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2021-06-09 / V1.0
Hazards and safety precautions
Contactors CPP series – Installation and Maintenance Manual
ATTENTION
During switching off, strong electromagnetic fields are generated in the vicinity of the contactors. These may
influence other components close to the contactors.
X
Make sure that the contactors are installed in a location where no other components are affected.
ATTENTION
In the case of damage, wear and/or soiling of the contactors - in the form of a partial break, sharp edges and
discoloured surfaces - the functional reliability of the contactors is no longer ensured.
X
Visually inspect the contactors regularly to detect wear and soiling.
X
Replace damaged parts immediately.
X
Immediately remove any soiling without leaving any residues.
X
Immediately replace any parts with persistent soiling.
ATTENTION
Detent-edged rings and detent-edged washers have a limited life time. After screws secured with detent-edged
rings or detent-edged washers have been undone three times, the rings or washers must be replaced by new
ones.
X
Record the frequency of undoing of the screws in the work log.
X
Replace detent-edged rings or detent-edged washers with new ones after the screws have been undone
three times.
