500kVA 3 Phase Pad Mounted Electrical Transformer Weatherproof Oil Immersed

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Product Details
Company Details

Product Specification


High Light	3 Phase Pad Mounted Electrical Transformer ，Oil Immersed Cooling Pad Mounted Transformer ，Pad Mounted Electrical Transformer Weatherproof

500kVA 3 Phase Pad Mounted Electrical Transformer Weatherproof Oil Immersed Cooling

Product Specifications

Attribute	Value
Type	Distribution transformer, power transformer, Oil-filled Transformer
Frequency	50Hz, 60Hz
Winding Material	Aluminum
Application	Power
Phase	Three
Coil Structure	TOROIDAL
Coil Number	Multi-winding coil
Input Voltage	10kV
Output Voltage	400V, 440V, 480V
Cooling Method	ONAN ONAF OFAF
Transformer type	Toroidal Transformer

500kVA Three-Phase Pad-Mounted Transformer

Technical Specifications

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

Product Overview

The 500kVA Three-Phase Pad-Mounted Transformer offers a robust, energy-efficient solution for medium to large commercial, industrial, and utility applications. Designed for outdoor installations, this transformer provides stable and reliable power distribution with minimal maintenance. Its oil-immersed cooling system ensures optimal performance, even in demanding environments, while the tamper-proof design provides security and longevity. Ideal for applications requiring a constant, balanced power supply, the 500kVA transformer is engineered to meet high-performance standards and to withstand the rigors of continuous operation.

Key Features

Rated Capacity: 500 kVA
Type: Three-Phase, Pad-Mounted, Oil-Immersed
Primary Voltage: Customizable (e.g., 11kV, 13.8kV, 12.47kV)
Secondary Voltage: Customizable (e.g., 480Y/277V, 208Y/120V)
Frequency: 50Hz / 60Hz
Cooling Method: Oil Natural Air Natural (ONAN)
Temperature Rise: 65°C (standard)
Tap Changer: Off-circuit tap changer ±2×2.5% (customizable)
Protection Rating: IP23 (Optional: IP44, IP54 for more severe environments)
Insulation Level: BIL 95kV or according to customer specifications
Enclosure: Weatherproof, tamper-resistant design (ANSI/IEEE standards compliant)
Noise Level: ≤ 55 dB (low noise for residential and urban applications)
Weight: Approx. 2500-3000 kg (depending on configuration)

Product Benefits

Energy-Efficient Operation: High-performance core and winding design minimize energy losses, reducing operational costs.
Durability & Reliability: Oil-immersed design provides superior cooling and extends transformer lifespan, ensuring uninterrupted power supply.
Outdoor-Ready: The tamper-proof, weatherproof enclosure is built to withstand harsh outdoor conditions, making it perfect for both urban and rural environments.
Cost-Effective Maintenance: Reduced maintenance needs thanks to the sealed tank and advanced cooling system, minimizing downtime and extending service life.
Flexible Power Options: Customizable voltage configurations to meet specific energy requirements for different applications.
Quiet & Safe: Low-noise operation (≤ 55 dB) makes it suitable for noise-sensitive environments like hospitals, schools, and residential areas.
Meets Global Standards: Manufactured to meet ANSI/IEEE and IEC safety standards, ensuring a reliable, compliant product for your power distribution needs.

Common Applications

Utility Substations: Ideal for medium-voltage distribution in substations serving urban or industrial areas.
Industrial Facilities: Powers manufacturing plants, automation systems, HVAC systems, and more.
Commercial Buildings: Perfect for office complexes, shopping malls, schools, and hospitals requiring reliable three-phase power.
Public Infrastructure: Powers outdoor lighting, utility systems, and communication towers in public spaces.
Renewable Energy Projects: Ideal for integration with renewable energy sources, such as solar and wind farms, to provide stable grid connections.

About HENTG POWER

HENTG POWER is a professional designer, manufacturer and installer of power system solutions around the world, founded in 2011, occupying 100,000 square meters. 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
Manufacture oil type and dry type distribution transformers up to 500KV 480MVA power transformers
Compliance with ANSI/IEEE/DOE2016/CSA/IEC60076 standards
2+ years guarantee service

Why Choose Us?

Professional drawing and technical teams
7-day drawing confirmation process
30+ senior engineers offering 24/7 online support
30-minute response time guarantee
OEM services available
Flexible payment terms

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer,Exporter,Trading Company,Seller 


Year Established:

2011 


Total Annual:

50000000-100000000


Employee Number:

200~250 


Ecer Certification：

Verified Supplier 

HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011. With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P... HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011. With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...

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Reach Us
Hunan Hentg Power Electric Technology Co., Ltd.
Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha，Hunan province, China
https://www.ecer.com/corp/uuuf953-hentgpower2025.html

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