Siemens siprotec 7SJ63 Instruction Manual page 445

Multi-functional protective relay with local control
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7SJ63 Manual
C53000-G1140-C120-1
Attach all Align all D-subminiature plugs to the matching D-subminiature sockets.
Screw in the fiber optic cables where applicable.
Close the protective switches to apply voltage to the power supply. If the green "RUN"
LED does not light, there is a fault in the power supply. The device should be sent to
the factory. See Section 9.6.
Routine Checks and Maintenance
9-13

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