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Instruction Book IB182923EN September 2018 www.eaton.com
AMH-4.76-VR
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VR-Series
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Replacement Circuit Breaker
SECTION 2: SAFE PRACTICES
VR-Series
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breakers are equipped with high speed, high energy
operating mechanisms. They are designed with several built-in
interlocks and safety features to provide safe and proper operating
sequences.
m WARNING
TO PROTECT THE PERSONNEL ASSOCIATED WITH INSTALLATION,
OPERATION, AND MAINTENANCE OF THESE BREAKERS, THE FOLLOWING
PRACTICES MUST BE FOLLOWED:
•
Only qualified persons, as defined in the National Electrical
Safety Code, who are familiar with the installation and
maintenance of medium voltage circuits and equipment,
should be permitted to work on these breakers.
•
Read these instructions carefully before attempting any
installation, operation or maintenance of these breakers.
•
Always remove the breaker from the enclosure before
performing any maintenance. Failure to do so could result
in electrical shock leading to death, severe personnel injury
and/or property damage.
•
Do not work on a breaker with the secondary test coupler
engaged. Failure to disconnect the test coupler could result
in an electrical shock leading to death, personnel injury and/
or property damage.
•
Do not work on a closed breaker or a breaker with closing
springs charged. The closing spring should be discharged
and the main contacts open before working on the breaker.
Failure to do so could result in cutting or crushing injuries.
•
Do not use a circuit breaker by itself as the sole means of
isolating a high voltage circuit. Remove the breaker to the
Disconnect position and follow all lockout and tagging rules
of the National Electrical Code and any and all applicable
codes, regulations and work rules.
•
Do not leave the breaker in an intermediate position in the
cell. Always have the breaker either in the Test or Connected
position. Failure to do so could result in a flash over and
possible death, personnel injury or property damage.
•
Always remove the maintenance tool from the breaker after
charging the closing springs.
•
Breakers are equipped with safety interlocks. Do not defeat
them. This may result in death, bodily injury or equipment
damage.
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