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
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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.