Bulletin T-4
General Description: Ordering Instructions:
* Transgun/Robot Type Transformer * Order by model number shown
* Wound Core * Specify tap switch position on
* Frame Cross Section 5 1/2" X 6 3/4" 5-way mount models
Single Secondary Voltage Models
KVA Rating Secondary Impedance Refered to Model Number Weight Dwg. Frame Turns Ratio 460 Volt
110 C Rise Voltage Secondary in Micro Ohms   Approx. No. Letter    
        Polar Rectangular 460 V 60 Hz       Parallel Series
  Parallel Parallel Parallel            
35 3.44 34.7 @ 37.3 27.6 + j21 T46635GA1KTWX 67 R1820 GA 134:1 134:2
  Series Series Series            
  6.88 139 @ 37.3 110.4 + j84            
  Parallel Parallel Parallel            
50 4.50 40.5 @ 36.4 32.6 + j24 T46650GB1KTWX 82 R1820 GB 102:1 102:2
  Series Series Series            
  9.00 162 @ 36.4 130.4 + j96            
  Parallel Parallel Parallel            
65 5.67 44.8 @ 35.8 36.4 + j26.2 T46665GC1KTWX 100 R1820 GC 81:1 81:2
  Series Series Series            
  11.34 179.2 @ 25.8 145.6 + j104.8            
  Parallel Parallel Parallel            
80 6.97 50 @ 35 40.9 + j28.7 T46680GD1KTWX 114 R1820 GD 66:1 66:2
  Series Series Series            
  11.94 200 @ 35 163.6 + j114.8            
5 - Way Mount Tap Switch Models
KVA Rating Secondary Impedance Refered to Model Number Weight Dwg. Frame Turns Ratio 460 Volt
110 C Rise Voltage Secondary in Micro Ohms   Approx. No. Letter (xx:1 unless in Series xx:2)
  1 2 3 Polar Rectangular 460 V 60 Hz       Tap 1 Tap 2 Tap 3
35 2.96 3.19 3.43 38 @ 36.4 30.4 + j22.9 T46635GA1DTWX 74 R1803 GA      
50 4.00 4.29 4.50 44.6 @ 33.9 37.0 + j24.9 T46650GB1DTWX 89 R1803 GB 115 107 102
65 5.00 5.34 5.75 49.8 @ 34.4 41.1 + j28.1 T46665GC1DTWX 107 R1803 GC 92 86 80
80 6.30 6.76 7.08 55.7 @ 36.1 45.0 + j32.8 T46680GD1DTWX 121 R1803 GD 73 68 65
Standard Features: Optional Features:
* Class "F" insulation * Voltages and frequencies other than shown
* Fully potted construction available on request
* Interchangeable with other manufactures * Thermostat on 5-way mount tap switch models
* Thermostat on Single Secondary Voltage Models * Special secondary pads
* Primary disconnect plug (Amphenol)
* Primary power service cable to
automotive standards
* Secondary shunt adapters
* Metric Threads