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Step Down Single Phase Transformer 167kVA 250kVA 500kVA Pad Mounted IP55 Protection

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Step Down Single Phase Transformer 167kVA 250kVA 500kVA Pad Mounted IP55 Protection

Step Down Single Phase Transformer 167kVA 250kVA 500kVA Pad Mounted IP55 Protection
Product Overview

500kVA Voltage Step Down Transformers - Single Phase Pad Mounted

Single Phase Pad Mounted Transformer
Technical Specifications
AttributeValue
Frequency50Hz, 60Hz, 50Hz/60Hz
PhaseSingle Phase
Coil StructureRound coil
Output Voltage220V, 380V, 400V, 440V, 480V
Input Voltage35kV, 6kV, 10kV
Cooling MethodONAN (Oil Natural Air Natural)
Warranty2 Years
Winding MaterialCopper / Aluminum
Operating Temperature-40°C to 55°C
Efficiency98%
Protection ClassIP55
Insulation ClassClass H
Power Rating5-500 kVA
Transformer technical details Transformer installation example
Technical Details

HENTG's Single Phase Pad Mounted Oil-Immersed Distribution Transformer (15kVA~500kVA) is designed for reliable, safe, and efficient power distribution in residential, commercial, and light industrial applications.

Key Features
  • Compact, tamper-proof, and weather-resistant pad-mounted design
  • High-quality silicon steel cores with copper or aluminum windings
  • Low losses and high efficiency (up to 99.49%)
  • Long service life (design life ≥ 25 years)
  • IP54 / NEMA 3R protection for outdoor use
  • Customizable voltage configurations available
Performance Data
Capacity (kVA)HV (V)LV (V)No-load Loss (W)Load Loss (W)Dimensions (mm)Efficiency
152400-34500110-69060-150330-1150610×740×84098.82%
2598.95%
5099.05%
7599.11%
10099.19%
16799.25%
25099.33%
50099.49%
Transformer performance chart
Our Order Process
  1. Inquiry & Quotation: We respond within 1 hour with suitable transformer recommendations, competitive quotations, and payment terms. Our technical team confirms all drawing details within 7 days after payment.
  2. Production & Quality Control: After design approval, we prepare stock, manufacture, and conduct rigorous quality inspections. We provide QC reports and test reports for all products.
  3. Installation & Support: Our professional team provides installation guidance and on-site support. All products come with a 2+ year warranty.
Our Product Range
  • Oil-immersed transformers
  • Dry-type power transformers
  • SH15 and SCBH15 amorphous alloy transformers
  • YB prefabricated substations
Company Capabilities
30+ Senior Engineers
100,000m² Factory Area
10,000+ Annual Capacity
15 Years Experience
Frequently Asked Questions

Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions founded in 2011, specializing in reliable, high-performance solutions for global power systems.

How can we guarantee quality?
We conduct pre-production sampling, final inspections before shipment, and provide QC & test reports. We accept Factory Acceptance Tests (FAT) and offer a 2+ year warranty.

Why choose us?
Our professional technical team with 30+ senior engineers provides 24/7 online support with 30-minute response times. We confirm all drawing details within 7 days.

What services can we provide?
We accept OEM orders and customized business payment terms. Our products comply with GB 20052-2024 and IEC 60076 standards.

Quality Step Down Single Phase Transformer 167kVA 250kVA 500kVA Pad Mounted IP55 Protection for sale
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