BK(DK) series single phase transformers is suitable for circuit of 50~60Hz, voltage up to 500V, usually applied as power supply for machine tool electrical appliances, local lightings and indicator lamps.

1.Input voltage: rated voltage ±10%

2.Output voltage: rated voltage +5% (no load)

3.Efficiency: ≥95%

4.Waveform distortion: no additional waveform distortion

5.Function: indication of input voltage, output voltage and current.

6.Protection: over-current protection

7.Can operate itself without anybody attending for a long term

8.Insulation resistance: ≥50MΩ

9.Electric strength: no breakdown or flashover phenomenon under power frequency sine voltage of 2000V for 1min

10.Overload capability: for 1min under two times of rated current

Working conditions

1.Ambient temperature: -15°C~+40°C

2.Altitude: <1000m

3.Relative humidity: <90%

4.Environment exists without gas, steam, chemical deposition, dust or dirt that will affect transformer's insulation seriously, also explosive or corrosive medium is not allowed.

5.If any special working conditions that are not in line with the above stipulations, user shall negotiate with us.