1.Certification:SGS,CCC,CE,UL,PSE,and etc 2.Type and voltage can be customized 3 Three years of guarantee period Pin transformer Advantage:1.Certification:SGS,CCC,CE,UL,PSE,and etc 2.Type and voltage can be customized 3 Three years of guarantee  period  Working Enviconment:1.Ambient air temperature: -5 degree ~+45 degree , the highest monthly mean temperature should not exceed +30°C;2.Altitude for installing place should not exceed 2000m;3.When the ambient  air  temperature is +40°C, the relative humidity should  not  exceed 50%, and  it allows  higher relative humidity under lower temperature. Max average humidity in the  dampest month is 90%,  meanwhile  the lowest  average  temperature  of  this  month is  + 25°C,  and  condensation  on  the  product  surface  caused  bytemperature change should be taken into consideration. 

Pin transformer