VPI Lighting Transformers

VPI Lighting Transformers

SALIENT FEATURES OF VPI

  • Specially designed Step Core for reduced Losses
  • Multiple Conductors for better Heat Dissipation
  • Vacuum Pressure Impregnated for better penetration
  • Mechanical Sturdy Design to withstand Vibrations
  • Thermistors embedded in Winding for Over Temperature Protection
  • Round Coils for better Short Circuit withstand Capacity
  • Low Noise

OTHER SPECIFICATIONS
  • Insulation Class F as Standard ; H Class Insulation can be provided on request
  • Termination: Nickel Plated Brass Bolts as standard, Bus Bars on request
  • Noise level less than 60dB at rated load at 1 meter Distance

STANDARD ACCESSORIES
  • Lifting Lugs
  • IP 20 Enclosure
  • Relay for Alarm and Trip
  • Earthing Bolts
  • Rating and Diagram Plate

Typical Specifications for VPI Lighting Transformers

Rating Standard Voltage Ratio Dimensions Losses % Impedance
L W H No Load Full Load
10 415/415 600 600 600 160 220 <4%
25 415/415 700 700 700 280 600 <4%
30 415/415 700 700 700 300 625 <4%
40 415/415 830 700 720 350 650 <4%
50 415/415 900 750 750 375 800 <4%
60 415/415 950 775 875 400 825 <4%
70 415/415 950 775 900 600 850 <4%
75 415/415 1025 800 950 650 900 <4%
80 415/415 1050 800 950 700 1200 <4%
100 415/415 1050 800 950 750 1500 <4%
125 415/415 1080 800 1000 800 1800 <4%
150 415/415 1200 900 1000 1000 2400 <4%
200 415/415 1300 1000 1050 1300 3000 <4%
250 415/415 1300 1000 1300 1400 3600 <4%
350 415/415 1450 1000 1600 1600 4000 <4%
450 415/415 1650 1000 1650 1750 4500 <4%
500 415/415 1650 1400 1650 1800 5000 <4%

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Cast Resin Lighting Transformers

Cast Resin Lighting Transformers

Cast Resin Lighting Transformers

SALIENT FEATURES FOR CAST RESIN

  • Specially designed Step Core for reduced Losses
  • Multiple Conductors for better Heat Dissipation
  • Robust Design
  • Environment Friendly Design Due to reduced copper losses
  • Thermistors embedded in Winding for Over Temperature Protection
  • Round Coils for better Short Circuit withstand Capacity
  • Low Noise
  • Reduced maintenance cost

Typical Specifications for Cast Resin Lighting Transformers

Rating Standard Voltage Ratio Dimensions Losses % Impedance
L W H No Load Full Load
20 415/415 700 600 600 275 600 < 4%
25 415/415 700 600 600 275 650 < 4%
30 415/415 950 700 775 250 500 < 4%
40 415/415 950 700 800 350 750 <4%
50 415/415 1000 750 850 400 800 < 4%
60 415/415 1050 750 850 550 850 <4%
70 415/415 1050 800 900 550 850 < 4%
75 415/415 1100 800 900 600 900 < 4%
80 415/415 1100 825 900 600 900 < 4 %
100 415/415 1125 900 950 650 1400 < 4%
150 415/415 1150 950 950 1000 2400 < 4 %
180 415/415 1200 1000 1000 1100 2800 < 4%
200 415/415 1300 1000 1000 1400 3600 < 4%
250 415/415 1400 1100 1100 1400 3600 < 4%


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