Eaton VR+ Series Instruction Book

Contents

7Instruction Book IB182923EN September 2018 www.eaton.comAMH-4.76-VR+VR-Series+ Replacement Circuit BreakerSECTION 2: SAFE PRACTICESVR-Series+ breakers are equipped with high speed, high energyoperating mechanisms. They are designed with several built-ininterlocks and safety features to provide safe and proper operatingsequences.m WARNINGTO PROTECT THE PERSONNEL ASSOCIATED WITH INSTALLATION,OPERATION, AND MAINTENANCE OF THESE BREAKERS, THE FOLLOWINGPRACTICES MUST BE FOLLOWED:• Only qualifitd ptrsons, as dtfintd in tht National EltctricalSaftty Codt, who art familiar with tht installation andmainttnanct of mtdium voltagt circuits and tquipmtnt,should bt ptrmitttd to work on thtst brtaktrs.• Rtad thtst instructions cartfully btfort atttmpting anyinstallation, optration or mainttnanct of thtst brtaktrs.• Always rtmovt tht brtaktr from tht tnclosurt btfortptrforming any mainttnanct. Failurt to do so could rtsultin tltctrical shock ltading to dtath, stvtrt ptrsonntl injuryand/or proptrty damagt.• Do not work on a brtaktr with tht stcondary ttst coupltrtngagtd. Failurt to disconntct tht ttst coupltr could rtsultin an tltctrical shock ltading to dtath, ptrsonntl injury and/or proptrty damagt.• Do not work on a clostd brtaktr or a brtaktr with closingsprings chargtd. Tht closing spring should bt dischargtdand 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 ofisolating a high voltagt circuit. Rtmovt tht brtaktr to thtDisconntct position and follow all lockout and tagging rultsof tht National Eltctrical Codt and any and all applicabltcodts, rtgulations and work rults.• Do not ltavt tht brtaktr in an inttrmtdiatt position in thtctll. Always havt tht brtaktr tithtr in tht Ttst or Conntcttdposition. Failurt to do so could rtsult in a flash ovtr andpossiblt dtath, ptrsonntl injury or proptrty damagt.• Always rtmovt tht mainttnanct tool from tht brtaktr afttrcharging tht closing springs.• Brtaktrs art tquipptd with saftty inttrlocks. Do not dtftatthtm. This may rtsult in dtath, bodily injury or tquipmtntdamagt.