SolaHD™ Low Temperature Rise Ventilated Transformers

Low temperature rise transformers feature a +220°C insulation system and temperature rise of only +80°C or +115°C under full nameplate load. The result is 13-21 percent lower operating losses compared to conventional +150°C rise units. The reduction in temperature rise also increases reliability due to a +35°C thermal reserve on +115°C rise units and a +70°C reserve on +80°C rise units. When operated as +150°C rise units, they provide a short term overload capacity of 15-30 percent.

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Features

  • UL
  • UL-3R ventilated outdoor enclosures when used with optional weather shields (order separately)
  • UL Class +220°C insulation system, +80 °C or +115 °C temperature rise under full load
  • Terminal board connections and spacious wiring compartment
  • Panel enclosure design with wiring diagram on inside front cover reduces labor time
  • High efficiency for low-cost operation
  • Compliant with NEMA�DOE standards
  • Fast delivery

Specifications

Group 1
Single Phase. 240 x 480 Volt Primary, 120/240 Secondary. 15, 25, 37.5, 50, 75, 100 kVA
Group A
Three Phase. 480 ∆ Primary, 208Y/120 Secondary. 15, 30, 45, 75, 112.5, 150, 225, 300 kVA
Group B
Three Phase. 480 Volt ∆ Primary, 240 Volt ∆, Secondary with reduced capacity center tap. 15, 30, 45, 75, 112.5, 150, 225, 300 kVA
Hertz
60 Hz
Number of Phases
Three Phase
Temperature Rise
+80°C or +115°C
Windings
Aluminum

Documents & Drawings