December 19, 2013

Multi Tap Transformers, 139 KVA, P/N 18781NU, Input 240 VAC, Output 240/480 VAC

Product Overview

The photo of a three phase center tapped transformers, 139 KVA, part number 18781NU is shown below. The unit is housed inside an indoor enclosure. 




Three Phase Transformer 139 KVA

Specifications:

  • Transformer: 139 KVA, 3 PH, 60 Hz, P/N 18781NU 
  • Primary: 208 VAC, 3 PH, Delta, 385 Amps, no taps 
  • Secondary Tap 1: 240 VAC, 3 PH, Wye, 162 Amps, 68 KVA 
  • Secondary Tap 2: 480 VAC, 3 PH, Wye, 85 Amps, 71 KVA 
  • Indoor enclosure: 50” H x 36” W x26” D, floor mount 
  • Both Tap 1 and Tap 2 can be used simultaneously 
  • Copper bus bars are 2” x ¼” with one hole 
  • All Input/output connections are inside the enclosure

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