Introduction; Considerations About Safety; Preliminary Guidelines; Qualified Professionals - WEG ABW Serie Manual De Instrucciones

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1 INTRODUCTION

1.1 CONSIDERATIONS ABOUT SAFETY

1.1.1 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.

1.1.2 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.

1.1.3 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.
Besides attentively observing the procedures described in this manual, the users must obey the following
instructions:
„ Always work with the circuit and equipment de-energized, even if they are test, maintenance or repair
procedures;
„ Use interlocking and safety devices, and check that they function naturally, without needing to be forced or
suppressed
8 | ABW - Air Circuit Breaker