Product Overview
High-Capacity Low-Voltage Draw-Out Switchgear from a Professional Factory in China
The low-voltage draw-out switchgear from MNS is designed for rigorous low-voltage distribution requirements, enabling ratings as high as 6300A and short-time withstand currents of 50kA or 80kA. The availability of standardised modules, replaceable functional units and adaptable assemblies turns it into a highly versatile solution suited to applications in power plants, data centres, petroleum processing facilities and large industrial enterprises.
Applications & circuit protection
Whenever it is necessary to have the combination of high capacity, flexibility, and safety in low voltage distribution, MNS switchgear is applied.
- Power generation plants: Distinctively powered distribution systems of considerable sizes.
- Data centres: High-intensity power distribution.
- Petro-chemical sector: Power supply for factory processes.
- Commercial establishments: Complexes and sky scrapers with many stories.
Construction & operating reliability
Standard modular design, interchangeable elements, and safety interlocks provide flexible and smooth operation with proper separation of functional blocks.
- Standard modular units to make assembling and expansion easy.
- Interchangeable functional blocks.
- Complies with IEC 61439 standards.
- Multiple safety interlocks to prevent incorrect operation.
- Efficient isolation between functional units.
Technical Parameter
| Parameter | Value |
| Rated voltage | AC 380 V / 660 V |
| Rated insulation voltage | 660 V / 1000 V |
| Rated current | Up to 6300 A |
| Short-time withstand current | 50 kA / 1s; 80 kA / 0.5s |
| Peak withstand current | 105 kA / 176 kA |
| Protection level | IP30 / IP40 (optional) |
| Functional units per cabinet | Up to 22 (depending on size) |
| Standard | IEC 61439 / GB 7251 |
Switchgear Price & Factory Quotation
The pricing of switchgear is determined by the arrangement of panels that restrict the electricity to a specific pathway. The manufacturer provides the price of low-voltage switchgear via its factory pricing list and provides special rates for distributors and bulk projects.
- Standard panels’ prices are based on current factory pricing list
- Custom busbars, relays or specially created layouts are priced according to the need
- FOB and CIF terms are available.
Switchgear Wiring & Cable Connection
The Low-Voltage Draw-Out Switchgear panel comes with busbars, cable connection points, and a wiring diagram. The incoming/outgoing cables connect to the clearly labelled terminals; the secondary wiring for protection and indication is prepared in advance and tested prior to delivery.
- Cable entries made as per approved layout
- Secondary wiring tested as per schematic
- Earthing bus and connection points provided
Compare Switchgear Configurations
Select the configuration that fits your project:
| Feature | This Panel | Alternative |
| Voltage | As specified | Other MV/LV classes available |
| Current | Per model | Higher or lower rated current |
| Mounting | Fixed / withdrawable per model | Ring main or feeder arrangement |
| Protection | Per project relay scheme | Custom protection functions |
| Best for | Distribution and control | Substation or industrial feeders |
Export Markets & Country Compatibility
Low-Voltage Draw-Out Switchgear is provided for industrial and distribution projects in Africa, Southeast Asia, South Asia, the Middle East and Latin America. The specific parameters of the switchgear panels are established — voltage, frequency and protection levels, to conform with the local requirements, that are also confirmed with the certification in accordance with the market of the use.
Panel Dimensions, Weight & Packing
The size and mass of a panel are determined by the design and rated current level; LV cabinets are commonly less than 1000 mm wide and less than 1000 mm deep as well as 1800-2200 mm tall whereas dimensions for MV are specified as per the switchgear scheme. The confirmed size and mass of the panel are indicated with the approval drawings; panels are shipped in upright position.
- The approval drawing specifies the size and mass
- The panels are shipped in upright position with busbar protection
- Lifting and shipment methods are confirmed with orders
Standards & certifications
MNS switchgear is manufactured in accordance with the stipulated regulations of IEC 61439 and GB 7251, hence MNS switchgear can be supplied with type-tested papers that are necessary for project approval.
- Standards: IEC 61439 and GB 7251.
- Type-test documentation is provided.
- Draw-out units are offered with safety interlocks.
- Documentation provided for project approval and certification.
OEM & B2B supply support
Being a reputed manufacture and supplier and power machineries, Subian Electric provides MNS Electricity supply and facility to industrial clients, contractors and distributors.
For customization or requirements contact with system parameters and required quantity.
- Samples and drawings available.
- Flexibility on quantity.
- Support for OEM and ODM.
- Custom marking and packing.
- Aid in technical documentation and certification.
Frequently Asked Questions
What is MNS switchgear?
MNS is a series of low-voltage draw-out switchgear which is utilized in a number of large power distribution applications.
What ratings are available?
Rated currents of 6300A, short-time withstand currents of either 50kA or 80kA are available.
What makes it flexible?
The flexible design allows a combination of standardized modules and interchangeable functional units.
Do you provide type tests?
We do type testing and routine testing and provide the necessary documents for approval.
