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Part Numbers

Part Number Ratio
120-101 100:5
120-121 120:5
120-151 150:5
120-201 200:5
120-251 250:5
120-301 300:5
120-401 400:5
120-501 500:5
120-601 600:5
120-801 800:5
120-102 1000:5
120-122 1200:5
120-132 1300:5
120-142 1400:5
120-152 1500:5
120-162 1600:5
120-182 1800:5
120-192 1900:5
120-202 2000:5
120-222 2200:5
120-252 2500:5
120-302 3000:5
120-322 3200:5
120-352 3500:5
120-402 4000:5
120-452 4500:5
120-503 5000:5
120-603 6000:5
120-101-1 100:1
120-121-1 120:1
120-151-1 150:1
120-201-1 200:1
120-251-1 250:1
120-301-1 300:1
120-401-1 400:1
120-501-1 500:1
120-601-1 600:1
120-801-1 800:1
120-102-1 1000:1
120-122-1 1200:1
120-132-1 1300:1
120-142-1 1400:1
120-152-1 1500:1
120-162-1 1600:1
120-202-1 2000:1
120-222-1 2200:1
120-252-1 2500:1
120-302-1 3000:1
120-322-1 3200:1
120-352-1 3500:1
120-402-1 4000:1
120-452-1 4500:1
120-503-1 5000:1
120-603-1 6000:1

Toroidal Current Transformer Model 120 (5.75" dia.)

Toroidal Current Transformers designed for use with ammeters, wattmeters and cross current compensation or for relay driver applications. Large window round case design. 600V, 10 kV BIL Full Wave, CSA and UL Recognized.

Ratio200:5 to 4000:5
Window Size5.75" Diameter
ApplicationRelay and Metering
Frequency50–400 Hz
Insulation Level600V, 10kV BIL Full Wave
StandardsCSA 66.1-06, CSA 66.2-06, IEEE C57.13, UL 506
WeightApprox. 9 lbs.
  • Flexible leads are UL 1015, 105°C, CSA approved #16 AWG, 24" long standard. Non-standard lengths available on request.
  • Mounting Bracket Kit available (P/N 1121A00018-4) for Model 120SHT, sold separately.
  • Other ratios available on request.
  • 5 AMP secondary standard.