30KVA EI Square Type Three Phase Auto Transformer 380V/220V Air Cooling with 98% Efficiency and IP54 Protection
Price:
$20-$8000
MOQ:
1unit
Delivery Time:
10-15days
Brand:
WINLEY
Product Description
Product Overview
30KVA EI/Square Type Three Phase Auto Transformer designed for efficient voltage conversion from 380V to 220V with air cooling technology. This industrial-grade transformer delivers reliable performance with ≥98% efficiency and supports continuous duty cycle operation.
Operating Environment Specifications
- Ambient air temperature range: -40℃ minimum
- Relative humidity: Maximum 90% monthly average at 25℃, accounting for surface condensation
- Installation in stable locations without significant vibration or shock
- Non-explosive environments free from corrosive gases and conductive dust
- Indoor use protected from rain and snow exposure
Technical Specifications
| Parameter | Specification |
|---|---|
| Type | Dry Type Auto Transformer |
| Rated Power | Up to 5000KVA |
| Input Specifications | |
| Voltage | Rated Voltage ≤ 1000V |
| Current | Rated power / Input Voltage / 1.732 |
| Connection | Delta/Wye |
| Frequency | 50/60Hz |
| Phase Number | Single/Three |
| Output Specifications | |
| Voltage | Rated Voltage ≤ 1000V |
| Current | Rated power / Output Voltage / 1.732 |
| Connection | Delta/Wye |
| Frequency | 50/60Hz±5% |
| Phase Number | Single/Three |
| Vector Group | Yyn0/Dyn11 |
| Impedance Voltage | 4% |
| Efficiency | ≥98% |
| Duty Cycle | 100% Continuous |
| Winding Material | Aluminum/Copper |
| No Load Current | <4% |
| Insulation Class | F/H |
| Insulation Resistance | ≥10MΩ |
| Withstand Voltage | 2500V, 1 Minute, No Flashover and Damage |
| Coil Temperature Rise | ≤120K |
| Cooling Method | Natural Convection (AN) / Forced Air (AF) |
| Protection Degree | Indoor IP20 (NEMA 1) / Outdoor IP54 (NEMA 3) |
| Standards | IEC and EN Compliance |
Product Images
Frequently Asked Questions
Q: Can I place a sample order?
A: Yes, we welcome sample orders for quality testing and verification. Shipping via DHL, UPS, FedEx available.
Q: What is your production lead time?
A: Sample production: 3-7 days. Mass production: 7-25 days depending on order quantity.
Q: How long is the warranty period?
A: 24 months from bill of lading date. We provide free replacement for damaged accessories with photo documentation and technical support as needed.
Q: Do you offer OEM/ODM services?
A: Yes, we are a manufacturer with dedicated R&D team. Customization options include: color and function modifications, custom packaging, logo printing (MOQ ≥10pcs), and custom design implementation. All custom requirements must be confirmed before production.
Q: How do you ensure product quality control?
A: All products hold CE certification with core technology ownership. Our quality process includes: professional engineering oversight, strict adherence to technical drawings, regular QC inspections, performance testing during production, and comprehensive final quality verification.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Xiamen Winley Electric Co.,Ltd
Location
No. 99 Yilan Road,Siming,Xiamen,Fujian,China
Contact Person
Steven