Siemens 8DA10 Series - Three-Position Disconnector with Auxiliary Voltage (Motor Operating Mechanism); Emergency Operation of the Three-Position Disconnector; Incorrect Alignment of the Operating Lever

861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11 187/214
Operation
37.6 Three-position disconnector with auxiliary voltage
(motor operating mechanism)
Three-position disconnectors with motor operating mechanism can also be controlled from
remote according to their design.
37.7 Emergency operation of the three-position disconnector
If the motor voltage of the three-position disconnector with motor operating mechanism fails
and the three-position disconnector is in no defined end position, the three-position
disconnector must be operated manually.
Fig. 195: Example: Position indicator for DISCONNECTING in faulty position
Fig. 196: Example: Position indicator for EARTHING in faulty position
Adapter for emergency
operation
➭ Push emergency operation adapter on operating lever for three-position disconnector.
NOTICE
Incorrect alignment of the operating lever
The noses of the operating lever can damage the position indicator or the operating
mechanism of the three-position switch.
➭ Align the operating lever with pushed-on adapter by the slots of the adapter.