7
Instruction Book
IB182923EN September 2018 www.eaton.com
AMH-4.76-VR
+
VR-Series
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Replacement Circuit Breaker
SECTION 2: SAFE PRACTICES
VR- 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 qualifitd ptrsons, as dtfintd in tht National Eltctrical
Saftty Codt, who art familiar with tht installation and
mainttnanct of mtdium voltagt circuits and tquipmtnt,
should bt ptrmitttd to work on thtst brtaktrs.
•
Rtad thtst instructions cartfully btfort atttmpting any
installation, optration or mainttnanct of thtst brtaktrs.
•
Always rtmovt tht brtaktr from tht tnclosurt btfort
ptrforming any mainttnanct. Failurt to do so could rtsult
in tltctrical shock ltading to dtath, stvtrt ptrsonntl injury
and/or proptrty damagt.
•
Do not work on a brtaktr with tht stcondary ttst coupltr
tngagtd. Failurt to disconntct tht ttst coupltr could rtsult
in an tltctrical shock ltading to dtath, ptrsonntl injury and/
or proptrty damagt.
•
Do not work on a clostd brtaktr or a brtaktr with closing
springs chargtd. Tht closing spring should bt dischargtd
and tht main contacts optn btfort working on tht brtaktr.
Failurt to do so could rtsult in cutting or crushing injurits.
•
Do not ust a circuit brtaktr by itstlf as tht solt mtans of
isolating a high voltagt circuit. Rtmovt tht brtaktr to tht
Disconntct position and follow all lockout and tagging rults
of tht National Eltctrical Codt and any and all applicablt
codts, rtgulations and work rults.
•
Do not ltavt tht brtaktr in an inttrmtdiatt position in tht
ctll. Always havt tht brtaktr tithtr in tht Ttst or Conntcttd
position. Failurt to do so could rtsult in a flash ovtr and
possiblt dtath, ptrsonntl injury or proptrty damagt.
•
Always rtmovt tht mainttnanct tool from tht brtaktr afttr
charging tht closing springs.
•
Brtaktrs art tquipptd with saftty inttrlocks. Do not dtftat
thtm. This may rtsult in dtath, bodily injury or tquipmtnt
damagt.
