4000W toroidal transformer works at single phase 50Hz/ 60Hz circuit system, can step up 110V AC to 220V AC or step down 110V to 35-0-35V AC output. It features high efficiency, lower loss, excellent voltage regulation, smaller size, light weight and low temperature rise, widely applied to the small adapter, lighting control circuit, air-conditioning equipment control circuit, medical equipment, monitoring equipment, and automation equipment control circuit.
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Single phase dry-type toroidal transformer power supply with 4000VA (4000W) high power capacity, all copper design, primary voltage of 110V AC and secondary voltage of 220V AC, 2x35V (35-0-35 volt) double outputs are available. Twin secondary windings may be connected in series, parallel, or used independently.
Advantages of Relipower Toroidal Transformer
4000VA Toroidal Transformer Specifications
| Model | RELI-T-C4000VA |
| Phase | Single phase |
| Power | 4000VA (4000W) |
| Primary Voltage | 110V AC (Optional: 110V, 120V, 220V, 230V, 240V) |
| Secondary Voltage | 220V (Optional: 12V, 24V, 48V, 110V, 220V, 2x6V, 2x12V, 2x15V, 2x24V, 2x30V, 2x35V, 2x40V, 2x50V, can be customized) |
| Secondary Current | 18.18A each winding |
| No. of Inputs | 1 input |
| No. of Outputs | 1 output (4-wire 2 outputs are available) Note: For the transformer with 2 outputs 4-wire, each output provides the same voltage and current level, the sum of 2 output power capacities is equal to the total capacity. |
| Frequency | 50Hz/60Hz |
| Winding Material | Copper Wire |
| Coil Structure | Toroidal |
| Efficiency | 90%-96% |
| No-load Loss | <7.04W |
| Voltage Strength | DC2500V |
| Insulation Impedance | ≥500MΩ |
| Cooling Method | Natural air cooling |
| Temperature | +40℃ |
| Certification | CE, RoHS, ISO |
| Warranty | 12 months |
| External Diameter | 240mm |
| Height | 95mm |
| Pedestal | 240*240mm |
| Mounting Hole Distance | 240*240mm |
| Weight | 31kg |
| Package Included | 1*Toroidal transformer + 1*Accesorries sets (Nut, Shim, Metal disk, Rubber gasket, Pedestal, Screw) |
Toroidal Transformer Mounting Methods

| Weight | 31 kg |
|---|---|
| Primary Voltage (AC) | 110V, 120V, 220V, 230V, 240V |
| Secondary Voltage (AC) | 110V, 12V, 220V, 24V, 2X115V, 2X12V, 2X15V, 2X24V, 2X30V, 2X35V, 2X40V, 2X50V, 2X6V, 48V, Contact us for other voltages |
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