Device functions
ECOFAST Motor Starters
GWA 4NEB 950 0562-12
5-5
Deutsc
h
Eng
lish
5.4
Electronic/mechanical switching technology
Electronic switching technology
The motor starter controls the motor in a 2-phase system with power semi-
conductors.
(Only applicable to soft starters)
Mechanical switching technology
The motor starter controls the motor in a 3-phase system with contactors.
Possible causes of faults
The "Switching technology" device function returns the "General fault" signal
in response to the following causes:
• Switching element defective (e.g. contactor contact welded, power semicon-
ductor failed)
• Switching element overload (e.g. semiconductor too hot, only applicable to
soft starters)
Содержание ECOFAST
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Страница 17: ...Motor Starters Overview ECOFAST Motor Starters 1 6 GWA 4NEB 950 0562 12 ...
Страница 25: ...Installation of Motor Starters ECOFAST Motor Starters 2 8 GWA 4NEB 950 0562 12 ...
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Страница 63: ...ECOFAST Motor Starters B 2 GWA 4NEB 950 0562 12 B 1 Motor Starter Fig 2 1 Motor starter dimension drawing ...
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Страница 77: ...Correction page ECOFAST Motor Starters GWA 4NEB 950 0562 12 ...