Ei28, Ei42, Ei48, Ei57, Ei66, Ei35 Type Transformers Power Low Frequency Transformer

EI28,EI42,EI48,EI57,EI66,EI35 type transformers Power low frequency transformers

    Our transformer can 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 250W. We can supply with both screw mountings and pin dipping types.  $eywords$

Basic Data: 
Capacity: 0.5VA-250VA 
Phase: Single phase
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 Degreeeywords$

Features: 
a) High efficiency,  We use good silicon sheet and good copper wire 
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