250KVA Dry Type Three Phase Auto Isolation Transformer Step Down - 98% Efficiency, <65dB Noise, Operating Voltage <1KV
Price:
$500-$100000
MOQ:
1unit
Delivery Time:
30days
Brand:
WINLEY
Product Description
Product Overview
The SG series 250KVA dry type three-phase auto isolation transformer is engineered for step-down voltage applications in demanding industrial environments. Constructed with premium materials and advanced manufacturing techniques, this transformer offers exceptional damp-proof performance and simplified maintenance capabilities.
Key Applications
- Electrochemical Industry: Ideal for rectifier transformer applications in aluminum, magnesium, copper, and other non-ferrous metal electrolysis processes
- DC Power Traction: Suitable for mining and urban electric locomotive DC grids, designed to handle frequent starts and short-time overload conditions
- DC Power Transmission: Provides reliable power supply for DC motors in electrical drive systems, including rolling machine armature and excitation applications
- Infrastructure Projects: Perfect for underground railways, high-rise buildings, airports, stations, wharves, industrial enterprises, and tunnel installations
Technical Specifications
| Parameter | Specification |
|---|---|
| Application | UPS Uninterrupted Power Supply Industry |
| Operating Voltage | < 1KV |
| Operating Frequency | 50/60Hz |
| Dielectric Strength | 3.5KV, no breakdown within 60s |
| Insulation Resistance | 100MΩ Minimum / DC500V |
| Insulation Class | B, F, H |
| Efficiency | ≥98% |
| Operating Temperature | -25℃ to +50℃ |
| Cooling System | AN/FN |
| Noise Level | < 65 dB |
| Operating Altitude | < 4,000 meters |
| Design Standards | IEC61558.1 / GB6450 |
Manufacturing Process
Frequently Asked Questions
Can I place a sample order?
Yes, we welcome sample orders for quality testing and verification. Sample delivery typically takes 3-7 days via DHL, UPS, or FedEx.
What is the production lead time?
Mass production requires 7-25 days, depending on order quantity and customization requirements.
How long is the warranty period?
We provide a 24-month warranty from the bill of lading date, including technical support and replacement of damaged components.
Are OEM and ODM services available?
Yes, we offer comprehensive customization including colors, special functions, packaging, and logo printing (minimum order quantity: 10 pieces).
How do you ensure product quality?
All products hold CE certification and undergo rigorous testing throughout production. Our technical team supervises each manufacturing process to ensure compliance with specifications.
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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