CAUTION
Risk of electric shock if the protective earth conductor is not connected!
If the protective earth conductor is missing or not properly connected, risk of dangerous
touch voltages on the P-840 in the event of malfunction or failure of the system. If there are
touch voltages, touching the P-840 can lead to minor injury due to electric shock.
►
Connect the P-840 to a protective earth conductor before startup.
►
Do not remove the protective earth conductor during operation.
►
If the protective earth conductor has to be removed temporarily (e.g., for modifications),
reconnect the P-840 to the protective earth conductor before restarting.
Information
The P-840 can heat up during operation. The heat produced during operation can affect your
application.
Information
►
Pay attention to the applicable standards for connecting the protective earth conductor.
Mounting the P-840
1. Use the open-end wrench to hold the base of the P-840 in position.
2. Screw the P-840 onto a suitable underlying surface. For this purpose, screw into the
mounting hole in the bottom of the base (p. 31)
.
3. Remove the open-end wrench from the base.
4. Check that the P-840 is firmly seated and ensure that the contact resistance at all joints
relevant to the protective conductor assembly is <0.1
Ω
at 25 A.
5. If anything vibrates in your application, use suitable means (e.g., liquid adhesive) to
prevent the protective earth screw connection(s) from loosening.
6.3
Fixing the Load
Tools and Accessories
■
Screw of suitable size and length (see
)
■
Open-end wrench for holding the
of the P-840 (see
across flats size)
■
Suitable screwdriver
Requirements
✓
You have read and understood the
general safety instructions (p. 8)
✓
You have read and understood the section
"Avoiding Mounting Errors" (p. 14)
.
✓
The P-840 is not connected to the electronics.
✓
The P-840 is
6 INSTALLATION
P840M0001EN
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1/29/2021
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M O T I O N | P O S I T I O N I N G