Single-Phase and Three phase Isolation Transformer

Single-Phase and Three phase Isolation Transformer
We're MANUFACTURER and specialize in electrical field for several years,also export products with good quality and right price in China. We can customize according to your requirements
SANDI tarnsformer accept all kinds of input and output voltage, and all kinds of power capacities.
Dry-type,Isolation,Control,Power,CE certification
DG and SG series single - phase and three - phase dry type transformer adopts high quality material and advanced technology , it has advantages of damp - proof and convenient maintenance, it can be applied to such power transmission and distribution places like underground railway , high building, airport, station, wharf, enterprise, tunnel, etc. It is mainly used in power supply occasions of AC 50 60Hz and voltage less than 500V. All the input and output voltage , connection group and capacity of tapped winding can be designed and produced according to users  requirements.
Working conditions

• Ambient temperature: -15 C +40 C
• Altitude: <1000m
• Relative humidity: <90%
• Environment exists without gas, steam, chemical deposition, dust or dirt that will affect transformers insulation seriously, also explosive or corrosive medium is not allowed
• If any special working conditions that are not in line with the above stipulations, user shall negotiate with us

Main technical characters

• Input voltage: 380V 3phase 50HZrated voltage 10%
• 2.Output voltage:125V 1phase 50HZ rated voltage +5% (no load)
• Efficiency: 95%
• .Waveform distortion: no additional waveform distortion
• Function: indication of input voltage, output voltage and current.
• Protection: over-current protection
• Can operate itself without anybody attending for a long term
• Insulation resistance: 50M
• Electric strength: no breakdown or flash over phenomenon under power frequency sine voltage of 2000V for 1min
• Overload capability: for 1min under two times of rated current