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50KVA Step Down Three Phase Dry Type Transformer 415V To 380V H Class

Basic Information
Place of Origin: CHINA
Brand Name: WINLEY
Certification: ISO,CE
Model Number: SG-50KVA
Minimum Order Quantity: 1unit
Price: $500~$60000/Unit
Packaging Details: Plywood case
Delivery Time: 10-15days
Payment Terms: T/T
Supply Ability: 1000units/month
Detail Information
Usage: Power Coil Structure: EI
Type: Step Down Input Voltage: 415V
Output Voltage: 380V Insulation: H
Standard: EN61558 UL5085 Cooling Method: Air Cooling
High Light:

50KVA Three Phase Dry Type Transformer


Step Down Transformer H Class


Three Phase Dry Type Transformer 415V To 380V

Product Description

50KVA Step Down Three Phase Dry Type Transformer 415V To 380V H Class



1. Feature

① Iron core

Using brand new high-quality high-silicon silicon steel sheet, the main material is 0.30mm thick high-quality silicon steel sheet. We select the most suitable material according to the requirements and use conditions of the guest room to achieve the best performance design of the transformer.


It adopts PEW, UEW, EIW, SEIW, FEAI enameled wire and glass fiber covered wire. The temperature resistance grades are F (155℃), H (180℃), HC (200℃), and C (220℃). (The conventional temperature resistance grade is H-class 180℃).




Product Name Three phase dry type transformer
Product Model SG-50KVA
Winding Material Enameled copper wire
Capacity 50KVA
Input Voltage 415V
Output Voltage 380V
Frequency 50/60Hz
Connection Type DYN1
Insulation Level F/H
Enclosures Protection Level IP00
Pressure-tight Test 3500V/min
Insulation Resistance >100MΩ
Ground Resistance 25A<100milliohm
Induction Withstand Voltage Test 125Hz / 830V / 60s
Cooling Method Natural or air cooling
Temperature Rise ≤115K
Transformation Ratio <3%
Air Carrying Current <3%
Impedance Voltage about 4.5%
Total Losses 4%
Efficiency 80%--99%
Operating Temperature -15℃~40℃ (40℃, 90%R.H., 56days)
Storage Temperature -25℃~100℃(40℃, 90%R.H., 56days)
Certificate CE,ISO
The technical parameter for reference only, for exactly technical information, please feel free to contact us!


50KVA Step Down Three Phase Dry Type Transformer 415V To 380V H Class 0


50KVA Step Down Three Phase Dry Type Transformer 415V To 380V H Class 1

50KVA Step Down Three Phase Dry Type Transformer 415V To 380V H Class 2




1. Q: Can I have a sample order?

A: Yes, we welcome sample order to test and check quality.

2. Q: What is the lead time?

A: Sample time 3-7 days, we usually ship by DHL, UPS, FedEx,etc. Mass production time 7-25 days.

3. Q: How long is the warranty?

A: 24 monthes from B/L. If there are any accessory problems,just provide the photos of damaged accessory,then we will provide free service. According to the number of products,we will provide easily damaged accessories for free. we also can provide technical support if you need.

4. Q: Is OEM/ODM available?

A: Yes,it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements.

Customized services:

a. Customized color and special function.

b. Customized box.

c. Print customer's logo(MOQ:≥10pcs).

d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.

5. Q: How to control the products quality?

A: Our company owns the core technology ,all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors.The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.

Contact Details

Phone Number : 86-18650108051

WhatsApp : +8618650108051