{
 "slug": "4000-5000-kva-25-35-kv-oil-type-compact-box-substation",
 "title": "4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation",
 "category": "transformer-substation",
 "categoryName": "Transformer Substations",
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 "overview": "A high-capacity three-phase oil-type compact box substation rated 4000 kVA / 5000 kVA for 25 kV / 35 kV distribution. The IP65 aluminium-zinc coated steel enclosure integrates the high-voltage room, transformer room and low-voltage room into a single weatherproof cabinet, engineered for demanding industrial and utility loads.",
 "sellingPoints": [
  "High capacity: 4000 kVA and 5000 kVA ratings",
  "25 kV / 35 kV rated, 630 A rated current",
  "IP65 protection with aluminium-zinc coated steel enclosure",
  "Integrated three-compartment layout (HV / Transformer / LV)",
  "IEC 60076 / GB compliant; ISO9001 / ISO14001 / CE / CQC certified"
 ],
 "specs": [
  [
   "Type",
   "Oil-type Compact Box Substation"
  ],
  [
   "Rated Capacity",
   "4000 kVA / 5000 kVA"
  ],
  [
   "Rated Voltage",
   "25 kV / 35 kV"
  ],
  [
   "Rated Current",
   "630 A"
  ],
  [
   "Protection Class",
   "IP65"
  ],
  [
   "Enclosure Material",
   "Aluminium-Zinc Coated Plate"
  ],
  [
   "Phase",
   "Three Phase"
  ],
  [
   "Frequency",
   "50 / 60 Hz"
  ],
  [
   "Winding Material",
   "Copper / Aluminium"
  ],
  [
   "Vector Group",
   "Dyn11 / Yyn0"
  ],
  [
   "Standard",
   "IEC 60076 / IEC / GB"
  ],
  [
   "Certification",
   "ISO9001 / ISO14001 / CE / CQC"
  ],
  [
   "Warranty",
   "2 Years"
  ]
 ],
 "applications": "Electric power transmission and distribution, large industrial plants, mining and infrastructure projects, and utility medium-voltage networks.",
 "customisation": "Enclosure colour, capacity, voltage class, winding material (copper / aluminium), and compartment configuration available on request.",
 "faq": [
  {
   "q": "What is the rated capacity of the 4000 / 5000 kVA 25–35 kV Oil-type Compact Box Substation?",
   "a": "The standard configuration is rated 4000 kVA / 5000 kVA at 50 / 60 Hz. Other ratings in the same family can be built to order — tell us the load and we will confirm the nearest standard rating."
  },
  {
   "q": "What voltage ratio is available?",
   "a": "The standard unit is 25 kV / 35 kV input. Voltage ratio, tapping range and vector group can be adjusted to your network; 50 Hz and 60 Hz designs are available."
  },
  {
   "q": "Which standards and certifications apply?",
   "a": "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."
  },
  {
   "q": "Can this product be customised?",
   "a": "Enclosure colour, capacity, voltage class, winding material (copper / aluminium), and compartment configuration available on request."
  },
  {
   "q": "What is the lead time and how is it shipped?",
   "a": "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."
  }
 ],
 "brand": "MARS",
 "manufacturer": "Shanghai Mars Electric Power Equipment Co., Ltd.",
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