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Switchgear & Control
High/Medium Voltage (MV)
SKU: 11KV_INDOOR_HIGH_VOLTAGE_ELECTRICAL_CONTROL_CABINET
11kV Indoor High Voltage Electrical Control Cabinet
This indoor high voltage electrical control cabinet is designed for medium-voltage distribution, feeder control, and switching duty in substations, utility networks, and industrial power systems. It provides structured enclosure design, protection and interlocking options, and configurable ratings to suit project-based MV applications.
Compliance Standards
IEC • ANSI • IEEE • GB
Quality Inspection
100% FAT Routine Tested
Engineering CAD
2D CAD / SLD Schematics
Global Logistics
Direct Seaport CIF Export
Engineering Datasheet
Technical Parameters & Ratings
IEC / ANSI Certified
Factory Standard
| Rated Voltage | 11 kV |
|---|---|
| Frequency | 50 Hz / 60 Hz |
| Phase | Three Phase |
| Structure Type | Electrical control cabinet |
| Insulation Type | Air insulated |
| Standard | IEC / GB / customized project specification |
| Installation | Indoor / outdoor according to enclosure design |
| Application | Distribution substations / industrial plants / building electrical systems |
Technical Highlights
- This product combines structured cabinet design, practical electrical coordination, and project-specific configuration flexibility. It is suitable for power systems that need reliable switching or control performance, organized maintenance access, and scalable options for monitoring, communication, and protection.
Application Scenarios
- Utility feeder control systems
- Substations and transformer stations
- Industrial plants and process power systems
- Urban distribution networks
- Renewable power distribution and collector systems
Key Features
- Designed for medium-voltage feeder control, switching, and protection functions
- Structured cabinet configuration suitable for substations, utility feeders, and industrial power systems
- Available with project-specific rated current, protection relay, and interlocking options
- Supports flexible busbar and feeder configuration according to application requirements
- Indoor enclosure design with practical maintenance and operating access
- Suitable for IEC or project-based export specification packages
Optional Configurations
- Rated current and short-time withstand current
- Protection relay brand and function package
- Incoming/outgoing feeder arrangement
- Automation and communication interface
- Cabinet dimensions, finish, and busbar layout
- Accessory package and interlock scheme
- Color, nameplate language, and document package
- Ambient temperature, altitude, and installation condition adaptation
Engineering Submittal Drawing
2D AutoCAD General Arrangement (GA) Drawing & Footprint
Official XinHuan factory 2D vector General Arrangement drawing for 11kV Indoor High Voltage Electrical Control Cabinet. Includes front elevation view, top plan view, terminal centerline clearances, base channel mounting footprint, and complete vector group connection schematics.
Dimensions ($L \times W \times H$ mm)
Terminal Centerline Clearances
Base Channel Mounting Pitch
Vector Group & Rating Plate
XinHuan Hefei Manufacturing Plant — Precision Winding & Assembly Line
Factory Build Quality
Internal Construction & Premium Materials
Built with tier-1 certified raw materials engineered for long operational life (>30 years), superior dielectric withstand, and high short-circuit withstand capacity.
Silicon Steel Core
High-grade grain-oriented cold-rolled silicon steel with step-lap mitered joints for low $P_o$ losses.
100% Copper Windings
Electrolytic oxygen-free copper with high thermal grade insulation for surge resistance.
Precision Tap Changer
De-energized tap switch ($\pm 2 \times 2.5\%$) or on-load vacuum tap changer (OLTC) optional.
Protection & Sensors
Buchholz gas relay, magnetic oil gauge (MOG), and dial thermometers with alarm contacts.
Quality Assurance
CNAS & ISO 9001 Certified
100% Factory Acceptance Testing (FAT) Protocol
Every transformer unit manufactured by XinHuan undergoes mandatory routine factory testing prior to container dispatch. Full certified routine and type test submittal reports are provided with commercial documentation:
1. Insulation Resistance
Megger test (HV to LV, HV to Earth, LV to Earth) >1000 MΩ.
2. Voltage Ratio & Vector
Turns ratio check across all taps with phase displacement check.
3. Winding DC Resistance
Precision Kelvin bridge measurement across all tap positions.
4. Short-Circuit Impedance
Load loss ($P_k$) measurement corrected to reference temp (75°C).
5. No-Load Loss & Current
Core excitation test ($P_o$ and $I_o$) at rated sinusoidal voltage.
6. AC Voltage Withstand
Power-frequency separate source test (e.g. 50kV/70kV 1 min).
7. Lightning Impulse (BIL)
Full wave & chopped wave impulse withstand (BIL up to 170kV).
8. Partial Discharge & Seals
Ultra-low discharge (<5 pC) and pressurized oil/gas tightness test.
Logistics Intelligence
Global CIF / FOB Delivery
Export Packaging & Seaport Logistics
The product is prepared for export shipment with suitable packing and handling arrangements based on destination, lifting, and transport requirements. Technical documents, test reports, labeling confirmation, and pre-shipment coordination can be supplied according to order requirements. OEM/ODM support and project-based coordination are available for qualified inquiries.
Production Lead Time
Standard manufacturing cycle is 4 to 6 weeks from approval of GA blueprints and single-line diagrams.
Heavy-Duty Export Packaging
Vacuum moisture barrier preservation, nitrogen blanketing, and reinforced steel-frame structural crate skids.
Direct Seaport Routes
Fast ocean freight to Port of Chancay & Callao (25-35 days), Manila, Lagos, and Middle East ports.
Equipment Video Inspection
100% TestedWatch XinHuan technicians perform routine dielectric testing, winding insulation checks, and quality inspections inside our Hefei manufacturing plant.
Every unit 100% routine tested before container loading.
Direct Factory Consultation
Need Custom Project Engineering?
Send your single-line diagram (SLD), voltage ratings, or tender specifications. Our chief electrical engineers will review and issue an actionable CIF quotation within 24 hours.
Custom Voltage Ratios
High-Altitude Derating
Short-Circuit Impedance
Third-Party FAT Witness
Engineering & Procurement FAQs
Frequently asked questions regarding specifications, certifications, and delivery for 11kV Indoor High Voltage Electrical Control Cabinet.
Please send us your required rated voltage, current, feeder configuration, protection functions, communication requirements, and installation conditions for the indoor high voltage electrical control cabinet. Our team can recommend a suitable configuration and provide a quotation based on your project requirements.
The equipment can be produced according to IEC standards and customer technical specifications. Routine inspection records, wiring documents, component lists, and factory test information can be provided before shipment. Optional configurations for communication, enclosure protection, and project-specific electrical interfaces are available upon request.
Standard manufacturing lead time is 4 to 6 weeks following approval of GA blueprints and single-line diagrams. Direct sea container shipping is available under FOB, CFR, or CIF terms with full customs documentation (Bill of Lading, Certificate of Origin, Test Reports).