28VA Toroidal Isolation Transformer 280V to 22V/19.3V for Telecommunications with Copper Windings
Price:
$5-$1000
MOQ:
100Units
Delivery Time:
10-15days
Brand:
WINLEY
Product Description
Product Overview
28VA small toroidal isolation transformer designed for tele-communications applications, converting 280V input to 22V/19.3V output with high efficiency and reliability.
Key Features
- Customizable primary and secondary voltage configurations
- Multiple connection and harnessing options available
- Custom mounting solutions and enclosures
- Low-profile design for space-constrained installations
- Copper winding material for optimal conductivity
- OEM/ODM services supported
Technical Specifications
| Parameter | Specification |
|---|---|
| Capacity | 28VA |
| Frequency | 50/60Hz |
| Max. Temperature | 60℃ |
| Temperature Rise | <60℃ |
| Insulation Class | B/F |
| Voltage Ratio | 280VAC-22V/19.3V |
| Winding Material | Copper |
| Insulation Resistance | PRI.-SEC.: 500V DC 100 MΩ Min. |
| Short-Circuit Test | PRI. Input: 440V AC 150HZ (No breakdown) |
| Hi-Pot Test | PRI.-SEC.: 4.2KV/5mA/2S (No breakdown) |
| Standards Compliance | VDE0550/IEC204-1/IEC61558/EC439 |
| Warranty | 24 months |
Industry Applications
- Green Power - Isolation transformers and power conversion components
- Military - High-reliability transformers and power chokes
- Tele-communications - Power chokes, filter chokes, and isolation transformers
- Medical - Low stray field and low leakage current power solutions
- Industrial - Control transformers, isolating safety transformers, and power inductors
- Rail - Safety-critical transformers and filters for railway applications
Frequently Asked Questions
Can I order samples for testing?
Yes, we welcome sample orders to test and verify product quality. Sample delivery typically takes 3-7 days via DHL, UPS, or FedEx.
What is your production lead time?
Mass production requires 7-25 days depending on order quantity and customization requirements.
What warranty do you provide?
We offer a 24-month warranty from bill of lading date. We provide technical support and replacement of damaged components with photographic evidence.
Do you offer OEM/ODM services?
Yes, we are a manufacturer with our own R&D team and can customize products according to customer specifications, including colors, functions, packaging, and logo printing (MOQ: ≥10pcs).
How do you ensure product quality?
All products hold CE certification and undergo rigorous quality control. Our engineering team provides technical guidance throughout production, with regular inspections and comprehensive performance testing.
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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