disconnection. It complies with international safety and performance standards for both residential and industrial use. With a DIN rail mountable width of 36mm (2 pitch), it is compact and easy to install. The device offers a mechanical lifespan of up to 20,000 cycles and electrical endurance of 10,000 cycles. Additional features include a 500V insulation voltage, 6kV impulse withstand voltage, IP20/IP40 protection in enclosures, and an operating temperature range from -35°C to +70°C. Specifications (English): Model: NB1-63 Poles: 2P Rated Current [In]: 20A Curve Type: C Breaking Capacity: 6kA at 230/400V 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, 2 pitch (36mm 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)