EI57*30 Transformer

Single Phase Transformer
This kind ofsingle phase distribution transformer are widely applied to AC/AC power supply, audio, video, multimedia, amplifier, IT equipment, electrical business equipment, industry control equipment, household electric equipment, lamp.

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.

Basic Data
Capacity: 25VA
Phase: Single
Input: 110V 60Hz
Output: 48V-0.41A ,11V-0.45A
Frequency: 50-60Hz
Voltage Regulation: 12%-3%
Manufacture Standard: GB/T15290-94, GB/19212-2006, GB2828-2829-87
Insulation Class: B, 
Temperature-rise: ≤85 Celsius Degree

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℃。
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




Here is This Type transformer picture belower: