The Custom 380V 660V Low-Voltage Switchgear can be configured according to the electrical system, load requirements, installation environment, and project specifications. The following parameters are typical reference values; final ratings are confirmed during engineering design.

Main Electrical Configuration

Incoming Section

• ACB or MCCB
• Current transformer
• Multifunction power meter
• Protection relay
• Surge protection device
• Voltage/current monitoring

Busbar Section

• Main horizontal busbar
• Vertical distribution busbar
• Neutral busbar
• Protective earth busbar
• Copper or aluminum conductor options

Outgoing Section

• MCCB/MCB feeders
• Motor feeders
• Capacitor compensation feeders
• Lighting and auxiliary feeders
• Transformer feeders
• Generator feeders
• Solar PV/BESS feeders

Typical Configuration

For a typical 380V/660V industrial power distribution system, the switchgear can be configured as:

Incoming ACB → Main Busbar → Bus Coupler → Outgoing MCCB/MCB Feeders → Motors / Transformers / Production Equipment

The final rated current, short-circuit withstand level, busbar size, breaker specifications and cabinet dimensions should be determined from the Single Line Diagram (SLD), load list and project short-circuit calculation, rather than from the 380V/660V system voltage alone. IEC 61439-1/-2 specifies the relevant requirements and verification framework for low-voltage assemblies.

The 380V/660V Low-Voltage Switchgear can be customized according to the project's electrical design, load requirements, installation environment, and local standards.

Electrical Configuration

The switchgear can be designed around the customer's Single Line Diagram (SLD) and load list. The manufacturer can customize the number and arrangement of incoming feeders, bus couplers, outgoing feeders, motor control units, metering sections, and auxiliary circuits.

Component Brands

Depending on the project budget and technical specification, the switchgear can accommodate internationally recognized or locally approved components, such as:

• Circuit breakers
• Contactors
• Relays
• Meters
• CTs
• Protection devices
• PLCs
• VFDs
• Communication modules

Component brands and models can be specified by the customer or selected by the manufacturer according to the project requirements.

EPC Project Customization

For EPC and overseas projects, the switchgear can be customized based on:

• Project SLD
• Load list
• Technical specifications
• Local electrical standards
• Utility requirements
• Installation conditions
• Required protection functions
• Short-circuit level
• Cable arrangement
• Site dimensions
• Delivery requirements

Recommended information for customization:
Rated Voltage + Rated Current + Frequency + Short-Circuit Level + SLD + Feeder List + IP Rating + Internal Separation + Installation Environment + Applicable Standard.

The Custom 380V 660V Low-Voltage Switchgear is professionally packed according to the cabinet dimensions, weight, transportation method, destination, and project requirements. The packing process is designed to protect the switchgear, electrical components, painted surfaces, and internal connections during long-distance international transportation.

1. Pre-Shipment Inspection

Before packing, each switchgear assembly is inspected to confirm:

• Cabinet dimensions and quantity
• Main and branch circuit configuration
• Breaker installation
• Busbar installation
• Internal wiring
• Mechanical operation
• Electrical connections
• Nameplate information
• Accessories and spare parts
• Factory test results

The packing list and shipping documents are checked against the final approved configuration before shipment.

2. Internal Protection

Sensitive components are protected before the cabinet is sealed.

Typical protection measures include:

• Protective film on painted surfaces
• Plastic or foam protection for meters and control components
• Insulation protection for exposed electrical parts
• Secured doors and movable components
• Protection of circuit breaker operating mechanisms
• Anti-moisture materials inside the cabinet
• Separation of loose accessories and spare parts

For withdrawable switchgear, drawer units and removable components can be secured separately to prevent movement during transportation.

3. Moisture Protection

For overseas sea transportation, additional moisture protection can be provided.

Typical measures include:

• Waterproof plastic film
• Desiccant
• Moisture-proof packaging
• Sealed inner protection
• Vacuum or sealed packaging when required

This is particularly important for shipments exposed to high humidity, long transit times, or tropical climates.

4. External Packaging

The standard export packing can include:

Electrical Switchgear → Protective Film → Moisture Protection → Shock-Absorbing Material → Export Wooden Case / Wooden Frame → External Marking

Heavy switchgear cabinets are reinforced to reduce the risk of movement, impact, or deformation during loading and unloading.

