Product Description
American Type Compact Prefabricated Substation, also named pad-mounted transformer, is ANSI & IEC dual-standard integrated distribution equipment, widely adopted in North America, Southeast Asia and rural power grids worldwide. Different from European three-compartment split structure, it adopts fully integrated oil-immersed transformer integration design: HV load break switch, full-range current-limiting fuses, transformer winding and LV distribution busbar are all installed inside the oil tank, using transformer insulating oil as unified insulation and cooling medium, with ultra-compact footprint and single-side operation maintenance design.
Equipped with HV bayonet fuses, backup protection fuses and LV secondary circuit breakers to realize full-range overload & short-circuit protection without extra switchgear. The enclosure adopts thick anti-corrosion steel plate, standard IP44 protection grade, with rainproof roof, anti-theft lock and cable sealing glands. The whole unit features simple structure, low initial investment, small floor space, convenient on-site installation, and strong overload capacity for fluctuating rural loads.
We support customization of ANSI standard voltage levels (4.16kV /13.2kV /13.8kV /24.9kV), 60Hz frequency, single-phase / three-phase structure, and 304 stainless steel tank for coastal salt fog environment. All products pass strict oil leakage, insulation and short-circuit impact tests, with stable operation and low maintenance cost.
As a full-range power equipment manufacturer, we can match American compact substations with complete high-low voltage equipment to provide rural power grid, photovoltaic and mining one-stop power supply solutions for overseas customers.
Application Scenarios
- Rural power grid reconstruction, suburban residential districts, single-family villa power supply;
- Distributed small photovoltaic stations, rural agricultural irrigation equipment supporting power supply;
- North American municipal distribution network, Southeast Asian island & coastal villages;
- Temporary construction sites, remote mining areas, small commercial street lighting & power distribution;
- Low-budget EPC rural electrification projects with limited installation space.
Complete climate control, automated feeding/egg collection, and manure drying systems. (Exported to 30+ countries)
Water treatment plants must operate reliably around the clock, often in remote locations. Unplanned downtime, high energy consumption, and inefficient manual processes are common pain points.
Mining operations demand rugged, reliable electrical equipment capable of performing in harsh conditions—extreme temperatures, dust, moisture, and vibration.
Food processing facilities require strict hygiene standards, precise temperature control, and reliable production line uptime.
Non-ferrous metal processing—including aluminum, copper, and rare earth refining—involves high-temperature operations, large electrical loads, and complex process control.
Residential and commercial communities need reliable, safe, and efficient power distribution.
Our Supporting Advantages
We realize self-production of matching transformers, HV fuses and LV distribution components for American compact substations, avoiding third-party component supply delays. We can provide ANSI standard test reports, full English operation manuals and customized 60Hz parameter modification. Cooperated with our KYN28 HV cabinets and JP terminal boxes, we can deliver complete rural power grid packages, with cost advantages for mass overseas infrastructure orders.
Technical Parameters
| Category | Parameter | Value |
| Electrical Data | HV Rated Voltage | 10kV /13.2kV /13.8kV /24.9kV (ANSI Custom) |
| LV Rated Voltage | 0.4kV / 0.48kV (60Hz North America Standard) | |
| Rated Frequency | 50Hz / 60Hz Optional | |
| Transformer Capacity Range | 25kVA ~ 5000kVA (Single/Three Phase) | |
| HV Protection Mode | Bayonet Fuse + Backup Current-limiting Fuse | |
| LV Short-time Withstand Current (1s) | 15kA / 20kA / 30kA | |
| General Data | Protection Degree | IP44 Standard; IP56 Stainless Steel Optional |
| Applicable Standards | ANSI C57.12, IEC 60076, GB/T 17467 | |
| Transformer Type | Mineral Oil Immersed / Ester Eco-Friendly Oil | |
| Cooling Mode | ONAN Natural Oil Circulation Cooling | |
| Environmental Conditions | Ambient Temperature | -30℃ ~ +45℃ |
| Altitude | ≤1000m | |
| Anti-corrosion Grade | Standard Anti-rust Coating; Marine Salt Fog Version Available | |
| Cabinet & Construction | Tank Material | Carbon Steel / 304 Stainless Steel |
| Surface Treatment | Anti-rust Primer + Outdoor Polyester Coating | |
| Structural Feature | Single-side Maintenance, Integrated Oil Tank, Rainproof Overhang |
