Connection; Main Connections - Siemens SINOVA Manual

2.1.5

Connection

2.1.5.1

Main connections

Hazardous voltage.
Will cause death, serious personak injury or equipment damage
The fastening screws above and below the connection bars on the back of the guide frame
are voltage-carrying.
Before commencing maintenance work, ensure that no voltage is present on the power
distribution equipment and make sure that this condition is maintained while work is being
performed (according to EN 50110-1, DIN VDE 0105-100 and BGV A2). For further
information see chapter Safety instructions (Page 7).
For more information on the dimensions refer to chapter Dimension drawings (Page 199)
Horizontal connection
The horizontal connection is the standard connection for fixed-mounted Circuit Breakers and
guide frame.
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
DANGER
Description
2.1 Mechanical components
29