5. Export Wooden Case

For international shipments, suitable export-grade wooden packaging can be used according to the transportation requirements.

The wooden case can provide protection against:

• Impact
• Dust
• Moisture
• Scratches
• Loading and unloading damage
• Long-distance transportation conditions

Wooden packaging for international shipments can be prepared in accordance with applicable phytosanitary requirements, including ISPM 15 where required by the destination country.

6. Container Loading

Depending on cabinet dimensions and shipment quantity, the switchgear can be arranged for:

• 20ft container
• 40ft container
• 40HQ container
• LCL shipment
• FCL shipment

The loading arrangement is planned according to cabinet dimensions and weight to maximize container utilization while maintaining safe handling.

Heavy cabinets are positioned and secured appropriately to minimize movement during transportation.

7. Shipping Methods

We can support different international transportation methods:

Sea Freight
Suitable for large EPC projects and multiple switchgear cabinets.

Air Freight
Available for urgent shipments or small quantities.

Truck Transportation
Suitable for inland transportation from the factory to the port or designated project location.

Multimodal Transportation
Sea + truck or other combinations can be arranged according to the destination and project requirements.

8. Shipping Documents

Depending on the contract and destination country, shipping documentation can include:

• Commercial Invoice
• Packing List
• Bill of Lading
• Certificate of Origin
• Factory Test Report
• Inspection Report
• Product Datasheet
• Installation Manual
• Operation & Maintenance Manual
• Warranty Documents
• Certificate of Conformity, if required
• Other project-specific documents

9. Customer-Specified Packing

For EPC projects, the packing method can be customized according to:

• Destination country
• Transportation method
• Container requirements
• Project packaging specification
• Storage period
• Site conditions
• Climate conditions
• Lifting requirements
• Customer labeling requirements

Cabinets can also be marked with cabinet number, project number, lifting position, installation position, weight, dimensions, and handling instructions to facilitate identification and installation at the project site.

10. Project Delivery

Before shipment, the customer can receive relevant shipping information such as:

• Final packing list
• Number of packages
• Package dimensions
• Gross / net weight
• Container loading information
• Product photos
• Packing photos
• Shipping documents

For EPC projects, switchgear can be packed and labeled according to the approved cabinet layout and project installation sequence, helping the site team identify and install each cabinet more efficiently.

The Custom 380V 660V Low-Voltage Switchgear undergoes comprehensive inspection and testing before delivery to verify electrical performance, mechanical operation, wiring accuracy, and overall assembly quality. Testing is carried out according to the approved technical specifications, drawings, and applicable IEC 61439 requirements.

1. Visual and Construction Inspection

The complete switchgear assembly is inspected for:

• Cabinet dimensions and construction
• Surface finish and coating quality
• Door and panel installation
• Component arrangement
• Busbar installation
• Insulation and clearance
• Cable routing
• Terminal identification
• Nameplate information
• Warning labels and safety markings

The actual assembly is checked against the approved General Arrangement Drawing, Single Line Diagram, and wiring diagrams.

2. Mechanical Operation Test

Mechanical components are checked to ensure reliable operation.

Testing may include:

• Circuit breaker ON/OFF operation
• Drawer insertion and withdrawal
• Mechanical interlocks
• Door locking mechanism
• Breaker racking mechanism
• Operating handles
• Busbar compartment access
• Functional unit positioning

Withdrawable units are checked for correct operating positions, including service, test, and isolated positions where applicable.

3. Electrical Connection Inspection

All internal electrical connections are checked before energization.

Inspection includes:

• Main circuit wiring
• Control circuit wiring
• Terminal connections
• Breaker connections
• CT wiring
• Metering circuits
• Protection circuits
• Grounding connections
• Neutral connections
• Auxiliary circuits

Terminal numbers and cable identification are verified against the approved wiring diagrams.

4. Protective Circuit Continuity Test

The protective earthing circuit is inspected to confirm continuity between exposed conductive parts and the protective earth system.

The test helps verify that the cabinet structure, doors, panels, and other relevant conductive components are properly connected to the protective circuit.

5. Insulation Resistance Test

Insulation resistance is tested between relevant electrical circuits and between live conductors and earth.

