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Figure 3-31
Installing a device in a rack or cubicle (housing size
1
/
1
)
Panel Flush Mounting
For installation proceed as follows:
•
Secure the device to the panel with 4 screws. For dimensions see the Technical Data, Section4.29 Dimen-
sions.
•
Connect the robust low-ohmic protective ground or station ground to the grounding terminal on the rear
plate of the device. The cross-sectional area of the cable used must correspond to the maximum
connected crosssection, but must be at least 2.5
2
.
•
Alternatively, fasten the said ground to the grounding surface on the side with at least one M4 screw.
•
Connections according to the circuit diagram via screw terminals, connections for optical fiber cable and
electrical communication modules via the housings. The SIPROTEC 4 System Description provides infor-
mation regarding maximum wire size, torque, bending radius and cable relief and must be observed.
Mounting with Detached Operator Panel
CAUTION
Be careful when removing or plugging the connector between device and detached operator panel
Non–observance of the following measure can result in property damage. Without the cable the
device is not ready for operation!
²
Never pull or plug the connector between the device and the detached operator panel during opera-
tion while the device is alive!
3.1.3.3
3.1.3.4
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC 4, 7SJ62/64, Manual 409
C53000-G1140-C207-8, Edition 08.2016
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