50kva 3 Phase Dry Type Isolation Transformer Low Voltage Multi-Tap 380V 400V 420V

Overview

The 50KVA Dry Type Isolation Transformer is a robust, high-performance transformer engineered for industrial and commercial applications where reliable electrical isolation, safety and efficiency are essential. Designed with premium materials and a proven dry-type construction, this transformer delivers stable power transfer, low noise, and long service life without the need for liquid cooling.

Key Specifications

• Product Name: Dry Type Isolation Transformer
• Rated Power: 50 kVA
• Input Voltage: 400 V
• Input Current: 72.17 A
• Output Voltage: 380 / 400 / 420 V (selectable)
• Output Current: 72.17 A
• Phase / Connection: 3-phase, YNyn0
• Frequency: 50 Hz
• Insulation Class: H
• Ingress Protection: IP23
• Cooling Method: AN (Air Natural)
• Tap Ratio Tolerance: ±3% (maximum)
• Maximum Temperature Rise: 125 K
• Operating Ambient Temperature: -25 °C to 40 °C
• Storage Temperature: -25 °C to 60 °C
• Maximum Altitude: 1000 m (above sea level)
• Derating: For every additional 100 m above 1,000 m, rated capacity decreases by 1%
• Maximum Relative Humidity: 93%
• Noise Level: ≤ 65 dB
• Weight (Reference): 300 kg

Features & Benefits

1. Dry-type, maintenance-friendly design: Eliminates the risks and maintenance needs associated with liquid-filled transformers, making it safer and more environmentally friendly for indoor installations.
2. High insulation class (H): Ensures excellent thermal endurance and reliability under demanding conditions.
3. Stable voltage output: Multiple output voltage options (380/400/420 V) and a ±3% tap ratio enable flexible voltage regulation to suit various loads and applications.
4. IP23 protection: Suitable for many indoor and sheltered outdoor environments; protects against solid objects and water spray.
5. Low operating noise: Noise level at or below 65 dB ensures a quiet working environment suitable for commercial and industrial settings.
6. Altitude compensation: Built-in derating guidance helps ensure reliable performance at higher elevations.
7. Robust cooling (AN): Natural air cooling provides efficient thermal management without auxiliary systems.

Specification

Production process

FAQ

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.

WINLEY is located in Xiamen, China. We are specialized in manufacturing all kinds of transformers, voltage stabilizers, voltage regulators, etc. The products are widely used in industrial machinery, new energy, power generation, power supply, coal, metallurgy, petroleum, chemical, construction, port, airport, railway transportation, urban infrastructure, and other areas.

With more than 17 years experience, WINLEY always adhere to the route of "Integrity makes brand,quality wins the market"! We have a professional R&D team, a quality control team, scientific production management system and comprehensive customer service system.

WINLEY holds ISO 9001:2015 quality management system certification, All products have approved by CE certification, we can also apply for UL(Authorized by partner), SASO, SONCAP, etc. according to customer requirements.

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

And we will continue to carry forward the integrity of compliance, scientific and technological innovation, win-win cooperation spirit, provide quality products and comprehensive service to all partners, and work hard for the development of the world’s green electrical power.