Operating - ABB TruONE ATS Installation And Operating Instruction

30 Tr u O N E ® AT S , I N S TA L L AT I O N A N D O P E R AT I N G I N S T R U C T I O N
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3. Operating

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3.1 Position indication
Contact movement and position indica-
tion is indicated in the figure below:
• Left side: Open transition I - II (or II - I)
• Right side: Delayed transition I - O - II
(or II - O - I)
OXA_B: I - II
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Fig. 3.1 Contact movement / position indication:
OXA_, Open transition; OXB_, Delayed transition,
_B, bottom entry versions; _T, top entry versions
OXA_T: II - I OXB_B: I - O - II OXB_T: II - O - I