ABB ENTELLIGUARD T Посібник - Сторінка 17
Переглянути онлайн або завантажити pdf Посібник для Промислове обладнання ABB ENTELLIGUARD T. ABB ENTELLIGUARD T 17 сторінок. Procedure for quality checks of dr iec
Друкувати сторінку1. TRIP FREE WORKING (RACKING HANDLE INSERTED)
Once the breaker is completely racked-in and the racking handle is inside, charge the breaker and
try to put the breaker to ON condition. It should not be possible to ON the breaker. Beaker will
only be put to ON condition when handle is taken out
2. CONTACT WELD WORKING
Once the breaker is completely racked-in (connected position), take out the handle and charge the
breaker. Put the breaker to ON condition and try to insert the racking handle. It should not be
possible to insert the handle. Handle can only be inserted when breaker is in OFF condition.
CLUSTER ENGAGEMENT CHECK
1.Rack the breaker till it reaches to end of racking screw rotations.
2.Once the breaker is completely racked-in cluster engagement must be checked visually and three
ON-OFF operation must be taken.
Rev. A
CHECKS AFTER RACK-IN OF BREAKER
PROCEDURE FOR QUALITY CHECKS OF
DR IEC ENTELLIGUARD G FAMILY
Doc.N°
1SDH00XXXXX
Page N°
17/17