300VA Waterproof Toroidal Transformer 220-240VAC to 12VAC/25A with 60℃ Temperature Rating and CE Certification
Professional-grade 300VA waterproof toroidal transformer designed for industrial applications with 220-240VAC input and 12VAC/25A output capacity.
- Core constructed from 0.23mm thick Japanese silicon steel (23Q115) with ground smooth edges
- Four-layer polyester film protection with 50% overlap coverage
- Primary winding using polyesterimid enameled QZY 180 wire with 180° temperature class
- Primary leads featuring UL1672 double insulation rated for 600V voltage and 105° temperature
| Parameter | Specification |
|---|---|
| Capacity | 300VA |
| Frequency | 50/60Hz |
| Max. Temperature | 60℃ |
| Temperature Rise | <60℃ |
| Insulation Class | B/F |
| Voltage Ratio | 220-240VAC-22VACx2 |
| Winding Material | Copper |
| Insulation Resistance | PRI.-SEC.: 500V DC 100 MΩ Min. |
| Short-Circuit Test | PRI. Input: 440V AC 150HZ (Primary and Secondary Not break down) |
| Hi-Pot Test | PRI.-SEC.: 4.2KV/5mA/2S (Primary and Secondary Not break down) |
| Mounting Plate | Provided |
| Rubber Gasket | Provided |
| Standards Compliance | VDE0550/IEC204-1/IEC61558/EC439 |
| Warranty | 24 months |
Step 1: Calculate secondary VA by multiplying voltage × current (e.g., 5V × 500mA = 2.5VA)
Step 2: Convert to primary VA using VA(Primary) = VA(Secondary)
Step 3: For multiple secondary windings, sum individual VA ratings
Yes, we welcome sample orders for quality testing. Sample lead time is 3-7 days via DHL, UPS, or FedEx.
Mass production typically takes 7-25 days depending on order quantity.
24-month warranty from bill of lading date. We provide technical support and replacement parts as needed.
Yes, we provide full customization including color, function, packaging, and logo printing (MOQ: ≥10pcs).
All products hold CE certification with professional engineering oversight, strict manufacturing processes, and comprehensive quality testing throughout production.
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