The test helps identify:

• Insulation damage
• Wiring problems
• Contamination
• Incorrect connections
• Potential leakage paths

The test voltage and acceptance criteria are selected according to the applicable product standard and project requirements.

6. Power-Frequency Withstand Test

A dielectric withstand test can be performed to verify the insulation capability of the completed assembly.

The test helps confirm that the switchgear can withstand the specified power-frequency test voltage without:

• Insulation breakdown
• Flashover
• Electrical discharge
• Abnormal leakage

The test parameters are determined according to the applicable IEC requirements and rated insulation characteristics.

7. Functional Test

Control and protection functions are tested according to the approved electrical design.

Typical checks include:

• Breaker control
• Local/remote control
• Electrical interlocking
• Bus coupler operation
• Alarm circuits
• Indicator lights
• Metering
• Protection relay signals
• Emergency stop circuits
• ATS functions, if equipped
• PLC control, if equipped

8. Protection Device Test

Protection devices are checked to ensure correct configuration and operation.

Depending on the project, testing may cover:

• Overcurrent protection
• Short-circuit protection
• Earth-fault protection
• Overload protection
• Undervoltage protection
• Overvoltage protection
• Motor protection
• Surge protection

Protection settings are verified against the approved protection coordination requirements.

9. Metering and Monitoring Test

Where multifunction meters or monitoring systems are installed, the manufacturer can verify:

• Voltage measurement
• Current measurement
• Active power
• Reactive power
• Power factor
• Frequency
• Energy measurement
• Communication functions
• RS485 / Modbus communication

10. Busbar and Connection Inspection

The main and distribution busbars are checked for:

• Correct size and configuration
• Phase identification
• Connection tightness
• Insulation condition
• Support installation
• Phase-to-phase clearance
• Phase-to-earth clearance

Special attention is given to bolted connections and busbar joints.

11. Factory Routine Verification

For low-voltage assemblies covered by IEC 61439, routine verification is performed on each completed assembly to confirm that the manufactured switchgear complies with the specified design and construction requirements.

Typical verification areas include:

• Enclosure and mechanical construction
• Protective circuits
• Internal electrical connections
• Dielectric properties
• Wiring and functional performance

12. Test Documentation

After testing, relevant test records can be provided according to the project requirements, including:

• Factory Test Report
• Routine Verification Record
• Insulation Test Record
• Dielectric Test Record
• Functional Test Record
• Protection Setting Record
• Inspection Checklist
• Final Inspection Report

For EPC projects, test documentation can be prepared according to the customer's ITP, inspection requirements, approved drawings, and project specifications.

Manufacturer Testing Process

Incoming Component Inspection
↓
Assembly Inspection
↓
Mechanical Operation Test
↓
Wiring & Connection Inspection
↓
Protective Circuit Test
↓
Insulation Resistance Test
↓
Dielectric Withstand Test
↓
Functional & Protection Test
↓
Final Inspection
↓
Test Report & Release for Shipment

Note: Routine tests are performed on the completed assembly. Design verification and project-specific performance verification are handled according to the applicable IEC 61439-1 / IEC 61439-2 requirements and the agreed technical specification.

Each Custom 380V 660V Low-Voltage Switchgear is subjected to routine testing before shipment to verify that the completed assembly has been correctly manufactured, wired, assembled, and tested according to the approved technical documents and applicable IEC 61439-1 / IEC 61439-2 requirements.

1. General Construction Inspection

The finished switchgear is inspected against the approved drawings and technical specifications.

The inspection includes:

• Cabinet dimensions and layout
• Component installation
• Internal compartment arrangement
• Busbar configuration
• Circuit breaker ratings
• Cable entry arrangement
• Nameplates and labels
• Warning signs
• Protective covers
• Internal separation
• Enclosure condition

2. Mechanical Operation Test

All mechanically operated components are checked for smooth and reliable operation.

Testing includes:

• Circuit breaker ON/OFF operation
• Switch disconnector operation
• Drawer insertion and withdrawal
• Door opening and closing
• Mechanical interlocks
• Electrical/mechanical locking mechanisms
• Breaker racking mechanism
• Functional unit positioning

For withdrawable switchgear, the operating positions are checked according to the specified configuration.

