Nema Numbers

Card Set Information

Author:
nibor222
ID:
164719
Filename:
Nema Numbers
Updated:
2012-12-02 18:38:07
Tags:
Nema Numbers
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Description:
Nema Numbers
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  1. 1
    Master Element
  2. 2
    Time Delay Starting or Closing Relay
  3. 3
    Checking or Interlocking Relay
  4. 4
    Master Contactor
  5. 5
    Stopping Device
  6. 6
    Starting Circuit Breaker
  7. 7
    Anode Circuit Breaker
  8. 8
    Control Power Disconnecting Device
  9. 9
    Reversing Device
  10. 10
    Unit Sequence Switch
  11. 21
    Distance Relay
  12. 43
    Transfer Switch
  13. 50
    Instantaneous Overcurrent Relay
  14. 59
    Overvoltage Relay
  15. 74
    Alarm Relay
  16. 79
    AC Reclosing Relay
  17. 86
    Lockout Relay
  18. 87
    Differential Protection Relay
  19. 90
    Regulating Device
  20. 12
    Overspeed Device
  21. 13
    Synchronous-Speed Device
  22. 14
    Under-Speed Device
  23. 15
    Speed or Frequency Matching Device
  24. 17
    Shunting or Discharge Switch
  25. 18
    Accelerating or Decelerating Device
  26. 19
    Starting-to-Running Transition Contactor
  27. 50
    Instantaneous overcurrent relay
  28. 49
    Machine or transformer thermal relay
  29. 41
    Field circuit breaker
  30. 40
    Field relay
  31. 38
    Bearing protective device
  32. 32
    Directional power relay
  33. 65
    Governor
  34. 63
    Pressure switch
  35. 51
    AC timed overcurrent relay
  36. 20
    Electrically Operated Valve

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