70VA Isolation Toroidal Auto Transformer 230VAC to 24VAC with Copper Windings and 60℃ Temperature Rating
Price:
$20-$1000
MOQ:
100Units
Delivery Time:
10-15days
Brand:
WINLEY
Product Description
Product Overview
70VA isolation electronic toroidal auto transformer designed for converting 230VAC input to 24VAC output. This compact and efficient transformer features copper windings and meets international safety standards including VDE0550, IEC204-1, IEC61558, and EC439.
Key Advantages
- 50% lighter weight and lower temperature rise compared to conventional transformers of same capacity
- No impregnation required, eliminating environmental hazards from laminate noise
- Compact toroidal design saves space, allowing smaller chassis plates and enclosures
Technical Specifications
| Parameter | Specification |
|---|---|
| Capacity | 70VA |
| Frequency | 50/60Hz |
| Maximum Temperature | 60℃ |
| Temperature Rise | <60℃ |
| Insulation Class | B/F |
| Voltage Ratio | 230VAC-24VAC |
| Winding Material | Copper |
| Insulation Resistance | Primary to Secondary: 500V DC 100MΩ Minimum |
| Short-Circuit Test | Primary Input: 440V AC 150Hz (No breakdown) |
| Hi-Pot Test | Primary to Secondary: 4.2KV/5mA/2S (No breakdown) |
| Mounting Accessories | Metal plate and rubber gasket provided |
| Warranty | 24 months |
VA Calculation Guide
Single Winding Calculation:
Secondary VA = Voltage × Current (Example: 5V × 500mA = 2.5VA)
Primary VA Calculation:
VA(Primary) = VA(Secondary)
Multiple Winding Calculation:
Total Secondary VA = Sum of (Voltage × Current) for each winding
Frequently Asked Questions
Can I order samples?
Yes, we welcome sample orders for quality testing. Delivery: 3-7 days via DHL, UPS, or FedEx.
What is the production lead time?
Mass production requires 7-25 days depending on order quantity.
What warranty do you provide?
24-month warranty from bill of lading date. We provide free replacement for damaged accessories and technical support as needed.
Do you offer OEM/ODM services?
Yes, we provide full customization including color, functions, packaging, and logo printing (MOQ: ≥10pcs).
How do you ensure product quality?
All products hold CE certification with professional engineering oversight. Quality control includes production monitoring, performance testing, and comprehensive final inspection.
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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