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Siemens Siprotec 7UM611 User Manual

Siemens Siprotec 7UM611
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3 Mounting and Commissioning
254
7UM61 Manual
C53000-G1176-C127-3
Figure 3-12 Installing a 7UM612 in a rack or cubicle (housing size 1/2)
3.1.3.3 Panel Surface Mounting
For installation proceed as follows:
• Secure the device to the panel with four screws. For dimensions see for the Tech-
nical Data in Section 4.26.
• Connect the ground of the device to the protective ground of the panel. The cross-
sectional area of the ground wire must be equal to the cross-sectional area of any
other control conductor connected to the device. The cross-section of the ground
wire must be at least 2.5 mm
2
.
• Connect solid, low-impedance operational grounding (cross-sectional area = 2.5
mm
2
) to the grounding surface on the side. Use at least one M4 screw for the device
ground.
• Connect the threaded terminals on the top and bottom of the device according to
the elementary diagram for the panel. The SIPROTEC
®
4 System Description has
pertinent information regarding wire size, lugs, bending radii, etc.
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Siemens Siprotec 7UM611 Specifications

General IconGeneral
BrandSiemens
ModelSiprotec 7UM611
CategoryRelays
LanguageEnglish

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