MCCB Mitsubishi 400A 630A 3 Pole AC400V

Product Description：

The Mitsubishi molded case circuit breaker 400A 3P is constructed with a 630-type flame-retardant outer shell. Its interior is designed with pure copper components and silver contacts, ensuring stable current conduction and low resistance, which effectively reduces heat generation and energy loss. Additionally, it incorporates a high-temperature-resistant arc extinguishing cover that efficiently quenches arcs, prevents their spread, and enhances safety performance. With a maximum current capacity of 630A, this product has undergone rigorous testing and certification, enabling reliable operation in harsh environments and ensuring a long service life.

Functional Features：

High Breaking Capacity: The circuit breaker is equipped with high breaking capacity, effectively cutting off short-circuit currents to protect circuits and equipment from damage.

Stable Current Conduction: The interior is designed with pure copper components and silver contacts, ensuring stable current conduction, reducing resistance, and minimizing heat generation and energy loss.

Excellent Arc Extinguishing Performance: Featuring a high-temperature-resistant arc extinguishing cover, it can quickly and effectively quench arcs, prevent arc spread, and enhance system operational safety.

Strong Protective Performance: The 630-type flame-retardant shell offers excellent high-temperature and fire-resistant properties, ensuring safe operation in harsh environments.

Long Service Life: The product undergoes stringent quality control and testing certification, ensuring high efficiency and reliability during long-term operation, thereby extending its service life.

Adaptability to Harsh Environments: Capable of normal operation in high humidity, high temperatures, and vibrating conditions, making it suitable for various industrial applications.

Ease of Installation and Maintenance: Designed with simplicity in installation and maintenance, allowing users to quickly install and perform routine upkeep.

Overload and Short-Circuit Protection: It can detect and interrupt overload and short-circuit currents, preventing circuit overloads and equipment damage.

Application Scenarios：

1.Industrial Power Distribution Systems

Used to protect critical equipment such as motors, transformers, and distribution cabinets.

2.Commercial Buildings

Ensures the safety of building power distribution systems, preventing accidents caused by overloads or short circuits.

3.Infrastructure

Suitable for high-reliability environments such as data centers, hospitals, and airports.

4.Residential Power Distribution  

Serves as a main switch or branch switch to safeguard household circuits.

Compliance Standards：

International Standard: IEC 60947-2

National Standard: GB 14048.2

Other Certifications: CE

Environmental Protection And Energy Efficiency：

Utilizing eco-friendly materials that comply with international environmental standards to minimize environmental impact.
Low-energy consumption design, reducing energy usage while maintaining performance.

Packaging And Transportation：

Packaging Method: Each unit is packaged in a cardboard boxwith an included product manual.

Transportation Method: Standard logistics transportation with moisture-proof and shock-proof handling.

Specification：