Current Transformers

Medium Voltage Current Transformers, IEEE / IEC Indoor & Outdoor

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IEEE Outdoor Utility Style

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  • JCK, JKW, JCD, JCW Series
  • 5-69kV, 50-60 Hz
  • HCEP & HY-BUTE-60 Insulation
  • Designed to meet C57.13
  • Current ratings through 1200 amps
  • Metering and Relay applications

IEEE Indoor

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  • CTW Series
  • BIL up to 200kV
  • Vacuum cast using polyurethane resin
  • Special primary bars on some models
  • Designed to meet C57.13
  • UL Recognized & CSA Approved
  • Some models IC Approved
  • Typically installed in medium voltage switchgear

IEEE Indoor Utility Style

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  • JKM_C Series
  • Vacuum cast using polyurethane resin
  • Designed to meet C57.13
  • UL Recognized & CSA Approved
  • Some models IC Approved
  • 0.15 accuracy class available (JKM-5AC only)
  • Typically installed in medium voltage switchgear

IEC Indoor

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  • GK Series
  • BIL up to 170KV; 50/60 Hz
  • Cast resin insulation
  • Designed to meet IEC 60044-1
  • Current ratings through 4000 amps
  • 1, 2 & 3 core designs; 1 or 5 amp secondary
  • Typically installed in medium voltage switchgear
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