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Jefferson Electric Transformers Drive Isolation Three-Phase

Jefferson Electric Transformers Drive Isolation Three-Phase

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  • Style:
  • Transformer
  • Series:
  • Three-phase transformers
  • Brand:
  • Jefferson Electric Transformer
  • Availability:
  • In Stock


Three-phase transformers; Encapsulated rated 3 KVA to 11 KVA and Ventilated rated 14 KVA to 550 KVA. Designed for industrial and commercial applications using SCR-controlled adjustable frequency or DC drives.
Three-Phase Encapsulated: 3 KVA through 11 KVA*
Three-Phase Ventilated: 14 KVA through 550 KVA*
For industrial and commercial applications with SCR-controlled adjustable speed motor drives, and AC adjustable frequency or DC drives
Complete KVA range to cover all standard drive systems
Cores of high quality electrical steel
NEMA 3R-rated enclosures standard on 3 KVA through 11 KVA units
NEMA 1-rated enclosures standard on 14 KVA through 550 KVA units, convertable to 3R with optional weather shield kit
Electrostatically shielded for clean power and reduction of "notching" effect on secondary winding
Delta primary, wye secondary to match common power sources in most three-phase rectified circuits
150ºC temperature rise standard on 220°C insulation class units
Heat-cured ASA-61 gray powder coat finish
Features, Functions, Benefits
Large connection compartment for ease of wiring and installation
Internally braced for short circuit stress protection
Low impedance for better voltage regulation
Low flux density to minimize core saturation
Tap arrangements provided to compensate for input voltage variation
Quiet operation for installation flexibility
Built in accordance with NEMA, ANSI, UL and CSA standards
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Voltage Regulator

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