3. Protective Circuit Continuity

The protective circuit is checked to ensure reliable electrical continuity between exposed conductive parts and the protective earth system.

The inspection covers:

• Cabinet frame
• Doors
• Removable panels
• Metal partitions
• Protective earth busbar
• PE/PEN connections

This test helps ensure proper grounding continuity and operator safety.

4. Wiring and Connection Verification

All internal wiring and electrical connections are checked against the approved electrical drawings.

Inspection includes:

• Main circuit wiring
• Control circuit wiring
• Terminal blocks
• Breaker connections
• CT connections
• Metering circuits
• Protection relay circuits
• Auxiliary power circuits
• PLC/control wiring
• Communication wiring

Wire numbers, terminal numbers and cable identification are also checked.

5. Insulation Resistance Test

Insulation resistance is tested between relevant live conductors and between live circuits and earth.

The test is intended to identify potential:

• Insulation damage
• Incorrect wiring
• Short circuits
• Leakage paths
• Contamination or moisture problems

The test voltage and acceptance criteria are selected according to the applicable standard and project requirements.

6. Dielectric Withstand Test

A power-frequency withstand test is performed where required to verify the dielectric strength of the completed assembly.

The test checks the insulation system for abnormal:

• Breakdown
• Flashover
• Electrical discharge
• Leakage

The test voltage and duration are determined according to the applicable IEC requirements and the rated insulation characteristics of the switchgear.

7. Clearance and Creepage Inspection

Relevant electrical clearances and creepage distances are inspected to ensure that the completed assembly complies with the required insulation coordination.

Inspection areas include:

• Phase-to-phase clearance
• Phase-to-earth clearance
• Busbar sections
• Circuit breaker connections
• Terminal areas
• Control circuits

8. Component and Rating Verification

The installed components are checked against the approved Bill of Materials and technical specification.

Typical items include:

• ACB
• MCCB
• MCB
• Contactors
• Relays
• Current transformers
• Power meters
• Protection relays
• Surge protection devices
• Capacitors
• VFDs
• PLCs

The following information is verified where applicable:

• Manufacturer
• Model
• Rated voltage
• Rated current
• Breaking capacity
• Protection settings
• Quantity

9. Functional Operation Test

The complete control system is tested to verify correct operation.

Typical tests include:

• Local control
• Remote control
• Breaker trip operation
• Alarm indication
• Status indication
• Electrical interlocking
• Bus coupler operation
• Emergency stop
• Automatic transfer operation
• Motor feeder control
• PLC logic
• Communication functions

10. Metering and Indication Test

Installed measuring and indication devices are checked for correct wiring and operation.

Depending on configuration:

• Ammeter
• Voltmeter
• Multifunction power meter
• Energy meter
• Frequency meter
• Power factor meter
• Indicator lamps
• Digital display
• Alarm indicators

Communication interfaces such as RS485/Modbus can also be checked when included in the project specification.

11. Protection Function Verification

Protection devices are inspected and, where required, functionally tested according to the approved protection settings.

Possible functions include:

• Overcurrent protection
• Short-circuit protection
• Earth-fault protection
• Overload protection
• Undervoltage protection
• Overvoltage protection
• Motor protection

Protection settings are checked against the approved coordination study or customer requirements.

12. Busbar Inspection

The busbar system is inspected for:

• Correct phase sequence
• Busbar size
• Material
• Joint connections
• Support installation
• Insulation
• Phase identification
• Connection tightness
• PE/N busbar arrangement

The actual busbar configuration is checked against the approved drawings.

13. Label and Identification Inspection

The manufacturer verifies that all required identification marks are correctly installed.

This may include:

• Cabinet number
• Feeder number
• Circuit identification
• Component labels
• Warning labels
• Phase identification
• Terminal markings
• Nameplate
• Customer/project identification

14. Final Visual Inspection

A final inspection is performed before the switchgear is released for packing.

The manufacturer checks:

• Overall appearance
• Paint and coating
• Door alignment
• Component installation
• Wiring arrangement
• Busbar condition
• Internal cleanliness
• Fasteners
• Labels
• Accessories
• Spare parts

15. Routine Test Records

A Routine Test Report can be provided for each completed switchgear assembly.

