3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
567
ESD guidelines
B.1 Electrostatic sensitive devices (ESD)
ESD components are destroyed by voltage and energy far below the limits of human
perception. Voltages of this kind occur as soon as a device or an assembly is touched by
a person who is not electrostatically discharged. ESD components which have been
subject to such voltage are usually not recognized immediately as being defective,
because the malfunction does not occur until after a longer period of operation.
ESD Guidelines
Electrostatic sensitive devices
Electronic modules contain components that can be damaged by electrostatic
discharge as a result of improper handling.
• You must discharge your body electrostatically immediately before touching an
electronic module. To do this, touch a conductive, grounded object, e.g., a bare
metal part of a switch cabinet or the water pipe.
• Always hold the component by the plastic enclosure.
• Electronic modules should not be brought into contact with electrically insulating
materials such as plastic film, plastic parts, insulating table supports or clothing
made of synthetic fibers.
• Always place electrostatic sensitive devices on conductive bases.
• Always store and transport electronic modules or components in ESD-safe
conductive packaging, e.g. metalized plastic or metal containers. Leave the
component in its packaging until installation.
If you have to store or transport the component in non-conductive packaging, you must
first pack the component in ESD-safe, conductive material, e.g., conductive foam
rubber, ESD bag.
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