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Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet
Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet
Specifications
Description
Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet
Product Specifications
Type Distribution transformer, power transformer, Oil-filled Transformer
Frequency 50Hz, 60Hz
Winding Material Aluminum
Application Power Distribution System
Phase Three
Coil Structure TOROIDAL
Input Voltage 10kV
Output Voltage 400V, 380V, 440V, 480V
Cooling Method ONAN ONAF OFAF
Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet
Capacity (KVA) HV Tapping range LV No-load loss Load loss Impedance Efficiency
75 2400 4160 7200 7620 12000 12470 13200 13800 14400 19920 24940 34500 ±2X2.5% 110 120 208 240 277 347 415 416 480 600 690 130 100 4.0-6.3 99.03
300 430 3700 99.27
Product Overview

This 300kVA three-phase pad-mounted transformer is engineered for superior reliability and efficiency in medium-voltage power distribution systems. Designed for outdoor installations, it features a tamper-proof cabinet, oil-immersed cooling, and a compact footprint, making it ideal for utility, commercial, and industrial use. Built to ANSI/IEEE and IEC standards, this transformer offers long-term durability and excellent thermal performance.

Key Features
  • Power Rating: 300kVA
  • Type: Three-Phase, Pad-Mounted, Oil-Immersed
  • Primary Voltage: Optional (e.g., 13.8kV, 12.47kV, or custom on request)
  • Secondary Voltage: 480Y/277V, 208Y/120V, or customized
  • Frequency: 50/60Hz
  • Cooling Method: ONAN (Oil Natural Air Natural)
  • Temperature Rise: 55°C or 65°C available
  • Tap Changer: Off-circuit tap changer ±2×2.5% or as specified
  • Enclosure: Weatherproof, tamper-resistant cabinet (ANSI C57 compliant)
Product Benefits
  • Efficient & Reliable: High-grade silicon steel core and precision winding ensure low losses and reliable voltage regulation.
  • Low Maintenance: Hermetically sealed tank design reduces the risk of leaks and prolongs service life.
  • Safe for Public Areas: Tamper-proof design with dead-front construction ensures public safety and secure operation.
  • Flexible Configuration: Primary and secondary voltages can be customized to meet site-specific requirements.
  • Rugged Outdoor Use: Corrosion-resistant coating and weatherproof design ensure durability in all environments.
Typical Applications
  • Utility substations
  • Commercial complexes
  • Hospitals and healthcare facilities
  • Schools and universities
  • Data centers
  • Manufacturing and industrial plants
  • Renewable energy systems (solar/wind)
About HENTG POWER

HENTG POWER is a professional designer, manufacturer and installer of power system solutions worldwide, founded in 2011 with a 100,000 square meter facility. We specialize in reliable, high-performance solutions for global power systems.

Quality Assurance
  • Pre-production samples before mass production
  • Final inspection before shipment with QC & test reports
  • Factory Acceptance Test (FAT) available
  • Manufacturing capability up to 500KV 480MVA power transformers
  • Compliance with ANSI/IEEE/DOE2016/CSA/IEC60076 standards
  • 2+ years guarantee service
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Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet

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Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet

Hunan Hentg Power Electric Technology Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2011
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Main Products :
Oil Immersed Transformer, Dry Type Transformer, Compact Substation Transformer
Total Annual :
50000000-100000000
Employee Number :
200~250
Certification Level :
Verified Supplier
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