- Telephone: +86-139-8977-9778
- Email: jack@toonice.com
- English
MNS
MNS Low-voltage switchgear cabinet
The MNS type low-voltage withdrawable switchgear is a high-end low-voltage complete distribution device designed by introducing advanced foreign technology and optimizing it according to the needs of domestic distribution scenarios. It is specially tailored for distribution systems with three-phase AC frequency of 50Hz, rated working voltage of 380V, 660V and below, and rated current of 4000A and below. This product is designed with the core principles of refinement, high reliability, strong flexibility, and easy scalability. The main structure is assembled with C-shaped steel and adopts a 25mm international standard installation module. It can flexibly combine various functional units such as pull-out and fixed partition, which can not only achieve power distribution and centralized control of electric motors, but also meet high-end needs such as reactive power compensation and intelligent monitoring. As a representative of high-end withdrawable switchgear, it has a precise structure, easy operation, and wide adaptability, and can be seamlessly compatible with similar products at home and abroad. It is the preferred equipment for high-end scenarios such as large-scale industrial, high-end civilian, and intelligent power distribution.
Features
1. Fine modular design, ultimate space utilization:
adopting a minimum module design of 1/4 unit, the drawer height module is 25mm, and a single cabinet can flexibly configure drawer units of different specifications. Up to 32 1/4 unit drawers can be installed. Compared with similar pull-out switchgear, the number of circuits is increased by more than 30% in the same occupied space, which can fully adapt to the fine and high-density distribution needs of high-end scene distribution rooms. At the same time, the interchangeability of drawer units meets international standards, and units of the same specifications can be seamlessly replaced, greatly improving operational efficiency.
2. Precise and reliable structure, excellent dynamic and thermal stability:
The horizontal busbar adopts a layered arrangement, with a scientifically reasonable layout. The rated short-time withstand current can reach 50-100kA/1s, and the peak withstand current can reach 105-220kA/1s, far exceeding conventional withdrawable switchgear and effectively withstanding extreme short-circuit current impact. Each functional room adopts a fully enclosed partition design, equipped with high-strength flame-retardant partitions, which can completely prevent the spread of faults. The protection level is usually IP40, which can be upgraded to IP54. It has outstanding dust-proof, waterproof, and anti misoperation performance, and the mechanical interlocking of drawer units is precise and reliable, comprehensively eliminating the risk of misoperation.
3. High flexibility in combination, suitable for high-end and diverse needs:
supports three combination methods: pull-out, fixed partition, and hybrid. It can flexibly assemble various functional units such as power distribution, motor control, reactive power compensation, and intelligent monitoring according to users’ high-end power distribution needs. The horizontal busbar can be expanded up to 6300A, and the rated current of the vertical busbar can reach 1600A. It can adapt to both small current precision control scenarios and high current distribution needs, covering high-end industrial, intelligent building and other diverse high-end scenarios. It can seamlessly integrate with various intelligent distribution systems.
4. The intelligent foundation is complete and the upgrade convenience is strong:
the drawer unit is equipped with sufficient secondary plugs and reserved with intelligent monitoring and remote control interfaces. It can seamlessly connect various intelligent sensors such as temperature, electricity, humidity, etc. without the need for large-scale transformation of the cabinet structure. With the communication module, it can achieve “four remote” functions such as remote signaling, telemetry, remote control, and remote adjustment, and the fault location efficiency is improved by more than 80%, perfectly adapting to high-end needs such as intelligent distribution and unmanned distribution rooms.
5. High end and excellent craftsmanship, long service life:
Imported high-precision CNC equipment is used for sheet metal processing, bending, and assembly. The precision error of frame assembly is controlled within ± 0.5mm, and the cabinet has strong rigidity and good sealing. The surface undergoes a triple anti-corrosion treatment of phosphating, electrostatic spraying, and high-temperature curing, resulting in a uniform and dense coating with excellent anti-corrosion, rust proof, and oil stain resistant properties. It can adapt to various complex and harsh environments. The core components are all selected from imported or top domestic well-known brands, with high matching accuracy and strong operational stability. The normal service life can reach more than 20 years, and the full life cycle operation and maintenance costs are controllable.
Production standards: Strictly follow domestic and foreign high-end standards such as IEC60439-1 “Low voltage switchgear and control equipment” and GB7251.1-2013 “Low voltage switchgear and control equipment – Part 1: Type testing and partial type testing equipment”, and refer to the original factory standards of introduced technology. Each product undergoes strict type testing, electrical performance testing, protection function verification, full cabinet withstand voltage testing and other factory inspections to ensure that the precision, electrical performance and safety performance meet the requirements of high-end distribution scene specifications.
