Section 2 Safe Practices - Eaton Cutler-Hammer 36W-VAC25 Instructions For Installation, Operation And Maintenance

Vacuum circuit breakers
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SECTION 2: SAFE PRACTICES
Type W-VAC breakers are equipped with high speed,
high energy operating mechanisms. They are designed
with several built-in interlocks and safety features to pro-
vide safe and proper operating sequences.
!
TO PROTECT THE PERSONNEL ASSOCIATED WITH
INSTALLATION, OPERATION, AND MAINTENANCE
OF THESE BREAKERS, THE FOLLOWING PRAC-
TICES MUST BE FOLLOWED:
• Only qualified persons, as defined in the local electri-
cal code who are familiar with the installation and main-
tenance 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 breakers from the enclosure
before performing any maintenance. Failure to do so
could result in electrical shock leading to death, severe
personal injury or property damage.
WARNING
• Do not work on a breaker with the secondary test cou-
pler engaged. Failure to disconnect the test coupler
could result in an electrical shock leading to death, per-
sonal injury 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 good lock-
out and tagging rules, as well as 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, personal injury or proper-
ty 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.
I.B. 3A74499B
Effective 11/97

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