CHINT NXBLE-40-C32

CHINT NXBLE-40-C32 is a residual current operated circuit breaker (RCCB). The following is its detailed introduction:  

Specifications and Parameters  

- **Rated Current**: C32 indicates that the rated current of this circuit breaker is 32A, suitable for circuits where the load current does not exceed 32A.  chint AC contactor NC8-65 220V

- **Pole Number**: Usually 1P+N, meaning one live wire and one neutral wire, which can cut off both the live and neutral wires simultaneously to improve power safety.  

- **Residual Operating Current**: Generally 30mA. When the leakage current in the circuit reaches or exceeds 30mA, the circuit breaker will act quickly to cut off the circuit, protecting personnel and equipment safety.  

- **Breaking Capacity**: Up to 4.5kA, which can quickly cut off the circuit and interrupt fault current in case of faults such as short circuits, protecting the line and equipment from damage.  

- **Rated Voltage**: Suitable for circuits with alternating current 50Hz and rated voltage 230V.  

Product Features  

- **Overload Protection**: When the current in the circuit exceeds the rated current, the circuit breaker will automatically cut off the circuit within a certain time according to the magnitude of the overload current to prevent the line and equipment from damage due to overload.  

- **Short-Circuit Protection**: Once a short-circuit fault occurs in the circuit, the circuit breaker can detect the short-circuit current within an extremely short time (usually within milliseconds) and quickly cut off the circuit to avoid serious damage to the line and equipment by the short-circuit current.  

- **Leakage Protection**: It real-time monitors the residual current in the circuit. When the leakage current reaches the residual operating current value (30mA), the circuit breaker will act immediately to cut off the power supply, preventing accidents such as electric shock and electrical fires.  

- **Isolation Function**: In the off state of the circuit breaker, it can completely isolate the circuit from the power supply, providing a clear disconnection point for easy maintenance and repair of the circuit.  

- **Compact Size**: Adopting a compact design, it is relatively small in size, occupies less space, and is easy to install in distribution boxes or switch boxes.  

- **Rail Mounting**: Equipped with standard rail mounting clips, it can be easily installed on a 35mm standard rail, making installation and disassembly very convenient for construction and maintenance.  

Application Scenarios  

- **Civil Residences**: It can be used in home distribution boxes to protect home circuits against overload, short circuit, and leakage, ensuring home power safety, such as the circuit protection of living rooms, bedrooms, kitchens, bathrooms, and other rooms.  

- **Commercial Places**: In commercial places such as small shops and offices, it is used to protect the power safety of lighting circuits, socket circuits, and various small electrical equipment.  

- **Industrial Field**: For the local circuits of some small industrial equipment or workshops, it can provide basic overload, short-circuit, and leakage protection to ensure the power safety in the industrial production process.  

Which is better, CHINT NXBLE-40-C32 or CHINT NM1LE-400S/3300?  

CHINT NXBLE-40-C32 and CHINT NM1LE-400S/3300 are two different types of residual current operated circuit breakers, each with its own characteristics and suitable for different scenarios. It is impossible to simply judge which is better. The following are their main differences:  

 Specifications and Parameters  

- **Rated Current**: The rated current of NXBLE-40-C32 is 32A, while the frame current of NM1LE-400S/3300 is 400A, and the rated current can be selected within a certain range, such as 250A, etc.  

- **Pole Number**: NXBLE-40-C32 is usually 1P+N, and NM1LE-400S/3300 is three-pole (3P).  

- **Residual Operating Current**: NXBLE-40-C32 is generally 30mA, and NM1LE-400S/3300 may have multiple choices of residual operating current, such as 100mA, 200mA, 300mA, etc.  

- **Breaking Capacity**: The breaking capacity of NXBLE-40-C32 is 4.5kA, and the breaking capacity of NM1LE-400S/3300 is relatively high, up to about 50kA.  

Product Features  

- **NXBLE-40-C32**: It is compact and easy to install in small distribution boxes or switch boxes; it has overload, short-circuit, and leakage protection functions, which can provide basic power safety protection; it is relatively low in price and suitable for general power protection in homes and small commercial places.  

- **NM1LE-400S/3300**: Adopting a plastic case structure, it has good protection performance; it has a high breaking capacity, which can quickly cut off large current in case of faults such as short circuits to protect the line and equipment; it can be equipped with accessories such as alarm contacts, shunt trip devices, undervoltage trip devices, etc., to achieve more control and protection functions; it is suitable for occasions with high requirements for circuit breaker performance such as industrial places and large commercial buildings.  

 Application Scenarios  

- **NXBLE-40-C32**: It is mainly suitable for the protection of lighting, sockets, and other circuits in homes, small shops, offices, and other places with alternating current 50Hz and rated voltage 230V, which can prevent overload, short circuit, and leakage accidents.  

- **NM1LE-400S/3300**: It is suitable for circuits with alternating current 50Hz, rated voltage up to 400V, and rated current from 16A to 800A, such as the distribution rooms and distribution boxes of industrial enterprises, the electrical shafts of large commercial buildings, and some places with high requirements for power supply reliability and safety, used to distribute electric energy and protect the line and power equipment from overload, short circuit, undervoltage, and other faults.  

If it is for general power protection in homes or small commercial places, NXBLE-40-C32 can usually meet the needs, and it has the advantages of small size and low price. For industrial places or large commercial buildings with high requirements for circuit breaker performance, NM1LE-400S/3300 should be selected. Its high breaking capacity, multiple accessory functions, and large rated current can better ensure the safe and stable operation of the electrical system.