Typical records include:

• Visual inspection results
• Mechanical operation results
• Protective circuit continuity results
• Insulation resistance results
• Dielectric test results
• Wiring verification
• Functional test results
• Protection settings
• Metering verification
• Final inspection results

Routine Testing Flow

Visual Inspection
↓
Mechanical Operation Test
↓
Protective Circuit Continuity Test
↓
Wiring & Connection Verification
↓
Insulation Resistance Test
↓
Dielectric Withstand Test
↓
Functional & Protection Test
↓
Metering & Communication Test
↓
Final Inspection
↓
Routine Test Report

For EPC projects, the routine testing procedure can be aligned with the approved Inspection & Test Plan (ITP), customer specifications, approved drawings and IEC 61439 requirements. This provides traceable quality records before the switchgear is packed and shipped.

The Custom 380V 660V Low-Voltage Switchgear is designed for low-voltage power distribution, electrical protection, motor control, and energy management. With flexible configurations and customized electrical components, it can be adapted to different industrial, commercial, infrastructure, and energy projects.

1. Industrial Manufacturing Plants

Low-voltage switchgear is used as the main power distribution equipment in manufacturing facilities.

Typical applications include:

• Production lines
• Machinery power supply
• Motor control
• Factory lighting
• HVAC systems
• Pumps and compressors
• Auxiliary electrical systems

The switchgear can integrate multiple outgoing feeders to distribute power to different production areas.

2. Mining Projects

Mining operations often require high-capacity and reliable power distribution equipment.

Applications include:

• Mining equipment
• Crushers
• Conveyors
• Ventilation systems
• Dewatering pumps
• Processing equipment
• Material handling systems

Customized protection and motor-control sections can be configured according to the mining electrical system.

3. Oil & Gas Facilities

The switchgear can be used for low-voltage power distribution in oil and gas facilities, subject to the applicable area classification and project requirements.

Typical loads include:

• Pumps
• Compressors
• Fans
• Motors
• Control systems
• Utility equipment
• Auxiliary systems

For demanding environments, enclosure protection, corrosion resistance, and component selection can be customized.

4. Water & Wastewater Treatment

Low-voltage switchgear is widely applicable to water treatment and wastewater facilities.

It can supply and control:

• Water pumps
• Sewage pumps
• Blowers
• Mixers
• Dosing systems
• Filtration equipment
• Control panels
• Auxiliary systems

Motor control feeders can be configured with contactors, soft starters, or variable-frequency drives.

5. Solar PV Projects

The switchgear can be used for low-voltage power distribution within solar power facilities.

Typical applications include:

• AC distribution
• Inverter output distribution
• Auxiliary power
• Transformer low-voltage side
• Monitoring systems
• Protection systems

The configuration can be customized according to inverter capacity, feeder quantity, system voltage, and project protection requirements.

6. Battery Energy Storage Systems

For BESS projects, low-voltage switchgear can be integrated into the auxiliary and AC distribution system.

Applications include:

• Auxiliary power distribution
• HVAC systems
• Battery container auxiliary loads
• Fire protection systems
• Control systems
• Energy management equipment

Protection and monitoring functions can be customized according to the BESS design.

7. Power Generation Projects

The switchgear can be used for low-voltage distribution in:

• Diesel power plants
• Gas power plants
• Hydropower plants
• Solar power plants
• Wind power projects
• Hybrid power systems

Typical functions include generator auxiliary power, plant distribution, motor control, and emergency power distribution.

8. Commercial Buildings

The switchgear provides centralized low-voltage power distribution for large commercial facilities.

Typical applications include:

• Office buildings
• Shopping malls
• Hotels
• Hospitals
• Convention centers
• Airports
• Large commercial complexes

It can distribute power to lighting, HVAC, elevators, pumps, fire systems, and other building services.

9. Data Centers

For data centers, low-voltage switchgear can be configured for reliable distribution of critical and auxiliary loads.

Applications include:

• UPS systems
• Server room auxiliary systems
• Cooling equipment
• Chillers
• Pumps
• Ventilation
• Emergency power
• Generator systems

Dual incoming supplies, bus couplers, automatic transfer functions, monitoring, and other redundancy features can be incorporated when required by the project.

