1. IntroDuCtIon
1.1 ConSIDerAtIonS ABout SAFety
preliminary guidelines
Read this manual carefully before installing and operating the circuit breaker.
This manual was specifically conceived to provide the instructions of installation, operation
and maintenance of ABW air circuit breakers. However, it may not cover all the possible
contingencies, variations or details which can arise during the installation, operation and
maintenance of the circuit breaker. If you have any queries, please contact WEG.
The information contained herein is generic and does not apply to special situations, as
well as not exempting the user from being responsible for executing the correct application,
installation, operation and maintenance of the circuit breaker.
WEG reserves the right to make any alterations to the specifications contained herein or
execute improvements at any moment, without prior notice.
If there is any conflict between the information which is contained in this publication and
the contents of designs, supplementary material, or both, the latter shall prevail.
Qualified professionals
Only qualified professionals can execute the installation, operation and maintenance of this
equipment. These professionals must also be trained and authorized to:
Energize, de-energize, ground and identify electrical equipment and circuits, as per the
standards and practices in force;
Use individual and collective equipment, as per the safety standards and procedures
in force;
Provide first aid.
Alert Messages
Throughout this manual there are several alert messages to call the user's attention to
potential risks or provide additional information which clarifies o simplifies a determined
procedure.
These messages are identified as follows:
DAnger!
It indicates procedures which certainly involve high risks for the user. Failure
to observe this warning can lead to serious injury or death.
AttentIon!
It indicates procedures which involve some risk for the user. Failure to observe
this warning can lead to serious injury or death.
CAutIon!
It indicates procedures which involve some risk of damage to the equipment.
English
open Circuit Breaker
ABW | 7