Mounting Instructions
²
The physical dimensions of the relay and the required cut-out dimensions are shown in 2.1 Drilling
Patterns and Device Dimensions.
²
Insert the rear-side of relay into the RMU/Low Voltage (LV) compartment cut-out.
²
Fasten the relay with 4 M4x20 Pan Phillips SS screws and nuts provided in the 7SR46 packing box. Use a
torque of 0.5 Nm to 0.6 Nm.
²
Carry out all other installation steps and wiring connections from the LV compartment.
²
In the rear side of the relay, execute the wiring process as mentioned in the terminal diagram. Refer to
7SR46 Terminal/Wiring Diagram, Page 28 for more information.
Refer to 2.5 Connectors and Terminal Blocks Specification for the recommended terminal lugs to be
used.
²
The grounding cable must be wired as indicated in 7SR46 Terminal/Wiring Diagram, Page 28 using a
non-stranded cable of 4 mm
2
/6 mm
2
This cable must be terminated in the shortest possible path to the protective grounding terminal or
busbar in the LV compartment.
²
To ensure safety and accidental touch of terminals, maintain a minimum clearance from the relay.
For more details about the minimum clearance, refer to 2.1 Drilling Patterns and Device Dimensions.
If the working area is restricted in a cubicle, then suitable protective terminals must be provided in the
cubicle.
NOTE
The ground connection of relay casing must be solidly connected to the panel ground.
2.2
Installing the Device
2.2 Mounting Instructions
24 Reyrolle, Operating, Manual
C53000-B7040-C103-1, Edition 10.2022
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