Siemens 8DB10 Installation And Operating Instructions Manual page 175

Fig. 206: Disconnectable busbar voltage transformer
Switching operation
Q61 or Q62 CLOSED/OPEN
Q81 or Q82 CLOSED/OPEN
Additionally, electromechanical interlocks may be fitted for disconnectors and earthing switches or for earthing switches.
Fig. 207: Busbar earthing switch
Switching operation
Q15 or Q25 CLOSED/OPEN
Additionally, electromechanical interlocks may be fitted for disconnectors and earthing switches or for earthing switches.
864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
Switching operation is only possible if
Q81 or Q82 OPEN
Q61 or Q62 OPEN
Switching operation is only possible if
opening for operating lever is open
Type
mechanical
mechanical
Type
optionally mechanical with locking device or
electromechanical
Operation
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