4KVA Three Phase Transformer
Three phase SG isolation transformer, 500VA-400KVA
Three phase SOG auto-transformer, 1KVA-800KVA
4KVA Three Phase Transformer Three phase SG isolation transformer, 500VA-400KVA Three phase SOG auto-transformer, 1KVA-800KVA
The mode of connection can select lead wire,raw copper wire,terminal and brass crew.
Basic Data: Input Voltage:440V,420V,400V,380V,220V,110V Output Voltage:380V,220V,200V,190V,120V,110V,100V Power: Three phase isolation transformer:500VA-400KVA Three phase auto transformer:1KVA-800KVA Frequency:50-60Hz Isolation Class:E Ambient temp: -25 degree celcius to +55 degree celcius Efficient≥90% Type of cooling system: natural air drying,dry type Winding conductor material;usual use copper,can use aluminum if you have special requirements
Application: This three phase isolation transformers and three phase auto transformers are widely applied to three phase power supply of import-export equipment, safeisolation power supply, step up-down power supply, rectifier equipment power supply, detecting system, power supply,UPS power supply,CNC machine and kinds of machinery power supply.
Feature: 1) High level of isolation 2) High quality neutral-ground bond 3) High level of common-mode noise rejection 4) Conversion from Delta to Wye or the other way around 5) Easy to change voltage taps 6) Custom design for specific system.
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.
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
Certificate: The certificate of our transformer has CE CQC RoHs UL
Note: The above-mentioned single phase transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.