The CHINT NXB-125 125A Miniature Circuit Breaker (MCB) is a high-performance protection device engineered for demanding electrical environments. Designed to handle high current loads, it provides reliable protection against overload and short circuit conditions, ensuring safe and efficient system operation.
With a rated current of 125A and support for up to 400V AC systems, this breaker is suitable for industrial panels, commercial buildings, and heavy-duty residential installations. It is available in multiple pole configurations (1P, 2P, 3P, 4P), offering flexibility for different system requirements.
One of its key advantages is its high breaking capacity of up to 10kA, allowing it to safely interrupt high fault currents and protect connected equipment from serious damage. This makes it ideal for applications where electrical loads are high and fault levels are significant.
The breaker features a thermal-magnetic trip mechanism, ensuring fast and accurate disconnection during abnormal conditions. It also provides positive isolation, enhancing safety during maintenance and system servicing.
Manufactured according to IEC/EN 60947-2 standards, the NXB-125 ensures long-term durability, reliability, and compliance with international safety requirements. It offers a mechanical life of up to 20,000 operations, making it a dependable choice for continuous use.
Its compact design supports DIN rail mounting, allowing easy installation in distribution boards. Whether used in industrial machinery, commercial power systems, or high-load residential setups, the CHINT NXB-125 delivers strong performance and dependable protection.
Key Features:
Rated current: 125A for high-load applications
Voltage rating: up to 400V AC
High breaking capacity: 10kA
Available in 1P, 2P, 3P, and 4P configurations
Thermal-magnetic trip mechanism
Protection against overload and short circuit
Positive isolation for enhanced safety
Mechanical life up to 20,000 cycles
DIN rail mounting for easy installation
Complies with IEC/EN 60947-2 standards
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