Ring Core Toroidal Transformer, Step Up and Down Power Transformer
Applications:
1. Toroidal power transformer for pure sine wave inverter.
2. Toroidal power transformer for audio amplifiers.
3. Toroidal power transformer for solar inverter.
4. Toroidal power transformer for audio and video product.
5. Toroidal power transformer for UPS etc.
Technical parameters
| Model Number | Power(VA) | Adjusting Rate(%) | Efficiency(%) | Exterior Dimension(mm) | Weight(kg) | Installing Aperture(mm) | Screw(mm) | |
| Height(A) | Exterior(B) | |||||||
| OKD-15 | 15 | 20 | 73 | 25 | 65 | 0.38 | Φ6.5 | M6 |
| OKD-30 | 30 | 16.5 | 76.6 | 30 | 78 | 0.6 | Φ6.5 | M6 |
| OKD-50 | 50 | 15.2 | 82.4 | 35 | 82 | 0.85 | Φ6.5 | M6 |
| OKD-80 | 80 | 12.6 | 84.7 | 38 | 88 | 1.1 | Φ6.5 | M6 |
| OKD-100 | 100 | 11.2 | 86.5 | 45 | 93 | 1.5 | Φ8.5 | M8 |
| OKD-120 | 120 | 9.6 | 88 | 42 | 115 | 1.6 | Φ8.5 | M8 |
| OKD-150 | 150 | 7.2 | 88.1 | 47 | 103 | 1.9 | Φ8.5 | M8 |
| OKD-160 | 160 | 6.6 | 88.6 | 42 | 118 | 2.1 | Φ8.5 | M8 |
| OKD-200 | 200 | 6.1 | 89.7 | 48 | 120 | 2.4 | Φ8.5 | M8 |
| OKD-250 | 250 | 5.5 | 90.3 | 50 | 127 | 2.9 | Φ8.5 | M8 |
| OKD-300 | 300 | 5.2 | 91.7 | 55 | 127 | 3.2 | Φ8.5 | M8 |
| OKD-400 | 400 | 4.6 | 93 | 56 | 146 | 4.5 | Φ8.5 | M8 |
| OKD-500 | 500 | 4.0 | 94 | 57 | 147 | 5.0 | Φ8.5 | M8 |
| OKD-600 | 600 | 4.1 | 95 | 72 | 155 | 6.7 | Φ8.5 | M8 |
| OKD-700 | 700 | 3.8 | 95 | 82 | 162 | 8.9 | Φ8.5 | M8 |
| OKD-800 | 800 | 3.8 | 95.1 | 72 | 170 | 8.2 | Φ8.5 | M8 |
| OKD-1000 | 1000 | 3.3 | 95 | 83 | 163 | 9.5 | Φ10.5 | M10 |
| OKD-1200 | 1200 | 2.9 | 96.2 | 85 | 165 | 11.00 | Φ10.5 | M10 |
| OKD-1500 | 1500 | 2.9 | 96 | 90 | 170 | 13.00 | Φ10.5 | M10 |
| OKD-2000 | 2000 | 2.8 | 96 | 105 | 180 | 15.6 | Φ10.5 | M10 |
| OKD-3000 | 3000 | 2.5 | 97 | 110 | 210 | 22.3 | Φ10.5 | M10 |
| OKD-3500 | 3500 | 2.4 | 97 | 115 | 245 | 25.2 | Φ13.5 | M13 |
| OKD-4000 | 4000 | 2.3 | 97 | 130 | 260 | 31.5 | Φ13.5 | M13 |
Features:
1) Power: 15VA to 4, 000VA
2) Frequency: 50Hz/60Hz
3) Universal purpose
4) Low no-load losses
5) Low mechanical hum
6) Low magnetic leakage
7) High efficiency
Testing process
1. No-load test (included no-load voltage, no load current and no load loss);
2. Inductive voltage test;
3. Load test (load voltage and temperature rise;
4. Temperature rise test;
5. Insulated resistance;
6. Hi-pot test;
7. Leakage inductance test;
8. DC resistance test;
9. Surface inspection.
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Packing&Shipping