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Part Numbers

Part Number Ratio
191-600 60:5
191-750 75:5
191-101 100:5
191-151 150:5
191-201 200:5
191-251 250:5
191-301 300:5
191-401 400:5
191-202 2000:5
191-600-1 60:1
191-101-1 100:1
191-151-1 150:1
191-201-1 200:1
191-251-1 250:1
191-301-1 300:1
191-401-1 400:1
191-202-1 2000:1

Toroidal Current Transformer Model 191 (1.25" dia.)

Toroidal Current Transformers designed for use with ammeters, wattmeters, and cross current compensation. All models have an insulation level of 600V, 10 kV BIL Full Wave, 50–400 Hz and are CSA and UL Recognized.

Ratio100:5 to 400:5
Window Size1.25" Diameter
ApplicationAmmeter, Wattmeter & Cross Current Compensation
Frequency50–400 Hz
Insulation Level600V, 10kV BIL Full Wave
StandardsCSA 66.1-06, CSA 66.2-06, IEEE C57.13, UL 506
WeightApprox. 5.5 lbs.
  • Terminals are brass studs No. 8-32 UNC with one flat washer, one lock washer and one nut each.
  • Flexible leads available: UL 1015, 105°C, CSA approved #16 AWG, 24" long standard. Non-standard lengths available on request.
  • Mounting bracket kits available when required.
  • Other ratios available on request.