



The 75kVA single phase pad mounted transformer is designed for medium-capacity underground residential and light commercial distribution, transforming primary voltages such as 12470GrdY/7200, 24940GrdY/14400, 34500GrdY/19920, or dual-voltage setups to secondary 120/240V split-phase or 240V. The compartmental dead-front enclosure with tamper-resistant doors, mineral oil insulation, and ONAN cooling supports a 65°C temperature rise for dependable performance under residential peak demands.
The 75kVA Single Phase Pad Mounted Transformer is a compact oil-immersed distribution transformer designed for underground distribution systems. It integrates the transformer, high-voltage compartment, and low-voltage compartment into a tamper-resistant enclosure, providing safe, reliable, and efficient power distribution for residential communities, commercial developments, utilities, and renewable energy projects.
Manufactured to ANSI/IEEE and IEC standards, it delivers excellent energy efficiency, low operating losses, and dependable long-term performance in outdoor environments.
Zisheng are a professional 19+ years manufacturer in producing Oil-Immersed Transformers, Compact Substation, Pad Mounted Transformers, Pole Mounted Transformers and Dry Type Transformers. We own the certificates of ISO/CE/IEC 60076 and TUV Rheinland.
Transformers undergo rigorous FAT and type testing, support voltage/capacity customization. Welcome to consult for Catalog and Product. you can contact us at email [email protected].

Product: 75kVA Single Phase Pad Mounted Transformer
Location: United States
Application: Residential Underground Distribution Network
A residential development project in the United States deployed 48 units of 75kVA Single Phase Pad Mounted Transformers to support underground power distribution across newly constructed neighborhoods. The transformers were selected for their compact footprint, tamper-resistant enclosure, and reliable long-term performance.
Designed to meet ANSI/IEEE standards, each unit provides stable voltage regulation, low energy losses, and safe operation, ensuring a dependable electricity supply for homes and community facilities.
| Rated Power | 75 kVA |
| Rating Primary Voltage | 11950Delta or Customized |
| Secondary Voltage | 480-240V 240-120V 277V Customized |
| Frequency | 50/60Hz |
| Vector Group | Ii0,Ii6 |
| Winding Material | Aluminum/Copper |
| Efficiency | As IEEE,Doe 2016,CAS Std or Customized |
| Impedance Voltage | Nominal 2% or Customized 1.1-5.75% |
| Altitude | ≤1,000m or Customized |
| Color | ANSI 70 Light gray/Munsell 7GY3.29/1.5 or customized etc |
| Tank material | Mild Steel, 304 Stainless Steel |
| Insulating Oil Weight | 205 kg |
| Total Weight | 650 kg |
| Outline Dimensions(L×W×H)in. | 1100×900×710(mm) |
| Lifting Lug | ELSP Fuse |
| Hinged Door | BAY-O-NET Fuse |
| Parking Bracket | Tap Changer |
| Tank Cover | Oil Level Gauge |
| L.V Bushing (4-Hole ) | Pressure Relief Valve |
| Two/Four Position Load break Switch | Vacuum Pressure Gauge |
| HV Grounding Copper Bar | Terminal Block |
| Temperature Indicator | Door Handle |
| H.V Bushing Well | Ground Strap |
| Grounding Copper Bar | Nameplate |
| 1″‘Drain Valve With 3/8″ Sampler | Non-PCB decal |
| 1″ Upper Fill Valve Filter Press Connection | High Voltage Warning Signs |
It is an oil-filled distribution transformer installed at ground level for underground power distribution systems, commonly used in residential neighborhoods, commercial facilities, and utility networks.
Typical configurations include:
Yes. We offer customized voltage ratings, winding materials, insulating oil, enclosure color, nameplates, and accessories to meet project requirements.
Our pad mounted transformers are manufactured according to:
Yes. Each transformer undergoes comprehensive routine testing, including ratio, insulation, winding resistance, no-load loss, load loss, and induced voltage tests. A complete factory test report is supplied with every unit.
In recent years, my country’s power system has been undergoing a profound transformation. Previously, the grid development model—centered on Ultra-High Voltage (UHV)...
NewsModern power systems are among the most complex engineering infrastructures ever built by humanity. Every time a switch is flipped, electricity has...
NewsCustomers often ask: “With a limited budget, is Level 3 energy efficiency not a good option? It’ll work anyway.” It’s usable, but...