5000W 220v 110v step up and down toroidal transformer for solar inverter

Basic data:
* Capacity: 120VA - 7500VA
* Phase: single
* Input voltage: AC power with voltages of various countries
* Output voltage: AC, according to customers' requirement
* Frequency: 50/60Hz
* Power factor: 0.9 to 0.98
* Efficiency: 75 to 98%
* Voltage Regulation: 12 - 3%
* Output no-load loss: 0.5 to 10.0W
* Temperature-rise: ≤85°C
* Insulation class: B, 130°C; E, 120°C
General features:
* 100% QC from raw material to finished products
* Good price-function ratio
* Reliable performance and safety
* Small volume and low weight
* Low mechanical hum
* Good shielding performance, low magnetic leakage
* Dimension adjusted freely
* Easy to mount and fasten
* Excellent workmanship
Testing items:
* No-load test (no-load current, no-load voltage, no-load loss)
* Load test (load voltage, temperature-rise)
* Inductive voltage test
* DC resistance test
* Safety test
Key parts:
Core:
* By high-quality cold grain silicon
* Annealed by advanced vacuum annealing furnaces to improve electronic data
* Any dimension from customer available
Wire:
* Copper and aluminum available
* Weld aluminum enamel wire well to save your cost 15 - 35%, based on our know-how technology
* Thermal protector: cutoff and switch both available
Application:
* Electronic meter and apparatus
* Cable TV and digital network
* Electronic control
* Medical Equipment
* New electric power supply
* Decorative illumination system
* Monitoring and control equipment
Installation: horizontal, sunk, side type, bridge etc.
Technical parameters
Rated Power(VA) |
Outside Dimension DxH(mm) |
Weight(Kg) |
Temp Rise(ºC) |
Standard |
OKD-120 |
120x50 |
2.15 |
54 |
UL/CE/RoHS/CQC |
OKD-250 |
120x65 |
2.45 |
54 |
UL/CE/RoHS/CQC |
OKD-400 |
140x65 |
3.75 |
55 |
UL/CE/RoHS/CQC |
OKD-600 |
155x78 |
5.25 |
55 |
UL/CE/RoHS/CQC |
OKD-850 |
170x82 |
6.85 |
58 |
UL/CE/RoHS/CQC |
OKD-1000 |
175x85 |
8.46 |
58 |
UL/CE/RoHS/CQC |
OKD-1500 |
208x110 |
11.80 |
60 |
UL/CE/RoHS/CQC |
OKD-2000 |
208x130 |
15.50 |
62 |
UL/CE/RoHS/CQC |
OKD-3000 |
245x140 |
19.80 |
64 |
UL/CE/RoHS/CQC |
OKD-5000 |
270x152 |
31.20 |
65 |
UL/CE/RoHS/CQC |
OKD-7500 |
300x155 |
49.40 |
65 |
UL/CE/RoHS/CQC |
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.
WINDING
Producting Line
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.