10. Infrastructure Projects

The switchgear is suitable for various infrastructure facilities, including:

• Airports
• Railway systems
• Metro projects
• Ports
• Tunnels
• Public utilities
• Transportation facilities

The equipment can be customized for different load types, environmental conditions, and power distribution requirements.

11. Cement & Heavy Industries

Heavy industrial facilities often require high-current distribution and motor control.

Typical loads include:

• Motors
• Crushers
• Conveyors
• Fans
• Grinding systems
• Compressors
• Pumps
• Processing equipment

High-current busbars and withdrawable functional units can be selected for applications requiring flexible maintenance and operation.

12. Renewable Energy & Microgrid Systems

The switchgear can serve as part of an integrated low-voltage distribution system for:

• Solar PV
• Wind power
• BESS
• Diesel generators
• Microgrids
• Hybrid energy systems

It can integrate power monitoring, automatic transfer, protection, and communication functions according to the system architecture.

Typical Application Areas

Typical Power Distribution Structure

Utility / Transformer / Generator
↓
380V / 660V Main Incoming Switchgear
↓
Main Busbar
↓
Bus Coupler / Distribution Section
↓
MCCB / MCB / Motor Feeders
↓
Motors / Pumps / HVAC / Production Equipment / Auxiliary Loads

The exact configuration is customized according to the project's Single Line Diagram (SLD), load list, short-circuit level, voltage system, protection requirements, installation environment, and applicable standards.

1. What is 380V/660V Low-Voltage Switchgear?

380V/660V low-voltage switchgear is a complete electrical assembly used for power distribution, circuit protection, monitoring, and control in low-voltage AC systems. It can integrate circuit breakers, busbars, meters, protection devices, control components, and communication modules into one cabinet system.

2. What is the difference between 380V and 660V switchgear?

The main difference is the system rated voltage and the corresponding insulation, clearance, protection, and component requirements. The switchgear can be engineered for 380V, 660V, or other low-voltage systems according to the project electrical design.

3. Can the switchgear be fully customized?

Yes. The switchgear can be customized according to the customer's:

• Rated voltage
• Rated current
• Short-circuit level
• Number of incoming feeders
• Number of outgoing feeders
• Busbar configuration
• Breaker requirements
• IP protection
• Internal separation
• Cabinet dimensions
• Control and monitoring requirements

4. What standards does the switchgear comply with?

The switchgear can be designed and manufactured according to applicable IEC 61439-1 and IEC 61439-2 requirements. Other standards or customer-specific specifications can be considered according to the project and destination market.

5. Can you provide MNS-type switchgear?

Yes. MNS-type modular low-voltage switchgear can be supplied in fixed or withdrawable configurations. The internal arrangement can be customized according to the SLD and feeder requirements.

6. Is the switchgear fixed or withdrawable?

Both options are available.

Fixed type is suitable for simpler and more economical installations.

Withdrawable type is suitable for applications requiring convenient maintenance, feeder isolation, and flexible operation.

7. What IP protection ratings are available?

Typical options include:

• IP30
• IP40
• IP42
• IP54

Higher protection levels can be considered for dusty, humid, or demanding installation environments, subject to the required thermal and ventilation design.

8. Can the internal separation be customized?

Yes. The assembly can be configured with different internal separation arrangements, such as:

• Form 2
• Form 3
• Form 4

The appropriate configuration depends on safety requirements, maintenance practices, and project specifications.

9. What circuit breakers can be installed?

Depending on the application, the switchgear can accommodate:

• ACB — Air Circuit Breaker
• MCCB — Molded Case Circuit Breaker
• MCB — Miniature Circuit Breaker
• Fuse-based protection
• Motor protection breakers

Breaker ratings and breaking capacities are selected according to the actual system requirements.

10. Can international component brands be used?

Yes. Component brands can be specified according to the customer's technical requirements and project budget.

The switchgear can be configured with suitable:

• Circuit breakers
• Contactors
• Relays
• Protection relays
• Meters
• CTs
• PLCs
• VFDs
• Communication modules

11. Can the switchgear be used for motor control?

Yes. The switchgear can incorporate motor control feeders for pumps, fans, compressors, conveyors, production machinery, and other industrial motors.

