The CHINT NXB-63 miniature circuit breaker provides reliable overload and short-circuit protection for residential and light commercial electrical systems. This 1P AC 230/400V breaker features a Type C tripping characteristic, offering a precise balance between surge tolerance and safety with a wide current range from 6A to 125A for versatile circuit design. Features and Benefits
- Type C Tripping Curve (5-10x In) - Offers optimal protection for circuits with moderate inrush currents, such as those powering lighting and household appliances, preventing nuisance tripping.
- Wide Current Rating Range (6A to 125A) - Provides a single, versatile solution for protecting everything from individual lighting circuits to larger sub-main feeders.
- 230/400V AC Voltage Rating - Ensures compatibility with standard single-phase and three-phase electrical installations for broad application.
- DZ47 Design Standard - Built to a recognized international specification for reliable performance and consistent thermal-magnetic tripping action.
- Compact, DIN-Rail Mountable Design - Allows for easy, space-efficient installation in standard distribution boards and consumer units. Applications
- Residential Distribution Boards - Protect individual branch circuits for lighting, sockets, and domestic appliances in homes and apartments.
- Light Commercial Installations - Safeguard electrical circuits in offices, retail spaces, and small workshops from overloads and short circuits.
- Equipment Protection - Serve as a dedicated disconnect and protective device for individual machines or HVAC units in various settings.
Rated Short-Circuit Breaking Capacity (Icn): 6 kA. Rated Operational Voltage (Ue): 230/400V AC. Rated Insulation Voltage (Ui): 500V. Rated Impulse Withstand Voltage (Uimp): 4 kV. Storage Temperature Range: -40°C to +70°C. Electrical Endurance: 6000 cycles. Installation Altitude: ≤ 2000m. Mechanical Endurance: 20000 cycles. Mounting: DIN Rail (35mm). Mounting Width: 18mm. Number of Poles: 1P. Operating Temperature Range: -25°C to +55°C. Pollution Degree: 2. Product Name: CHINT NXB-63 Miniature Circuit Breaker. Product Series: DZ47. Rated Current (In): 6A, 10A, 16A, 20A, 25A, 32A, 40A, 63A, 80A, 100A, 125A. Standards Compliance: IEC/EN 60898-1, GB/T 10963.1. Terminal Torque: 2.5 N·m. Tripping Characteristic: Type C. Width (Modular): 18mm (Standard for 1P MCB). Rated Operational Voltage (Ue): 230V AC / 400V AC. Operating Temperature Range: -25°C to +55°C. Rated Short-Circuit Breaking Capacity (Icn): 6000A (Inferred for DZ47 series). Storage Temperature Range: -40°C to +70°C. Standards Compliance: IEC/EN 60898-1. Electrical Life: Minimum 10,000 operations. Mechanical Life: Minimum 20,000 operations. Mounting: DIN Rail Mountable (35mm symmetrical rail). Pole Configuration: 1P (Single Pole). Product Type: Miniature Circuit Breaker (MCB). Protection Degree (Enclosure): IP20. Rated Current (In): 6A, 10A, 16A, 20A, 25A, 32A, 40A, 63A, 80A, 100A, 125A. Terminal Connection: Suitable for conductors up to 35 mm² (Inferred for frame size). Torque for Terminal Screws: 2.0 - 2.5 Nm (Inferred standard). Tripping Characteristic: Type C. Q: What are the exact dimensions and specifications of the CHINT NXB-63 miniature circuit breaker? A: The CHINT NXB-63 is a 1-pole breaker rated for 230/400V AC. It is available in a wide range of current ratings from 6A up to 125A, with the common Type C trip curve for moderate inrush loads. This DZ47 type breaker is designed for standard DIN rail mounting.. Q: How durable and reliable is this CHINT circuit breaker for regular use? A: CHINT breakers are engineered for reliable performance and long service life. They are built with robust internal components to withstand repeated tripping and resetting, making them a dependable choice for protecting electrical circuits in various applications.. Q: Can I use this CHINT NXB-63 breaker to protect the power supply for my high-end RC car charging station? A: Yes, this is an excellent application. The Type C trip characteristic is well-suited for circuits with moderate inrush currents, like those from switch-mode power supplies used in RC chargers. Selecting the correct ampere rating (e.g., 16A or 20A) for your charger's load will provide safe overload protection.. Q: Does this product come with a manufacturer's warranty or guarantee? A: While warranty terms can vary by seller, CHINT is a recognized manufacturer in the electrical components industry. It is advisable to check the specific seller's listing for details on any included warranty or guarantee for the NXB-63 circuit breaker.. Q: Is the CHINT NXB-63 a good value compared to other circuit breakers? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use, providing essential circuit protection at a competitive price point for its specifications and current rating range..