Basic Info.
Usage
Single-phase Transformer, Rectifier Transformer, Power Transformer
Frequency Characteristics
Low Frequency
Shape of Core
Ring
Brand
Okerda
Type
Toroidal Core Transformer
Feature
Low Rise High Efficiency
Frequency
50/60Hz
Input/Output
Custom Designed
Main Application
Step Down Transformer
Transport Package
Plywood Cases & Pallets
Specification
Customized
Trademark
OEM
Origin
China
HS Code
8504319000
Production Capacity
1000000PCS/Month
Product Description
Low Frequency Power Converter 50Hz 220v 110V output Step Up Down Transformer
Features:
1) Input: 230V/220V or customized
2) Frequency: 50Hz/60Hz
1) Input: 230V/220V or customized
2) Frequency: 50Hz/60Hz
3) High efficiency Lighting Range
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
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 Standard;
4. OEM & ODM;
5. Competitive price,in time delivery and perfect after-service online.
FAQ
Q1: What's your MOQ?
A1:Our usual MOQ is 1000pcs.
Q2. Can I place a sample order?
A2: Yes, welcome sample orders.
Q3: What's the delivery time for samples?
A3: Usually 4-7 working days.
Q4: What's the lead time for mass production?
A4: About 20 working days, based on your order quantity.
Q5: Which payment methods are acceptable to you?
A5: T/T, L/C, Western Union, Paypal etc.
Q6: Can you make customized products?
A6: Yes, of course. We will do as per customer's design.
Q7: Is OEM accepted?
A7: Yes, welcome OEM project.
Q8: Is it ok to print my logo on the label?
A8: No problem, we can make it exactly as per your requirements.