✅ CHINT NB1-63H C20 Miniature Circuit Breaker – 2P, 20A, C Curve, 10kA Breaking Capacity Description (English): The CHINT NB1-63H C20 is a double-pole miniature circuit breaker (MCB) tailored for dependable protection of dual-phase circuits in residential, commercial, and light industrial environments. With a rated current of 20A and a C curve tripping characteristic, it is suitable for moderate-load applications such as lighting groups, power sockets, and motorized systems. It features a high short-circuit breaking capacity of 10kA at 230V AC and conforms to EN/IEC 60898-1 and EN/IEC 60947-2, providing enhanced circuit protection against overloads and short circuits. The breaker is equipped with a manual toggle actuator, VisiTrip indicator for instant fault location, and a VisiSafe strip for clear confirmation of disconnection. The 36mm compact width (4-pitch) ensures quick mounting on standard DIN rails, optimizing space within control panels. Its rated insulation voltage is 500V, with a 6kV impulse withstand rating. Designed for long service life, it supports up to 20,000 mechanical operations and 10,000 electrical operations, with a reliable operating temperature range from -35°C to +70°C. Specifications (English): Model: NB1-63H Poles: 2P 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, 4 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)