The 150kVA Three Phase Pad Mounted Transformer is a compact, liquid-filled distribution transformer designed for reliable underground power distribution in commercial, industrial, and public utility applications. It accommodates a wide range of primary and secondary voltage configurations, delivering safe, efficient, and stable power while minimizing installation space and maintenance requirements. Ideal for modern power distribution networks, it provides dependable performance for various electrical infrastructure projects.
The 150kVA Three Phase Pad Mounted Transformer is designed for underground distribution networks where safety, reliability, and compact installation are essential. It combines the transformer, high-voltage compartment, and low-voltage compartment into a tamper-resistant steel enclosure, making it ideal for residential communities, commercial buildings, renewable energy projects, and industrial power distribution.
Manufactured in accordance with ANSI/IEEE, IEC, and DOE efficiency standards, this transformer delivers stable performance with low losses and minimal maintenance throughout its service life.
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].
| Rated Power | 150 kVA |
| Rating Primary Voltage | 4.16-34.5kV or customized |
| Secondary Voltage | 480GrdY/277 208GrdY/120 400GrdY/230 Customized（208Y/120 V to 4,160 V） |
| Frequency | 50/60Hz |
| Vector Group | Dyn1/Yyn0/Dyn11/Dyn5 |
| Winding Material | Aluminum/Copper |
| Efficiency | As IEEE,Doe 2016,CAS Std or Customized |
| Impedance Voltage | Nominal 3.5% 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 | 350L |
| Total Weight | 2400 kg |
| Outline Dimensions（L×W×H）in. | 1250×1480×1750 （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(15kV) | Ground Strap |
| Grounding Copper Bar | Nameplate |
| 1″‘Drain Valve With 3/8″ Sampler | IR Window |
| 1″ Upper Fill Valve Filter Press Connection | Terminal Box |
| Non-PCB decal | High Voltage Warning Signs |
Ideal for small to medium commercial buildings, retail stores, office complexes, and institutional facilities like schools or clinics requiring reliable underground three-phase power distribution, combined with light industrial workshops and municipal sites prioritizing compact design, safety features, low visual impact, and efficient handling of lighting, HVAC, equipment, and general loads in suburban or urban settings.
A 150kVA three phase pad mounted transformer is an oil-immersed distribution transformer designed for underground power distribution systems. It is commonly installed in residential communities, commercial buildings, industrial facilities, and renewable energy projects.
The transformer can be customized according to your project requirements.
Typical options include:
Our pad mounted transformers can be manufactured to meet:
Yes. We offer OEM and custom manufacturing services, including:
It is widely used in:
Optional protection features include:
Yes. Every transformer undergoes comprehensive routine testing before delivery, including ratio testing, winding resistance, insulation resistance, no-load and load loss tests, induced voltage tests, and leakage inspection. A factory test report is supplied with each unit.
Under normal operating conditions and with proper maintenance, the transformer typically provides a service life of 25–30 years.
Production time generally ranges from 20 to 35 days, depending on the technical specifications, order quantity, and customization requirements.
Yes. We export transformers worldwide and can arrange sea freight, provide export packing, and prepare all necessary shipping documents. Our team also supports EPC contractors, utilities, and distributors throughout the procurement process.
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