Product Overview
CHINT NXB-63 miniature circuit breaker is designed for distribution boards, panel protection, and general low-voltage applications. It covers multiple poles, current ratings, and curve options for practical project and distribution use.
Key Features
- Available in 1P, 2P, 3P, and 4P configurations
- Suitable for standard DIN rail installation
- Multiple current ratings for different protection needs
- Practical for distributor stock, panel assembly, and export supply
Typical Applications
- Low-voltage distribution boards
- Control panels and electrical cabinets
- Building electrical protection systems
- Light industrial and commercial circuits
Selection Guide
When choosing NXB-63, buyers normally confirm the pole number, current rating, trip curve, and application scenario. These factors directly affect product matching and quotation accuracy.
Frequently Asked Questions
Where is NXB-63 commonly used?
NXB-63 is commonly used in distribution boards, low-voltage panels, building electrical systems, and light industrial applications.
What should buyers confirm before ordering?
Buyers should confirm pole number, current rating, curve type, and the target application scenario.
Is NXB-63 suitable for wholesale and export supply?
Yes. It is a standard product family suitable for bulk distributor orders and export projects.
Request a Quote
Tell us the pole, current, curve, and target market, and we will recommend the right CHINT NXB-63 configuration for your project or distribution order.
Technical Specifications
Chint NXB-63 MCB 1P 2P 3P 4P 1A 2A 3A 4A 6A 10A 16A 20A 32A 40A 63A Curve B C D Chnt Miniature Circuit Breaker
Chint NXB-63 Miniature circuit breaker
1. Compliant standards
IEC60898-1
2. Compliant certification
CCC, CE
3. Major function
Overload protection, short circuit protection, positive isolation
4. Technical parameters
Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A;
Rated voltage: 220V~/230V~/240V ~ (1P, 1P+N), 380V~/400V~/415V ~ (2P, 3P, 3P+N, 4P);
Frequency: 50/60Hz;
Electromagnetic release type: B, C, D;
Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P;
Mechanical life: 20000 cycles;
Electrical life: 10000 cycles;
Rated short-circuit breaking capacity(Icn): 6000A;
Short-circuit breaking capacity (Ics): 6000A;
Rated impulse withstand voltage (Uimp): 4kV;
5. Dimensions and installation sizes
