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Transformer Substations

Three Phase 11–36 kV Compact Package Substation

A prefabricated European-style compact package substation for three-phase medium-voltage distribution, accepting 11 kV, 33 kV, 35 kV or 36 kV input and delivering 400 V / 415 V output.

A prefabricated European-style compact package substation for three-phase medium-voltage distribution, accepting 11 kV, 33 kV, 35 kV or 36 kV input and delivering 400 V / 415 V output. The all-metal enclosure combines the high-voltage room, transformer room and low-voltage room into a single ventilated cabinet for fast, plug-and-play outdoor deployment.

  • Wide input range: 11 kV / 33 kV / 35 kV / 36 kV
  • Integrated three-compartment layout (HV / Transformer / LV)
  • Heavily louvred doors for efficient natural ventilation and heat dissipation
  • Weatherproof steel enclosure for outdoor, all-weather operation
  • Copper or aluminium windings; IEC 60076 / GB compliant; ISO9001 / ISO14001 / CE / CQC certified
Input Voltage11 kV / 33 kV / 35 kV / 36 kV
Output Voltage400 V / 415 V
Frequency50 / 60 Hz
PhaseThree Phase
Winding MaterialCopper / Aluminium
StandardIEC 60076 / IEC / GB
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Lead time typically 25–45 days after drawing approval · FAT welcome · Ships worldwide (EXW / FOB / CIF / DAP)

Technical specifications

ParameterValue
TypeCompact Box Substation
Input Voltage11 kV / 33 kV / 35 kV / 36 kV
Output Voltage400 V / 415 V
PhaseThree Phase
Frequency50 / 60 Hz
Winding MaterialCopper / Aluminium
Vector GroupDyn11 / Yyn0
StandardIEC 60076 / IEC / GB
CertificationISO9001 / ISO14001 / CE / CQC
Warranty2 Years
PackagingWooden Case
Three Phase 11–36 kV Compact Package Substation — specification and nameplate detail
Specification and nameplate detail

Specifications are based on the standard configuration. Final ratings, dimensions, materials and packaging are confirmed on the approved drawing and order confirmation.

Features and construction

  • Compartmentalised HV, transformer and LV rooms for safe, organised operation
  • Large perforated louvre panels across the doors for effective cooling
  • Sheet-steel body with contrasting frame posts and pitched roof for rain runoff
  • Mounted on a rigid base frame for stable outdoor installation
Three Phase 11–36 kV Compact Package Substation — construction and materials detail
Construction and materials detail
Three Phase 11–36 kV Compact Package Substation — internal structure
Internal structure
Three Phase 11–36 kV Compact Package Substation — workmanship detail
Workmanship detail
Three Phase 11–36 kV Compact Package Substation — safety and protection features
Safety and protection features

Typical applications

Industrial parks, mining and infrastructure projects, commercial developments, and utility medium-voltage distribution networks.

Three Phase 11–36 kV Compact Package Substation — typical application
Typical application

Customisation options

Enclosure colour, input voltage class, capacity, winding material (copper / aluminium), and compartment configuration available on request.

Three Phase 11–36 kV Compact Package Substation — dimensions and layout
Dimensions and layout
Three Phase 11–36 kV Compact Package Substation — customisation options
Customisation options

Ordering information

Built to order per confirmed specifications. Please provide required capacity, voltage ratio and site conditions when enquiring.

Product images are illustrative renders for marketing reference; final delivered product is built to order per confirmed specifications.

Standards and quality

Manufactured under an ISO 9001, ISO 14001 and ISO 45001 certified management system. Designs follow the IEC 60076 / IEC 62271 series as applicable, with ANSI/IEEE, GB and GOST variants available. Every unit passes routine testing before dispatch; type tests and customer or third-party witnessed factory acceptance tests can be arranged.

Frequently asked questions

What voltage ratio is available?

The standard unit is 11 kV / 33 kV / 35 kV / 36 kV input to 400 V / 415 V output. Voltage ratio, tapping range and vector group can be adjusted to your network; 50 Hz and 60 Hz designs are available.

Which standards and certifications apply?

The product is designed to IEC 60076 / IEC / GB. MARS operates an ISO 9001 / 14001 / 45001 certified factory and holds CE (ECM), UDEM, EAC and CQC approvals; every unit is routine-tested before dispatch and type or witnessed tests can be arranged.

Can this product be customised?

Enclosure colour, input voltage class, capacity, winding material (copper / aluminium), and compartment configuration available on request.

What is the lead time and how is it shipped?

Typical lead time is 25–45 days after drawing approval for distribution equipment and 60–90 days for power transformers and containerised systems. Shipment is by sea from Shanghai on EXW, FOB, CIF or DAP terms with a full document pack.

Enquire about this product

Tell us the rating, voltage ratio, frequency, quantity and destination. A MARS engineer replies with a technical proposal and quotation within one working day.

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