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Chint NXB-63 Miniature Circuit Breaker (MCB)

Miniature Circuit Breaker (MCB) Chint NXB-63

Overview of Product NXB-63

MCB chint NXB Series

Since its launch, the NXB-63 Miniature Circuit Breaker series has quickly captured consumer interest due to its superior circuit protection capabilities. Designed as a miniature circuit breaker, this product specifically focuses on protecting electrical circuits from risks related to overload or short circuit. With advanced technology, the MCB NXB Series operates effectively in AC circuit with frequency of 50Hz or 60Hz, ensuring absolute safety for the electrical system.

Additionally, this device is designed for easy operation of switching on and off under normal conditions, providing convenience and flexibility in managing and maintaining the electrical system. The MCB NXB Series is not only a safe solution but also enhances energy use efficiency, making it the top choice for all electrical applications.

Main Functions of NXB-63 

NXB Series chuc nang

Chosen for installation in electrical circuit systems, MCB NXB Series ensure circuit breaking and isolation function. Moreover, this product also performs protection tasks. It will quickly detect and solve any issues that occur. MCB NXB Series will help us ensure peace of mind and safety when using them.

High Durability

In terms of durability, they are quite durable thanks to being made from high quality and good materials. Besides, they have a high ability to adapt to many different environments. Apart from environmental factors, they also have a very long lifespan. This is also a factor that helps users reduce the cost of buying new products, saving users more.

Advanced Manufacturing Standards of the NXB Series

The Chint NXB Series MCBs are manufactured according to the IEC60947-1 standard.

This standard means that MCB has very good quality, is durable and almost meets your requirements and is adaptable to almost all environments.

Operation Quality

They can quickly and timely detect issues of current: leakage, short circuit,... From there, they promptly provide remedies. They are a safe and excellent choice for their users.

Operation Parameters of NXB Series

The MCB NXB Series is manufactured with a large rated range from 63A to 125A. In addition, the operating voltage range of the equipment is also quite wide from 220V to 415V. Moreover, this type of circuit breaking equipment is also suitable for various types of electrical circuits such as 1P, 2P, 3P. They allow operation in many different electrical circuits, whether in residential or industrial electricity.

Specifications of the NXB-63

- Rated Current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A.
- Rated Voltage: 240V (1P+N), 415V (2 cực - 4 cực).
- Frequency: 50/60Hz.
- Thermal Magnetic Release: B, C, D type.
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P.
- Mechanical life: 10.000 cycles.
- Short-circuit breaking capacity: 6000A.
- Rated Impulse withstand voltage (Uimp): 4kV.
- Power consumption per pole of MCB:
  + 1-10A: 2W
  + 16-32A: 3.5W
  + 40-63A: 5W.

NXB Series thong so ky thuat

Dimensions of MCB Chint NXB-63

The NXB Series MCBs have the following dimensions:

Kich thuoc NXB Series

Additional Features

Many additional features can be achieved with various accessories when used with the circuit breaker, such as alerts, under-voltage protection,...

Typically, the maximum number of accessories that can be assembled on the circuit breaker is three.

Breaker accessories with independent tripping function should be assembled first, followed by other accessories, such as auxiliary contacts, alarm auxiliary contacts.

Advantages of MCB Chint NXB-63:

1. Protection Capability of The Product Series:

  • Overload protection: Breaking the circuit when the current exceeds the rated value for an extended period.

  • Short circuit protection: Immediately interrupting the circuit in the event of a short circuit, minimizing the risk of fire or explosion.

  • Leakage protection when problems occur (optional): Breaking the circuit when leakage current occurs, ensuring user safety.

2. Operation Performance:

  • High circuit breaking capability, stable and durable operation.

  • Energy-saving: Low power consumption.

  • High lifespan: Can operate continuously over long periods.

3. Design of Product:

  • Compact size, easy to install and use.

  • Simple structure, easy maintenance.

  • High-quality, fire-resistant, good insulating plastic case.

  • Modern design, suitable for many spaces.

4. Cost of Product:

  • Reasonable price, competitive compared to similar products.

  • Suitable for many customer groups.

5. Brand:

  • Chint is a reputable brand, well-known in the field of electrical equipment manufacturing.

  • Products are manufactured on modern lines, meeting international standards.

  • Good warranty policy, professional customer service.

How to Choose and Order the NXB-63 Series

The following information will help you choose the product and place an order accurately:

cach lua chon dong san pham NXB Series

Codes of the NXB-63 Series

Number of poles: 1 
NXB-63 1P D63 6kANXB-63H 1P C63 10kA
NXB-63 1P D6 6kANXB-63H 1P C6 10kA
NXB-63 1P D50 6kANXB-63H 1P C50 10kA
NXB-63 1P D40 6kANXB-63H 1P C40 10kA
NXB-63 1P D32 6kANXB-63H 1P C32 10kA
NXB-63 1P D25 6kANXB-63H 1P C25 10kA
NXB-63 1P D20 6kANXB-63H 1P C20 10kA
NXB-63 1P D16 6kANXB-63H 1P C16 10kA
NXB-63 1P D10 6kANXB-63H 1P C10 10kA
NXB-63 1P D63 6kANXB-125 1P D80
NXB-63 1P D6 6kANXB-125 1P D63
NXB-63 1P D50 6kANXB-125 1P D125
NXB-63 1P D40 6kANXB-125 1P D100
NXB-63 1P D32 6kANXB-125 1P C63
NXB-63 1P D25 6kANXB-63 1P C50 6kA
NXB-63 1P D20 6kANXB-125 1P C100 10ka
NXB-63 1P D16 6kANXB-125 1P C80 10ka
NXB-63 1P D10 6kANXB-63 1P C4 6ka
NXB-63 1P C3 6kANXB-63 1P C40 6kA
NXB-63 1P C40 6kANXB-63 1P C6 6kA
NXB-63 1P C32 6kANXB-63 1P C16 6kA
NXB-63 1P C25 6kANXB-63 1P C10 6kA
NXB-63 1P C20 6kANXB-63 1P C63 6kA

Number of poles: 2 
NXB-63H 2P C6 10kANXB-63 2P D63 6kA
NXB-63H 2P C6 10kANXB-63 2P D6 6kA
NXB-63H 2P C50 10kANXB-63 2P D50 6kA
NXB-63H 2P C32 10kANXB-63 2P D40 6kA
NXB-63H 2P C25 10kANXB-63 2P D32 6kA
NXB-63H 2P C20 10kANXB-63 2P D25 6kA
NXB-63H 2P C16 10kANXB-63 2P D20 6kA
NXB-63H 2P C10 10kANXB-63 2P D16 6kA
NXB-125 2P D80NXB-63 2P D10 6kA
NXB-125 2P D63NXB-125 2P C80 10ka
NXB-125 2P D125NXB-125 2P C100 10ka
NXB-125 2P D100NXB-125 2P C125 10ka
NXB-125 2P C63NXB-63 2P C2
NXB-63 2P C40 6kANXB-63 2P C16 6kA
NXB-63 2P C32 6kANXB-63 2P C10 6kA
NXB-63 2P C25 6kANXB-63 2P C63 6kA
NXB-63 2P C20 6kANXB-63 2P C50 6kA
 NXB-63 2P C6 6kA

Number of poles: 3 
NXB-63H 3P C63 10kANXB-63 3P D63 6kA
NXB-63H 3P C6 10kANXB-63 3P D6 6kA
NXB-63H 3P C50 10kANXB-63 3P D50 6kA
NXB-63H 3P C40 10kANXB-63 3P D40 6kA
NXB-63H 3P C32 10kANXB-63 3P D32 6kA
NXB-63H 3P C25 10kANXB-63 3P D25 6kA
NXB-63H 3P C20 10kANXB-63 3P D20 6kA
NXB-63H 3P C16 10kANXB-63 3P D16 6kA
NXB-63H 3P C10 10kANXB-63 3P D10 6kA
NXB-125 3P D80NXB-63 3P C40 6kA
NXB-125 3P D63NXB-63 3P C32 6kA
NXB-125 3P D125NXB-63 3P C25 6kA
NXB-125 3P D100NXB-63 3P C20 6kA
NXB-125 3P C63NXB-63 3P C16 6kA
NXB-63 3P C50 6kANXB-63 3P C10 6kA
NXB-63 3P C6 6kANXB-63 3P C63 6kA

Number of poles: 4 
NXB-63H 4P C63 10kANXB-63 4P D63 6kA
NXB-63H 4P C6 10kANXB-63 4P D6 6kA
NXB-63H 4P C50 10kANXB-63 4P D50 6kA
NXB-63H 4P C40 10kANXB-63 4P D40 6kA
NXB-63H 4P C32 10kANXB-63 4P D32 6kA
NXB-63H 4P C25 10kANXB-63 4P D25 6kA
NXB-63H 4P C20 10kANXB-63 4P D20 6kA
NXB-63H 4P C16 10kANXB-63 4P D16 6kA
NXB-63H 4P C10 10kANXB-63 4P D10 6kA
NXB-125 4P D80NXB-63 4P C6 6kA
NXB-125 4P D63NXB-63 4P C50 6kA
NXB-125 4P D125NXB-63 4P C20 6kA
NXB-125 4P D100NXB-63 4P C16 6kA
NXB-125 4P C63NXB-63 4P C10 6kA
NXB-63 4P C20NXB-63 4P C10
NXB-63 4P C25 6kANXB-63 4P C16
NXB-63 4P C32 6kANXB-63 4P C40 6kA
NXB-63 4P C63 6kANXB-125 4P C80
NXB-125 4P C125NXB-125 4P C125
NXB-125 4P C100NXB-125 4P C100

Catalog of MCB Chint NXB Series

Applications of the NXB-63 Series

- Protection function: The MCB NXB Series is used to protect the electrical system from the risk of overload. And they will automatically cut off the circuit when the current is overloaded and exceeds the safety limit.

MCB will automatically cut off the circuit when problems occur in order to prevent fires and protect equipment.

- Convenience and flexibility: The MCB NXB Series has relatively compact size and is easy to use. In addition, they can be installed and replaced quickly.