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-843 in the event of malfunction or failure of the system. If there are
touch voltages, touching the P-843 can lead to minor injury due to electric shock.
►
Connect the P-843 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-843 to the protective earth conductor before restarting.
Information
The P-843 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-843
1. Use the open-end wrench to hold the base of the P-843 in position.
2. Screw the P-843 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-843 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
■
Nut of suitable size and length (see
)
■
Open-end wrench for holding the
of the P-843 (see
across flats size)
■
Suitable tool for tightening the nuts
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-843 is not connected to the electronics.
✓
The P-843 is
6 INSTALLATION
P843M0001EN
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2/23/2021
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M O T I O N | P O S I T I O N I N G
