Nema Device Numbers: 31 - 40

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  1. 31
    Separate Excitation Device
  2. 32
    Directional Power Relay
  3. 33
    Position Switch
  4. 34
    Master Sequence Device
  5. 35
    Bush Operating or Slip-Ring Short-Circuiting Device
  6. 36
    Polarity or Polarizing Voltage Devices
  7. 37
    Undercurrent or Underpower Relay
  8. 38
    Bearing Protective Device
  9. 39
    Mechanical Condition Monitor
  10. 40
    Field Relay
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141275
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Nema Device Numbers: 31 - 40
Description
Nema Device Numbers: 31 - 40
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