Basic Info.
Model NO.
Customized
Usage
Single-phase Transformer, Rectifier Transformer, Power Transformer
Frequency Characteristics
Low Frequency
Shape of Core
Ring
Brand
Okerda
Type
Toroidal Transformer
Feature
Low Cost High Efficiency
Specifications
12V 15V 24V 220V 230V 240V etc.
Quality
High Quality Transformer
Main Application
Step Down Transformer
Winding Materials
Copper / Aluminum
Transport Package
Carton on Pallet
Specification
copper or aluminum winding
Trademark
OEM
Origin
China
HS Code
8504319000
Production Capacity
1000000PCS/Month
Product Description
220 to 110 V Step Down Transformer with Aluminium Wire Aluminum Coil
Our Advantages:
1. 20 years experience in transformer and inductor manufacturing;
2. Scientific management system, strong technical team, and strict quality control system;
3. RoHS,CE,TUV and UL certified;
4. OEM & ODM;
5. Competitive price , in time delivery and perfect after-service online.
Features:
1) Input: customized
2) Output: customized
1) Input: customized
2) Output: customized
3) Power: custom designed
4) Low no-load losses
5) Low mechanical hum
6) Low magnetic leakage
7) High efficiency
Applications:
1. Used for UPS;
2. Inverter Welding Machine;
3. High Power Charger Power Supply;
4. Electric Vehicle Charging Equipment;
5. High efficiency Power Supply;
6. Switching Power Supply;
7. LED Power Supply.
PARAMETER
5) Low mechanical hum
6) Low magnetic leakage
7) High efficiency
Applications:
1. Used for UPS;
2. Inverter Welding Machine;
3. High Power Charger Power Supply;
4. Electric Vehicle Charging Equipment;
5. High efficiency Power Supply;
6. Switching Power Supply;
7. LED Power Supply.
PARAMETER
| 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 |
Winding Process
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.
Factory Line
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.
Factory Line
