CHINT 179786

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✅ CHINT NB1-63H C20 Miniature Circuit Breaker – 1P, 20A, C Curve, 10kA Breaking Capacity Description (English): The CHINT NB1-63H C20 miniature circuit breaker (MCB) is built for high-reliability protection in residential, commercial, and light industrial applications. It features one protected pole (1P), a rated current of 20A, and a C tripping curve suitable for circuits powering receptacles, lighting, and small motor loads. With a rated short-circuit breaking capacity of 10kA at 230V AC, the NB1-63H C20 offers strong fault protection and complies with international safety standards EN/IEC 60898-1 and EN/IEC 60947-2. Operating at 50/60Hz, it delivers safe, fast disconnection in case of overloads or short circuits. The unit includes a toggle actuator, a VisiTrip fault indicator for instant circuit diagnosis, and a VisiSafe strip for full visual confirmation of isolation. Its 18mm compact body fits 2-pitch DIN rail configurations, allowing easy installation in modern panels. Rated for 500V insulation voltage and 6kV impulse withstand voltage, this breaker also supports IP20/IP40 protection class (in enclosure) and operates within a wide temperature range of -35°C to +70°C. It offers 20,000 mechanical cycles and 10,000 electrical cycles for long-lasting performance. Specifications (English): Model: NB1-63H Poles: 1P Rated Current [In]: 20A Curve Type: C Breaking Capacity: 10kA 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)