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MNS 0.4KV Drawer-Type Switchgear for Industrial and Civil Power Distribution Control

Drawer-type modular low-voltage switchgear, suitable for 0.4KV systems, usable as PC cabinet/MCC cabinet. Widely used in petrochemical, metallurgy, large shopping malls, office buildings and other scenarios to meet production line motor control and air conditioning/elevator power distribution needs.

Features:
1. Drawer-type structure, component maintenance and replacement without overall power failure, improving maintenance efficiency by over 50%.
2. Protection level IP4X, dust and splash-proof, suitable for dusty metallurgical and humid chemical workshops.
3. Maximum rated current 6300A, meeting high-load power demand of large production lines.
4. Rated short-time withstand current ≤100KA, strong short-circuit protection capability to ensure system stability.
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  • MNS

1. The structural design is suitable for diverse scenarios. Adopting a drawer-type structure, it is not only suitable for high-load power distribution needs in industrial production but also can meet the daily power distribution control of civil buildings. It can be flexibly switched to be used as a PC cabinet (power distribution center) or an MCC cabinet (motor control center) without the need for additional equipment replacement, reducing user investment costs.

2. It has outstanding current-carrying capacity, with a maximum rated current of up to 6300A, which can meet the power supply needs of high-current electrical equipment such as large motors and production lines in the industrial field, avoiding equipment operation limitations caused by insufficient current and ensuring stable production and domestic power consumption.

3. It has excellent short-circuit withstand performance, with a rated short-time withstand current of ≤100KA. When a short-circuit fault occurs in the power system, it can effectively withstand large current impacts, reduce the risk of equipment damage, provide reliable protection for the power distribution system, and reduce fault downtime.

4. It has reliable protection performance, with a protection level of IP4X, which can effectively block the intrusion of external dust and the impact of splashing water. Even in dusty and humid industrial environments such as petrochemical and metallurgy, it can maintain stable operation and extend the service life of the equipment.

5. It has a wide range of applicable industries. With stable performance and flexible configuration, it is widely used in industrial fields such as petrochemical, electric power, metallurgy, building materials, and civil buildings. It can meet the power distribution control needs of different industries and improve the versatility and market applicability of the equipment.


  1. Rated Voltage 0.4KV

  2. Rated Frequency 50Hz

  3. Rated Current ≤6300A

  4. Rated Short-Time Withstand Current (4s) ≤100KA

  5. Rated Insulation Withstand Voltage 2.5KV

  6. Cabinet Structure Drawer-type

  7. Protection Level IP4X

  8. Overall Dimension (WDH) 600/800/1000600/800/10002200 (mm)

  9. Applicable Scenarios Industrial occasions, civil buildings (can be used as PC cabinet/MCC cabinet)

1. Petrochemical industry: Used as an MCC cabinet for motor control in petrochemical production lines. Through stable current control and short-circuit protection, it ensures the continuous operation of key equipment such as oil pumps and reactors, avoiding chemical production interruptions or safety accidents caused by power failures.

2. Metallurgical industry: Used as a PC cabinet to distribute power to large equipment such as blast furnaces and rolling mills in metallurgical plants. Its high rated current and strong short-circuit withstand capacity can adapt to the high-load and high-impact power consumption characteristics in metallurgical production, ensuring the continuity of the metallurgical production process.


3. Large civil buildings: Applied in the power distribution system of shopping malls, office buildings and other civil buildings. As a PC cabinet, it realizes power distribution to equipment such as lighting, air conditioners and elevators. The drawer-type structure facilitates later maintenance, and IP4X protection ensures the stable operation of the equipment in crowded environments.


4. Building materials industry: Used for power distribution control in building materials enterprises such as cement plants and glass factories. As an MCC cabinet, it controls motor equipment such as crushers and conveyors. Its excellent protection performance can resist dust erosion in building materials production and ensure the long-term stable operation of the equipment.


Frequent Questions
  • 1. Is power-off required for maintenance of the drawer-type structure?
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    Power-off operation is recommended to ensure safety. Some designs that support hot swapping need to be operated in accordance with specifications.
  • 2. Can the overall dimensions be adjusted according to needs?
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    The standard dimensions are the given specifications. Special dimensions can be consulted for customization and need to match the equipment installation space.
  • 3. Is it suitable for dusty metallurgical workshops?
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    IP4X protection is dust-proof and suitable for metallurgical workshops, but it is necessary to regularly clean the dust outside the cabinet.
  • 4. How many motors can be controlled as an MCC cabinet?
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    It depends on the motor power and the specifications of the drawer unit, and the number of controls varies with different configurations.
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