WEGeuro – Indústria Eléctrica S.A.
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- All the screws should be well tightened. A screw which is not tight enough
changes the resistance of the enclosure. In case of replacement of a
screw, it is imperative to keep its length and quality of material.
- Do not change interchangeable parts during maintenance.
The motor and terminal boxes enclosures must be fitted with screws of
resistance class not less than 12.9.
9. MARKING
9.1
All motors have two marking plates:
-
Nameplate
This nameplate contains information in compliance with the IEC 60034-1, as
well as other useful technical information.
Note – The two first digits of the serial number indicate the manufacturing year of
the motor.
-
Certification plate
The certification plate must be in accordance with the explosive atmosphere
where the equipment will be used or in accordance with the certification
type, ATEX or IECEx and it may contain the following information:
•
For explosive atmospheres with gas :
ATEX marking
IECEx marking
II 2 G
Ex d IIB (
or
C) T4
or
Ex de IIC (
or
B) T4
Ex d IIB (
or
C) T4
or
Ex de IIC (
or
B) T4
European symbol for “Ex” products
II
Group of material designed for places with potentially explosive
atmospheres, other than mines susceptible to firedamp
2
Area where an explosive atmosphere, is likely to occur in case
of abnormal working conditions of the installation
G
Explosive atmospheres with gas
Ex
Symbol which indicates that the material complies with one or
several of the protection modes in accordance with European
standards
d
Enclosure with flameproof protection
e
Component with increased safety protection
B
Subdivision of group II
C
Subdivision of group II
T4
Temperature class
