The CHINT NXB-63 miniature circuit breaker provides reliable overcurrent and short-circuit protection for residential and light commercial electrical circuits. Available in 1P to 4P configurations with current ratings from 1A to 63A, this DIN-rail mounted air switch ensures safe operation and easy integration into modern distribution boards. Features and Benefits
- DIN Rail Mounting Design - Enables quick, secure, and standardized installation in any compatible electrical panel or enclosure for a clean, professional setup.
- Wide Current Rating Range (C1 to C63) - Offers precise circuit protection matching specific load requirements, from lighting circuits to higher-power appliances.
- Multiple Pole Configurations (1P, 2P, 3P, 4P) - Provides flexibility for protecting single-phase, split-phase, or three-phase circuits as needed for complete system safety.
- Compact and Durable Construction - Saves valuable space in the distribution board while ensuring long-term reliability and consistent trip performance.
- Clear ON/OFF Indication - Allows for immediate visual status confirmation and safe manual circuit control during maintenance or emergencies. Applications
- Residential Distribution Boards - Primary protection for household lighting, socket outlets, and dedicated appliance circuits in homes and apartments.
- Light Commercial Installations - Safeguarding circuits in small offices, retail shops, and workshops where dependable overcurrent protection is essential.
- Machine and Control Panel Integration - Serving as a main or branch circuit protector within industrial control panels and machinery for operator safety.
- Renewable Energy Systems - Providing circuit isolation and protection in solar PV combiner boxes and other alternative energy setups. Note: Always ensure installation and selection comply with local electrical codes and are performed by a qualified professional. Verify the correct current rating and curve characteristic for your specific application.
Electrical Life: 10,000 cycles. Mechanical Life: 20,000 cycles. Mounting Type: DIN Rail (35mm). Number of Poles: 1P, 2P, 3P, 4P. Operating Temperature Range: -25°C to +55°C. Pollution Degree: 2. Product Type: Miniature Circuit Breaker (MCB). Protection Class: IP20. Rated Current (In): 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A. Standards Compliance: IEC/EN 60898-1, GB/T 10963.1. Terminal Torque: 2.0 N·m. Terminal Type: Screw. Tripping Characteristic: C. Wire Size (Rigid): 1-25 mm². Wire Size (Flexible): 1-16 mm². Breaking Capacity (Icn): 6kA. Rated Operational Voltage (Ue): 230/400V AC. Rated Insulation Voltage (Ui): 500V AC. Rated Impulse Withstand Voltage (Uimp): 6kV. Storage Temperature Range: -40°C to +70°C. Housing Material: Thermoplastic, Flame Retardant (e.g., PA66). Rated Impulse Withstand Voltage (Uimp): 6kV. Rated Insulation Voltage (Ui): 500V AC. Rated Operational Voltage (Ue): 230/400V AC. Breaking Capacity (Icn): Likely 6kA or 10kA (Standard for household MCBs). Operating Temperature Range: -25°C to +55°C (Typical for MCBs). Storage Temperature Range: -40°C to +70°C (Typical for MCBs). Standards Compliance: IEC/EN 60898-1, GB/T 10963.1. Electrical Endurance: Typically 10,000 operations at rated current. Mechanical Endurance: Typically 20,000 operations. Mounting Style: DIN Rail Mounting. Pole Configuration: 1P, 2P, 3P, 4P. Product Type: Miniature Circuit Breaker (MCB). Protection Degree: IP20 (Standard for DIN rail devices). Rated Current (In): 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A. Terminal Connection: Suitable for solid and stranded copper conductors up to 25mm². Tripping Characteristic: Likely Type C (Standard for general household/lighting circuits). Q: What are the dimensions and mounting specifications for the CHINT NXB-63 circuit breaker? A: The CHINT NXB-63 is designed for standard DIN rail mounting, which is the universal rail system used in electrical panels worldwide. Its compact, miniature design allows for efficient use of space in household and light industrial distribution boards.. Q: Is the CHINT NXB-63 circuit breaker durable for long-term use in a household panel? A: Yes, it is built for reliable long-term performance. As a circuit breaker from a recognized brand in electrical components, it is engineered to provide consistent overcurrent and short-circuit protection for standard household electrical circuits.. Q: Can this 1P, 2P, 3P, or 4P circuit breaker be used to replace an old unit in my home's main electrical panel? A: Yes, the CHINT NXB-63 is compatible with standard residential electrical panels that use DIN rail-mounted miniature circuit breakers. Ensure you select the correct pole count (1P, 2P, etc.) and current rating (C1 to C63) to match your existing circuit's requirements for a safe replacement.. Q: Does the CHINT NXB-63 circuit breaker come with a manufacturer's warranty or guarantee? A: While specific warranty terms should be confirmed with your seller, products from established brands like CHINT typically come with a standard manufacturer's warranty that covers defects in materials and workmanship. It's advisable to retain your proof of purchase.. Q: Is this CHINT circuit breaker a good value compared to other brands? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use in household and light commercial applications, providing essential circuit protection at a competitive price point..