Drive Isolation

Products

  • Three-Phase Encapsulated: 3 KVA through 11 KVA*
  • Three-Phase Ventilated: 14 KVA through 550 KVA*

Applications

  • For industrial and commercial applications with SCR-controlled adjustable speed motor drives, and AC adjustable frequency or DC drives

Specifications

  • 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

Standards

*Options and Accessories

  • CE Marked units available as custom
  • 80°C and 115°C temperature rise available
  • Wall mount brackets available on units up to 75 KVA at 150°C temperature rise
  • Weathershields available on units 14 KVA through 550 KVA
  • Copper windings available