Motor control options may include:

• Direct Online (DOL)
• Star-Delta
• Soft Starter
• Variable Frequency Drive (VFD)

12. Can automatic transfer functions be integrated?

Yes. An ATS (Automatic Transfer Switch) or automatic bus transfer system can be integrated when required.

This can be used for systems with:

• Utility + Generator
• Dual utility supplies
• Normal + Emergency power
• Dual incoming feeders

13. Can the switchgear communicate with a PLC or SCADA system?

Yes. Communication and monitoring functions can be integrated according to the project requirements.

Common options include:

• RS485
• Modbus RTU
• Modbus TCP
• Ethernet-based communication
• PLC integration
• SCADA monitoring

14. Can the switchgear be used outdoors?

Yes, but outdoor applications require appropriate enclosure, weather protection, ventilation, corrosion protection, and environmental design.

The required IP rating and construction should be confirmed according to the actual site conditions.

15. Can the switchgear be used in high-temperature or high-humidity environments?

Yes. The design can be adapted for demanding environments by considering:

• Ambient temperature
• Humidity
• Ventilation
• Heat dissipation
• Corrosion protection
• Enclosure protection
• Component derating

The actual environmental conditions should be provided during the quotation stage.

16. Can you customize the cabinet dimensions?

Yes. Cabinet width, depth, height, compartment arrangement, cable entry, and overall lineup configuration can be customized according to the electrical components and installation space.

For EPC projects, cabinet dimensions can be developed according to the approved General Arrangement (GA) drawing.

17. Can the busbar material be customized?

Yes. The main and distribution busbars can generally be configured using copper or aluminum, depending on electrical requirements, current rating, temperature-rise requirements, and project specifications.

18. What information is required for a quotation?

For an accurate quotation, customers should provide:

• Rated voltage
• Frequency
• Rated current
• Short-circuit current
• Single Line Diagram (SLD)
• Load list
• Incoming feeder quantity
• Outgoing feeder quantity
• Breaker requirements
• IP rating
• Internal separation
• Installation environment
• Applicable standard
• Project quantity
• Delivery destination

Providing the SLD and load list allows the manufacturer to prepare a more accurate technical and commercial proposal.

19. What tests are performed before shipment?

Routine testing can include:

• Visual inspection
• Mechanical operation test
• Protective circuit continuity test
• Wiring verification
• Insulation resistance test
• Dielectric withstand test
• Functional test
• Protection function verification
• Metering verification
• Final inspection

A Routine Test Report can be supplied according to the project requirements.

20. Can you provide FAT for EPC projects?

Yes. Factory Acceptance Testing (FAT) can be arranged according to the approved ITP, technical specification, drawings, and customer inspection requirements.

Customers or third-party inspectors can participate in the inspection when required by the contract.

21. How is the switchgear packed for international shipping?

The switchgear is protected against impact, dust, moisture, and movement during transportation. Depending on the shipping method, packaging can include:

• Protective film
• Moisture-proof materials
• Desiccant
• Shock protection
• Export wooden cases
• Reinforced packaging

Container loading can also be arranged according to cabinet dimensions and project requirements.

22. Can you provide complete documentation?

Yes. Depending on the project, documentation can include:

• Technical Datasheet
• General Arrangement Drawing
• Single Line Diagram
• Wiring Diagram
• Bill of Materials
• Component Datasheets
• Factory Test Report
• Routine Test Report
• Inspection Report
• Operation & Maintenance Manual
• Installation Instructions
• Packing List
• Certificate of Origin
• Other project-specific documents

23. Is the switchgear suitable for EPC projects?

Yes. The switchgear can be customized for industrial plants, mining, renewable energy, infrastructure, data centers, water treatment, manufacturing, commercial buildings, and other EPC projects.

Technical drawings, component selection, testing, documentation, export packing, and delivery can be coordinated according to the project schedule.

24. What is the typical delivery time?

The delivery time depends on the cabinet quantity, electrical configuration, component brands, customization level, testing requirements, and project documentation.

A confirmed delivery schedule can be provided after the technical specification and configuration are finalized.

25. Can you manufacture switchgear according to our drawings?

Yes. Customer-provided SLD, GA drawings, wiring diagrams, technical specifications, and component lists can be reviewed by the engineering team.

The manufacturer can then prepare the switchgear according to the approved technical documentation and agreed project requirements.