50KVA 415V/400V/380V/240V/220V three phase isolation transformer with IP23 /NEMA 3R enclosure

FOB Reference Price:Get Latest Price
$499.00 - $1,359.00 / Set | 1.0 Set/Sets (Min. Order)
Lead Time:
Quantity(Sets) 1 - 10 11 - 50 >50
Est. Time(days) 15 30 Negotiable
Customized logo (Min. Order: 1 Sets)
Customized packaging (Min. Order: 1 Sets)


Graphic customization (Min. Order: 1 Sets) Less
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Quick Details
Place of Origin:
Shanghai, China
Brand Name:
Model Number:
Coil Structure:
Coil Number:
Input Voltage:
415V/400V/380V/240V/220V other voltage van be customized
Output Voltage:
415V/400V/380V/240V/220V other voltage van be customized
Connection Type:
Insulation level:
Earth Resistance:
Cooling Method:
Natural or air cooling
Winding material:
Enameled Copper\Aluminum
Supply Ability
Supply Ability:
200.0 Set/Sets per Month
Packaging & Delivery
Packaging Details
Wooden box or customized
Picture Example:
Lead Time :
Quantity(Sets) 1 - 10 11 - 50 >50
Est. Time(days) 15 30 To be negotiated
Video Description
Products Show
Enclosure TYPE A
Enclosure TYPE B
Enclosure TYPE C
Product Description
Product Name
Three phase transformer 
Product Model
SG/QZB/SBK/Power transformer/ZSG/SBDG/EPS UPS
Winding Material
Enameled copper/aluminum wire
Input Voltage
Can be customized
Output Voltage
Can be customized
Connection Type
Insulation Level
Enclosures Protection Class
IP20/IP23/IP65 or NEMA 3R
Pressure-tight Test

Primary to secondary2.5KV/min;
Primary to safety ground2.5KV/min;
Secondary to safety ground1.5KV/min
Insulation Resistance
Primary to secondary 2500V>100megohm;
Primary to safety ground 2500V>100megohm;
Secondary to safety ground 1500V>100megohm
Ground Resistance
Induction Withstand Voltage Test
125Hz / 800V / 60s
Cooling Method
Natural or air cooling
Temperature Rise
Transformation Ratio
Air Carrying Current
Impedance Voltage
about 4%
Total Losses
Operating Temperature
-15℃~40℃ (40℃, 90%R.H., 56days)
Storage Temperature
-25℃~100℃(40℃, 90%R.H., 56days)
The technical parameter for reference only, for exactly technical information, please feel free to contact us!
Packing & Delivery

Packing Details  : Wooden box or customized

Delivery Details : Generally it is 5-30 days after order of products.

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Our Company

       Leilang-Electric is located in Shanghai, China. We are specialized in manufacturing all kinds of transformes, voltage stabilizers, voltage regulators, reactors, etc.They are widely used in industrial equipment, CNC machinery, power generation, new energy, coal, metallurgy, petroleum, chemical, railway transportation, urban infrastructure and other areas.

    We hold the quality management system certificate compliant to the ISO 9001:2015 standard. All kinds of products hold CE certificate, and many third-party testing certificate. Our products can meet the electrical safety requirements of many countries, such as SASO, UL, etc.

    Our products are sold to Europe, North & South America, Oceania, Asia and Africa, more than 100 countries and regions in the world are using Leilang-Electric products. Products’ quality and technical service are recognized by all customers around the world, and we have cooperative distributors in some countries.

    Leilang-Electric will continue to carry forward the spirit of integrity management, technological innovation and win-win cooperation, provide top quality products and superior services to every customer, and produce more energy efficient electrical equipment, for our better tomorrow.

Our Certifications
Customer Case

Our customers  are from Europe, North & South America, Oceania, Asia and Africa,etc,.

Products' quality and technical service are recognized by all customers around the world.

Leilang-Electric always welcome you to visit our factory!


1. Q: Can I have a sample order? 
 A: Yes, we welcome sample order to test and check quality,and you need to pay the sample fee and freight.
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: 1 year 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.

If you have any questions, please do not hesitate to contact us, we will be on our priority attention and fastest reply!