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Square D 312R Torroidal Current Transformer

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Square D 312R Torroidal Current Transformer
Manufacturer: Schneider
  • Accuracy Class only applies to the nominal ratio
  • Rating Factor 30 °C Ambient Temp. = 1.5, Rating Factor 55 °C Ambient Temp. = 1.33
  • Taps in accordance with ANSI C57.13 and NEMA SG-4
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Features Applications Model
  • High-burden capacity design for installation over the ground shield in a current transformer pocket of a high voltage apparatus bushing.
  • Permanent polarity marks are 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 easier installation.
  • Windings are completely distributed around the core on each tap, resulting in a low reactance on all taps.
  • Mounting holes are provided for bolting the unit around a power transformer or circuit breaker bushing.
  • Frequency: 60 Hz.
  • Insulation: 10 kV BIL full wave (600 volt class)
  • Applicable Standard — ANSI C57.13.
  • UL and CUL recognized per Classification XODW2.
  • Designed for relaying and other current sensing
Mfr. Part No. Description
312R-601 Weight, lb, 27
312R-122 Weight, lb, 28
312R-202 Weight, lb, 34
312R-302 Weight, lb, 33
312R-402 Weight, lb, 30

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