Production process: Using imported high-precision CNC cutting, bending, and punching equipment, the sheet metal processing accuracy is high, and the splicing gap is small; The cabinet frame is assembled with C-shaped steel, which is firmly connected, easy to disassemble, and convenient for later expansion and renovation. The surface anti-corrosion treatment adopts advanced industrial technology, which sequentially goes through acid washing to remove oil, phosphating to form a film, water washing and drying, electrostatic spraying, and high-temperature curing. The coating has strong adhesion, scratch resistance, and anti-aging. The core components are selected from imported brands or top domestic brands, and the drawer unit connectors are gold-plated, with low contact resistance and low additional temperature rise, greatly improving operational stability and service life.
Customized service: Based on the actual needs of users for high-end power distribution, cabinet size, protection level, electrical scheme, drawer configuration, intelligent functions, and busbar specifications can be customized to meet the personalized needs of different high-end scenarios. Double sided operation cabinets can be customized to meet the high-density layout requirements of large distribution rooms. At the same time, we provide comprehensive pre-sales site survey, high-end solution design, in sales installation and debugging, after-sales technical guidance, component replacement, and intelligent upgrade one-stop services to ensure the long-term stable operation of products and meet the needs of high-end scene operation and maintenance.
Let’s Get Started
Providing you with the most trusted energy solutions in an unpredictable world.
Contact UsRequest an Insurance Quote
Specification
| 1. Electrical performance | |
| Rated Insulation Voltage | 660V(1000)V |
| Rated Operating Voltage | 380V,660V |
| Maximum Operating Current of Main Busbar | 5000A |
| Rated Withstand Current of Main Busbar | 100kA/1s |
| Rated Peak Withstand Current of Main Busbar | 220kA/1s |
| Maximum Operating Current of Distribution Busbar (Vertical Busbar) | 1000A |
| Peak Current of Distribution Busbar (Vertical Busbar) | – |
| – Standard Type | 105kA (Maximum)/0.1s |
| – Reinforced Type | 176kA (Maximum)/0.1s |
| 2. Protection Class | |
| Comply with IEC 529 and DIN 40050 standards. | |
| IP30 provides fixed protection against objects larger than φ2.5mm. | |
| IP40 provides fixed protection against objects larger than φ1.0mm. | |
| IP54 provides protection against dust and splashing water from any direction. | |
| (When ordering the IP54 protection class, consultation with the manufacturer is required.) |
Download
Related Products
FAQs
What is the core difference between MNS low-voltage switchgear and GCS, GGK switchgear?
All three are pull-out low-voltage switchgear, with core differences focused on technology sources, design accuracy, and scene emphasis: MNS optimizes the design by introducing advanced foreign technology, using a 25mm installation module and C-shaped steel frame, with a minimum drawer unit of 1/4 unit, capable of double-sided operation, focusing on refinement, high reliability, and suitable for high-end industrial, intelligent distribution, and other high-end scenarios; GCS is independently developed in China, using a 20mm installation module and an 8MF steel frame. The smallest drawer unit is 1/2 unit, and it is suitable for high current scenarios with outstanding cost-effectiveness; GGK is specialized for motor control, with high integration of control units and a focus on centralized control of industrial motors. Its level of refinement is lower than that of MNS.
What is the rated current range of MNS low-voltage switchgear and how much power can it be adapted for motor control?
The rated current of the horizontal busbar of this product is ≤ 4000A. After technological upgrades, it can adapt to a maximum current scenario of 6300A, and the rated current of the vertical busbar can reach 1600A. The rated current of the drawer unit circuit is ≤ 630A, and a single cabinet can support a maximum of 400kW motor control circuit. It can adapt to small current precision control scenarios, as well as high current distribution and high-power motor control requirements, and is suitable for various high-end industrial scenarios.
What is the safety of replacing drawer units of MNS low-voltage switchgear with electricity, and what are the exclusive protective measures?
The drawer unit supports safe hot swapping operations, enabling live replacement without interrupting the operation of the entire power distribution system. It is easy to maintain and has extremely high safety. Exclusive protective measures include: drawer units equipped with precise mechanical interlocks, which can only be inserted and removed when in the “test” position, to prevent load insertion and removal; The connector adopts gold plating technology, with reliable contact and no arc leakage during the insertion and removal process; Each functional room is fully enclosed and separated, which can prevent the spread of faults and ensure the safety of operators and equipment even if abnormalities occur during the insertion and removal process.
