EI41 24V UL power transformer
EI41 Transformer with Cable
Single or Dual Primary)115/230V)
·Designed to meet International Safety Requirements
·Inherently Limited Versions available
·UL94V-0 Rated materials
·4500 Vrms Isolation Strength(Pri:Sec)
·Designed for EN60950,UL1477 and UL1581
·Class B Insulation
Function:
Transfer AC voltage of 100V, 110V, 120V, 200V, 220V, 230V, 240V to lower AC voltage. The input could be provided with single, double or triple voltage winding. Output can be provided from single to several winding. The size of our EI Transformer from EI-28 to EI-114, capacity up to 150W. We can supply with both screw mountings and pin dipping types.
Application:
This single-phase transformer is widely applied to the little power of DVD, hi-fi stereo, TV, small adaptor, beauty equipment, instruments and Apparatuses equipment, stage light, lighting control circuit, air-conditioning equipment control circuit, medical equipment, monitoring equipment, automation equipment control circuit, machinery and equipment, energy-efficient equipment.
Basic Data
Capacity: 1VA-100VA
Phase: Single
Input: AC Power with Voltages of Various Countries
Output: AC Current, Voltage, According to Customers Requirements
Frequency: 50-60Hz
Voltage Regulation: 12%-3%
Manufacture Standard: GB/T15290-94, GB/19212-2006, GB2828-2829-87
Insulation Class: B, 130 Celsius Degree; E, 120 Celsius Degree
Temperature-rise: ≤85 Celsius Degree
perature-rise: ≤85 Celsius Degree
| MODEL | Voltage | Current |
| EI-41 | 3.0-24.0V | 150-2500mA |
Features:
a) High efficiency
b) Low heat generation
c) 3 frames or full isolation bobbin
d) The cores are lapped by silicon steel sheet of high - quality and have been treated by insulation
e) Clean appearance and convenient installation
f) Competitive pricing.
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
Operating environment:
1) Temp.: The ambient temperature can not over +40°C.
2) Altitude: Mounting location can not exceed the altitude of 2000m
3) Relative humidity: Maximum 90%
4) The site not attack by rain and snow
5) The medium which no explosion danger, no corroding metal, no electrical breakdown
KEY FEATURES:
Feature of Low Frequency Transformer
1.Small idle current
2.Strong load capacity
3.Multiple output windings
Technology parameters of Power supply transformer:
1.Primary voltage: 440V/415V/380V/220V/200V( Customer designated)
2.Secondary voltage:380V/220V/200V/110V/100V/36V/24V/12V/6.3V/3.6V( Customer designated)
3.Operational frequency:50/60Hz
4.Insulation class: T40/B(130℃);T40/F(155℃); T40/H(180℃)@50Hz&Rated current
5.Dielectric strength:P-S 2500V/1min No breakdown
6.P-E 2500V/1min No breakdown
7.Insulation resistor:≥100MΩ
8.Cooling way:(Air cooling)
9.Linking way:Y/Y Y//Y Customer designated
10.Temperature rise limitation:Core does not exceed 80K(thermometer method)),the coil temperature does not exceed 80K(platinum resistor method).
11.Working noise:<60dB(horizontal distance with transformer is 1 meter)
power transformer
ELECTRICAL SPECIFICATIONS:
Model | EI41 |
Thick of Iron core(MM) | 13-28 |
Maximum output power(W) | 12 |
Input rated voltage | Single phase:220VAC |
Operation efficiency | 50HZ |
Output voltage | 13.5VAC |
Output current | 0.5A |
Power | 6W |
Specifications | EI41*20 |
Efficiency | ≥98% |
Temperature rise | <85℃ |
Waveform distortion | <0.1% |
Dielectric strength | 2000V,Without breakdown in one minute |
Insulation Resistor | Winding insulation resistor to single phase≥2.2MΩ |
Conditions of Use | 1.Ambient Temp.:-15℃~+40℃ |
2.Relative humidity:≤85% | |
Input/Output voltage(V) | Single phase input voltage can meet the requirements |
Remark | EI41*20 low frequency transformer shown as the above is one of the related technical parameters.Our company can make low frequency transformers(EI28-EI105) with different specifications according to client's requirement. Welcome to inquire. |
Application | Widely used in instruments,power supply of |
Price | The price mainly depends on the process complexity |
Product Details
Capacity: 1VA-550VA
Phase: Single
Input: AC Power with Voltages of Various Countries
Output: AC Current, Voltage, According to Customers Requirements
Frequency: 50-60Hz
Voltage Regulation: 12%-3%
Insulation Class: B, 130 Celsius Degree; E, 120 Celsius Degree
Temperature-rise: ≤85 Celsius Degree
The Pcb mount encapsulated power transformer EI41 inspection subject:
1.No-load test (Included no-load voltage, no-load current and no-load loss)
2.Load test (Included load voltage and temperature rise)
3. Inductive voltage test
4.DC resistance test
5.Insulation resistance
6. Hi-POT test CRGO
7.Outlook inspection
