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Nema Device Numbers: 31 - 40

  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
Author
canadashea
ID
141275
Card Set
Nema Device Numbers: 31 - 40
Description
Nema Device Numbers: 31 - 40
Updated

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