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2019-08-07 / V1.0
Contactors C193/C294 – Installation and Maintenance Instructions
Dangers and security measures
3.3 Measures for avoiding damages and malfunctions
NOTICE
Aggressive fluids may damage the contactors.
X
Make sure that the contactors are not exposed to aggressive fluids.
NOTICE
Improper handling of the contactors, e.g. when hitting the floor with some impact, can result in breakage, cracks
and deformation.
X
Make sure that the contactors are always used properly.
X
Do not throw the contactors to the floor.
X
Regularly sight-check the contactors for potential damages.
X
Immediately replace damaged components.
NOTICE
Depending on the product type, contactors can contain strong (permanent) magnets. These magnets can attract
ferromagnetic particles and may damage the contactors.
X
Make sure that the contactors are installed at a location, where no ferromagnetic particles can be attracted.
NOTICE
Depending on the product type, contactors can contain strong (permanent) magnets. These magnets can de-
stroy data on credit cards or similar cards.
X
Keep credit cards or similar cards away from the contactors..
NOTICE
During the switching off, strong electromagnetic fields are generated in the surroundings of the contactors.
These may influence other components close to the contactors.
X
Make sure that the contactors are installed at a location, where no other components can be affected.
NOTICE
In the case of damage, wear and tear and/or soiling of the contactor components - in the form of a partial break,
sharp edges and discoloured surfaces - the functional safety of the contactors is no longer guaranteed.
X
Carry out regular visual checks to detect wear and tear and dirt.
X
Immediately replace damaged parts.
X
Immediately remove dirt without leaving any residues.
X
Immediately replace parts with stubborn dirt.
NOTICE
Detent-edged rings and detent-edged washers have a limited life time. After 3 times opening of screws secured
with detent-edged rings or detent-edged washers, the rings or washers must be replaced by new ones.
X
Record the frequency of screw opening in the work log.
X
After 3 times opening of screws, replace detent-edged rings or detent-edged washers by new ones..
