2500 kVA Three-Phase Pad-Mounted Transformer (ANSI C57.12.20)

Compact Substations · Pad-Mounted Transformers

2500 kVA Three-Phase Pad-Mounted Transformer (ANSI C57.12.20)

Factory-direct 2500 kVA pad-mounted transformer engineered to ANSI C57.12.20 standards, ideal for underground distribution. Benefit from competitive pricing and reliable lead times directly from our ISO-certified Chinese manufacturing facility.

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Technical Specifications

Rated Capacity 2500
Primary Voltage 34.5 kV primary / 480Y/277 V secondary (customizable)
Secondary Voltage 480Y/277 V, 208Y/120 V
Standards Compliance ANSI C57.12.20, IEEE, NEMA
Cooling Type ONAN
Configuration Dead-front, Loop feed / Radial feed
Vector Group Dyn11 (or as specified)
Frequency 60 Hz (ANSI) / 50 Hz (IEC)
Efficiency Level 99.2%
Impedance (%Z) 5.75%
Insulation Class Class A (65°C average temperature rise)
Enclosure Rating NEMA 3R / IP54 Tamper-Resistant Steel Enclosure
Voltage 34.5 kV primary / 480Y/277 V secondary (customizable)
Kva 2500
Standard ANSI C57.12.20, IEEE, NEMA
Cooling ONAN
Efficiency 99.2%
Impedance 5.75%

Equipment Video Walkthrough 100% Tested

Watch 100% factory routine testing & quality control inspections.

Product Information

Status

Published

Product ID

2500KVA_34.5KV_THREE_PHASE_PAD_MOUNTED_TRANSFORMER

Last Updated

2026-08-24 23:55:52

Application Scenarios

  • Commercial centers, solar PV collector substations, EV fast-charging hubs, and industrial parks.

Features

  • Dead-front cabinet design with compartmentalized HV and LV sections for maximum operator safety.
  • Bay-O-Net expulsion fuses with current-limiting backup fuses for robust overcurrent protection.
  • Corrosion-resistant NEMA 3R enclosure with tamper-proof penta-head locking hardware.

Standards

  • 100% Factory Acceptance Testing (FAT) including voltage ratio, dielectric withstand, and winding resistance.

Internal Component Engineering Anatomy

High-precision 3D engineering cutaway model illustrating the core, windings, insulation, conservator tank, and protection accessories.

Oil-immersed transformer internal 3D cutaway model
High-Grade Silicon Core
Electrolytic Copper Windings
Tap Changer System
Buchholz & Temp Sensors
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XinHuan 2500 kVA Three-Phase Pad-Mounted Transformer (ANSI C57.12.20) Substation 2D AutoCAD General Arrangement Drawing
Engineering Submittal Drawing

2D AutoCAD General Arrangement (GA) Drawing

Official XinHuan factory 2D vector General Arrangement drawing for 2500 kVA Three-Phase Pad-Mounted Transformer (ANSI C57.12.20). Includes front elevation view, top plan view, bushing center-to-center distances, mounting hole footprint, and complete vector group layout.

Full Dimensions ($L \times W \times H$)
Bushing Terminal Distances
Mounting Base Footprint
Vector Group & Title Block
Request CAD Submittal (.DXF / .PDF) Factory Quality Inspection

Frequently Asked Questions

Manufactured and tested in strict accordance with ANSI C57.12.20, IEEE, NEMA. Certified factory routine test report (FAT) provided with every unit. Third-party inspection (SGS/BV) supported.

Export seaworthy packaging with vacuum moisture barrier, desiccants, and reinforced steel-framed containment. Typical production lead time: 4–6 weeks from drawing approval.

Related Markets & Resources

🌍

Africa & MENA

11kV & 33kV IEC grid requirements
🌏

Middle East & GCC

IEC 60076 · up to 132kV · high ambient

Buyer's Guide

How to source from China

Standards & Compliance

Manufactured and tested in strict accordance with ANSI C57.12.20, IEEE, NEMA. Certified factory routine test report (FAT) provided with every unit. Third-party inspection (SGS/BV) supported.

Packaging, Delivery & Service

Export seaworthy packaging with vacuum moisture barrier, desiccants, and reinforced steel-framed containment. Typical production lead time: 4–6 weeks from drawing approval.

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