WEGeuro - Indústria Eléctrica, S.A. Português - English
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inside the terminal boxes are separated from the circuits that are not intrinsically safe.
These circuits are visually different (with terminals in blue colour) and are properly
identified and should be connected to zener barriers defined accordingly to their input
parameters.
The intrinsically safe components are connected inside the terminal boxes, to
terminals mounted on DIN rail with the earthing wire properly connected to the existing
earthing terminal for this purpose
1.14 When the motors are equipped with intrinsically safety components “Ex i” the
information related to the input parameters of these components referred in the Annex
I, should be consulted by the installer/end user to define the zener barrier of intrinsic
safety.
See Annex I for details.
2. GENERAL INSPECTION
2.1 Check if nameplate data complies with the purchase order. Special attention shall be
given to the type of protection and/or to the Equipment Protection Level (EPL). In case
of non-compliance please contact WEG nearest Sales Office.
2.2 These motors have been designed to work in atmospheres that present a risk of
explosion. It is therefore indispensable to carry out a very careful inspection of the
material received, as well as the external parts of the motor (frame, endshields,
terminal box and terminal box lid).
2.3 Any fault found has to be marked, reported to WEG Sales Office and analysed in order
to ensure that the motors may function without any risk in this atmosphere. If
necessary, the damaged parts or the parts that could present a risk in the future shall
be replaced.
3. SAFETY INSTRUCTIONS
3.1 Motors for hazardous areas are specially designed to meet the government
regulations regarding the environment in which they are installed. Misapplication,
incorrect connection or other changes although small, may jeopardize product
reliability.
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