Nema Flashcards by Danny Valdez

Q

1 101

A

Master element

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Q

02

A

Time delay

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Q

08

A

Control power disconnecting device

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Q

11

A

Multifunction device

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Q

21

A

Distance relay

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Q

23

A

Temperature control device

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Q

27

A

Under voltage

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Q

37

A

Undercurrent or under power relay

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Q

43

A

Manual transfer or selector device

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Q

50

A

Instantaneous over current relay

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Q

50BF

A

Instantaneous breaker failure

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Q

50G

A

Ground instantaneous over current

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Q

50N

A

Neutral instantaneous overcurrent

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Q

50P

A

Phases instantaneous overcurrent

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Q

50/87

A

Instantaneous differential

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Q

51

A

Ac time over current relay

Q

52

A

Ac circuit breaker

Q

59

A

Over voltage relay

Q

62

A

Time delay stopping or opening relay

Q

63

A

Pressure switch detector

Q

64

A

Ground protective relay

Q

69

A

Permissive control device

Q

70

A

Rheostat

Q

74

A

Alarm relay

Q

79

A

Ac reclosing relay / auto reclose

Q

86

A

Locking out relay

Q

87

A

Differential protective relay

Q

88

A

Auxiliary motor

Q

90

A

Regulating device

Q

91

A

Voltage directional relay

Q

94

A

Tripping or trip free relay

Q

30

A

Annunciatior

Q

71

A

Liquid switch

Q

81

A

Under frequency