Siemens 8DA10 Series Installation And Operating Instructions Manual

Also see for 8DA10: Operating instructions

Operation152/214 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.934.1 Control elements and indicators of the circuit-breaker34.2 Control elements and indicators of the three-position disconnectorControl board onthe switchgear frontThe manual switching operations DISCONNECTING or READY-TO-EARTH must be pre-selectedwith the interrogation lever. The interrogation lever can only be operated if the associatedswitching operation is permissible.Position indicatorat the rearThe position of the three-position disconnector is indicated both at the front and at the rear ofthe switchgear. The position indicator at the rear is located on the side of the outermostbusbar housing, over the circuit-breaker housing.Fig. 184: Position indicator at the rear① Opening for charging the closing spring manually② ON pushbutton③ OFF pushbutton④ "Feeder earthed“ locking device⑤ Operations counter⑥ Position indicator for circuit-breaker⑦ "Closing spring charged / not charged“ indicatorFig. 183: Control board on the switchgear front① Interrogation lever② Position indicator for three-position disconnector(EARTHING/READY-TO-EARTH function)③ Position indicator for circuit-breaker④ Position indicator for three-position disconnector(DISCONNECTING function)⑤ Control gate⑥ Actuating opening for disconnector(DISCONNECTING function)⑦ Actuating opening for earthing switch(EARTHING/READY-TO-EARTH function)Switch positionsThree-position disconnectorOPENThree-position disconnectorCLOSEDThree-position disconnectorREADY-TO-EARTH