What is the maximum protection level of MNS low-voltage switchgear and what high-end harsh environments can it adapt to?
The protection level can be customized according to user needs, with a standard of IP40 and a maximum upgrade to IP54. It has good dust, water, and oil resistance performance. This product has undergone high-end anti-corrosion treatment and can adapt to high-end harsh environments such as petrochemicals, precision metallurgy, and marine platform auxiliary power distribution. It can effectively resist interference such as moisture, dust, slight corrosion, salt spray, etc., ensuring the precise operation of electrical components and meeting the strict requirements for equipment stability in high-end scenarios.
What are the advantages of the intelligent upgrade of MNS low-voltage switchgear compared to other switchgear?
Compared to other switchgear, its intelligent upgrade advantages are more prominent: firstly, it reserves standardized intelligent interfaces, which do not require modification of the cabinet structure and can directly connect to various intelligent distribution systems, making upgrades convenient; Secondly, it supports the “four remote” function, which far exceeds the “three remote” function of conventional switchgear and can achieve remote parameter adjustment, adapting to unmanned scenarios; Thirdly, intelligent monitoring has high accuracy, which can monitor the temperature, current, voltage and other parameters of drawer units and busbars in real time, warn of faults in advance, and significantly reduce the occurrence rate of faults; Fourthly, it can be seamlessly compatible with imported intelligent components and adapt to the diversified needs of high-end intelligent distribution scenarios.
Related Applications
Industrial plant power distribution system: As a specialized energy-saving equipment for low-voltage power distribution in industrial plants, it is suitable for various small and medium-sized industrial plants such as mechanical processing, light industry manufacturing, furniture production, etc. It is used to compensate for the reactive power generated by the operation of production equipment and optimize the power factor of the power distribution system. The production equipment in industrial plants is mostly inductive load with high reactive power loss. GGJ switchgear can accurately and dynamically compensate, reduce line energy loss and transformer loss, and improve the stability of equipment power supply voltage, avoiding the decrease in production equipment efficiency caused by low voltage and helping the plant achieve energy conservation and consumption reduction.
Distribution of commercial complexes and supermarkets: Suitable for low-voltage distribution systems in commercial complexes such as shopping malls, supermarkets, and shopping centers, used to compensate for reactive power generated by air conditioning, elevators, lighting, refrigeration equipment, etc. Commercial complexes have dense loads and high electricity consumption, and the load dynamically adjusts with changes in passenger flow. GGJ switchgear can automatically adjust compensation capacity according to load changes, effectively improving the power supply efficiency of the distribution system, reducing the overall electricity cost of the mall, while ensuring the stable operation of core equipment such as air conditioning and elevators, and enhancing the commercial operation experience.
Residential community power distribution system: adapted to the low-voltage distribution room of residential communities, used to compensate for the reactive power generated by public facilities such as elevators, water pumps, lighting, charging piles, and residential electricity in the community. The electricity load of residential communities has the characteristic of large differences between peak and valley. The rush hour in the morning and evening is the peak electricity consumption period, and the late night is the low electricity consumption period. The GGJ switchgear can dynamically switch the compensation module according to the changes in peak and valley loads to avoid overcompensation or undercompensation, improve the power supply efficiency of the community’s distribution network, reduce power line losses, and ensure stable power supply to public facilities in the community.
Municipal public venue power distribution: Used for low-voltage power distribution systems in public venues such as sports halls, libraries, municipal office buildings, hospitals, etc., as dedicated reactive power compensation equipment, to ensure that the power factor of the venue power distribution system meets the standard. Public venues have extremely high requirements for power supply stability and safety. GGJ switchgear is equipped with multiple protection devices, which can effectively avoid abnormal working conditions such as overvoltage, undervoltage, and overcurrent. At the same time, precise reactive power compensation can improve the quality of power supply voltage and ensure the stable operation of core facilities such as lighting, air conditioning, medical equipment, and office equipment in the venue.
Distribution of Logistics Warehousing and Cold Chain Distribution Centers: Suitable for low-voltage distribution systems in logistics warehousing parks and cold chain distribution centers, used to compensate for reactive power generated by equipment such as shelf lighting, conveying equipment, refrigeration units, forklift charging stations, etc. The logistics warehousing and cold chain center has multiple electrical equipment and long load duration. The refrigeration unit is a typical inductive load with significant reactive power loss. The GGJ switchgear can achieve precise compensation of reactive power, reduce power loss in the distribution system, and improve the power supply stability of the refrigeration unit, ensuring constant temperature in the cold chain warehousing and helping the logistics warehousing center achieve energy-saving operation.
