TEL TAVRIDA ELECTRIC VCB15 LD, Руководство пользователя

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a) Interlocking shaft in unlatched position.
ISM is open b) Interlocking shaft in unlatched position.
ISM is closed
e) Initial state: ISM is open and locked.
Turn interlocking shaft clockwise to
unlatched position
d) Interlocking shaft in “open anf locked“
position. ISM is open
c) Initial state. ISM is closed. Turn interlocking
shaft counterclockwise to “open and locked“
position (manual tripping)
Figure 57
HD ISM interlock operating principle