Compact & Box-Type Substations

4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation

Built for heavy-duty distribution, this three-phase oil-type compact box substation is rated at either 4000 kVA or 5000 kVA for 25 kV / 35 kV service. An…

Technical specifications

Technical specifications of 4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation
ParameterValue
TypeOil-type Compact Box Substation
Rated Capacity4000 kVA / 5000 kVA
Rated Voltage25 kV / 35 kV
Rated Current630 A
Protection ClassIP65
Enclosure MaterialAluminium-Zinc Coated Plate
PhaseThree Phase
Frequency50 / 60 Hz
Winding MaterialCopper / Aluminium
Vector GroupDyn11 / Yyn0
StandardIEC 60076 / IEC / GB
CertificationISO9001 / ISO14001 / CE / CQC
Warranty2 Years

Why buyers choose it

  • High-capacity options at 4000 kVA and 5000 kVA
  • Rated for 25 kV / 35 kV service at 630 A
  • IP65-rated aluminium-zinc coated steel construction
  • Three separate compartments for HV, transformer, and LV equipment
  • Compliant with IEC 60076 / GB, certified to ISO9001 / ISO14001 / CE / CQC

Standards & certification

Designed and tested to IEC 60076 / IEC / GB. Millenium production is certified to ISO 9001, ISO 14001 and ISO 45001; the product family carries CE (ECM), UDEM attestation and an EAC declaration of conformity. Every unit passes routine factory tests before dispatch.

Product details

Built for heavy-duty distribution, this three-phase oil-type compact box substation is rated at either 4000 kVA or 5000 kVA for 25 kV / 35 kV service. An IP65 aluminium-zinc coated steel enclosure brings the high-voltage, transformer, and low-voltage rooms together in one weatherproof cabinet designed for demanding industrial and utility applications.

Design & Construction

  • High-capacity oil-type transformer built for heavy industrial and utility demand
  • Separate HV, transformer, and LV compartments keep operation safe
  • Hinged doors feature a mesh observation window and stainless-steel handles
  • IP65 aluminium-zinc enclosure with a pitched roof, mounted on a rigid base frame

Applications

Suited to electric power transmission and distribution, large industrial facilities, mining and infrastructure projects, and medium-voltage utility networks.

Customisation Options

Enclosure colour, capacity, voltage class, winding material (copper or aluminium), and compartment layout can be adjusted on request.

Ordering Information

Units are manufactured to order against the confirmed specification. Please share the capacity, voltage class, and site requirements when enquiring.

The images shown are illustrative marketing renders; the delivered unit is manufactured to the specification confirmed at order.

Product details in pictures

4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation — detail 1
4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation — detail 2
4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation — detail 3
4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation — detail 4

Frequently asked questions

What is the rated capacity of the 4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation?

The rated capacity is 4000 kVA / 5000 kVA, with an input voltage of 25 kV / 35 kV. Other ratings in the same series are quoted on request.

What are the main advantages of this compact substation?

High-capacity options at 4000 kVA and 5000 kVA; Rated for 25 kV / 35 kV service at 630 A; IP65-rated aluminium-zinc coated steel construction.

Can this product be customised to my specification?

Enclosure colour, capacity, voltage class, winding material (copper or aluminium), and compartment layout can be adjusted on request.

Which standards and certifications apply?

Designed and tested to IEC 60076 / IEC / GB. Millenium production is certified to ISO 9001, ISO 14001 and ISO 45001, and the product family carries CE (ECM), UDEM attestation and an EAC declaration of conformity.

Quotation

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Helpful details: rated power, HV/LV voltages, frequency, standard (IEC / ANSI / GOST), quantity, site conditions and delivery port.
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