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Oil Immersed Single Phase Pad Mounted Transformer 50kVA 100kVA 333kVA 500kVA Tamper Proof

Oil Immersed Single Phase Pad Mounted Transformer

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.

Product Specifications

Attribute	Value
Frequency	50Hz, 60Hz, 50/60Hz
Phase	Single Phase
Coil Number	Single Winding, Two Windings, Multi Winding, Three Windings
Application	Distribution system
Output Voltage	10kV, 415V, 110V, 380V, 220V, 400V, 440V
Input Voltage	11kV, 10.5kV, 3kV, 12.47kV, 6.6kV, 6.3kV, 6kV
Cooling System	ONAN/KNAN
Mounting Type	Pad
Insulation Fluid	Biodegradable Cooling Fluid
Installation Method	Outdoor

Key Features

Single Phase Operation, 60Hz / 50Hz Compatible - Suitable for North American and global residential and commercial distribution systems
Mineral Oil Insulation and Cooling (ONAN) - Environmentally tested insulating oil ensures reliable operation and thermal performance
Durable Oil-Immersed Design - Sealed tank with mineral oil for insulation and cooling
Tamper-proof, weather-resistant pad-mounted design for outdoor environments
High-quality silicon steel cores and copper/aluminum windings for low losses and high efficiency

Technical Specifications

Capacity (KVA)	HV	Tapping range	LV	No-load loss	Load loss	Dimension(mm)	Efficiency
15	2400-34500	±2X2.5%	110-690	60-150	330-1150	610-840	98.82

Product Advantages

Single-phase pad-mounted transformer features a clamshell cabinet for easy access to connections. The versatile design allows for various protection and switching configurations to meet diverse distribution system requirements.

Ground installation suitable for residential areas and commercial parks
Fully sealed design with NEMA 3R protection level
High/low voltage compartments separation for operational safety
Low noise operation suitable for noise-sensitive areas
Modular structure for convenient maintenance

Ordering Process

Step 1: Inquiry and Design

We respond within 1 hour with recommendations and quotations. Our technical team confirms all drawing details within 7 days after payment, including technical data, weight, and parts list.

Step 2: Production and Quality Control

After design approval, we prepare stock, produce, and conduct quality inspections. We provide QC reports and test reports, with optional Factory Acceptance Test (FAT).

Step 3: Installation and Support

Professional installation guidance with optional on-site support. We provide more than 2 years of warranty service.

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 samples and final inspections before shipment, providing QC & test reports. We manufacture oil type and dry type distribution transformers up to 500KV 480MVA power transformers.

Why choose us?

We have professional drawing and technical teams that confirm drawings within 7 days. Our 30+ senior engineers offer 24-hour online service with 30-minute response time.

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