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Square D 74RF Torroidal Current Transformer

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Square D 74RF Torroidal Current Transformer
Manufacturer: Schneider

Rating Factor 30 °C Ambient Temp. = 1.33, Rating Factor 55 °C Ambient Temp. = 1.0

Ratios are based on one primary turn, with user-applied primary conductor. Refer to page 52 for other ratios using multiple primary turns or secondary turn

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Features Model
  • Permanent polarity marks molded into the case.
  • Large, easy-to-read ratios are clearly marked on the case.
  • Secondary terminals are #10-32 brass screws and include flat washers and bronze lockwashers for easy installation.
  • Optional mounting brackets are shipped unassembled.
  • Model 74RFT features molded mounting feet.
  • Frequency: 25-400 Hz.
  • Insulation: 10 kV BIL Full Wave (600 Volt class).
  • Applicable Standard—ANSI C57.13.
  • UL and CUL recognized per Classification XODW2.
Mfr. Part No. Description
74RFT-201 Current Rating (Amperes), 200:5
74RFT-251 Current Rating (Amperes), 250:5
74RFT-301 Current Rating (Amperes), 300:5
74RFT-401 Current Rating (Amperes), 400:5
74RFT-501 Current Rating (Amperes), 500:5
74RFT-601 Current Rating (Amperes), 600:5
74RFT-651 Current Rating (Amperes), 650:5
74RFT-751 Current Rating (Amperes), 750:5
74RFT-801 Current Rating (Amperes), 800:5
74RFT-102 Current Rating (Amperes), 1000:5
74RFT-122 Current Rating (Amperes), 1200:5

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