Eaton 2C12891G21 Installation Instructions Manual
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4Instruction Leaflet IL2C13761H11Effective March 2020Installation instructions for KirkKey Interlock Kit (2C12891G21) inMagnum low-voltage circuit breakersEATON www.eaton.comStep 5: Mount interlock assembly to rear of key lock with two#3-48 x 3/8 inch long flathead screws (K).IMPORTANTDO NOT INSERT KEY.Key lockassembly #3-48 x 3/8Screws (K)InterlockassemblyFigure 6. Step 5Step 6: Using pliers, wind free leg of torsion spring (D) clockwiseapproximately 360 degrees, and hook under lip of interlock adapteras shown.Torsion spring leg showninstalled under lip ofinterlock adapterWind spring inthis directionFigure 7. Step 6Step 7: Check that the breaker is “OPEN” and discharged. Usingthe 10 mm socket and 1/4 inch driver, remove the front cover ofthe breaker by loosening four mounting bolts (six bolts if four-polebreaker), and holding the charging handle down approximately45 degrees to simplify removal.Step 8: Remove plug from key lock hole. If hole does not exist, usea 1-7/16 inch (36 mm) hole saw to drill a hole using existing drill pointcountersink on inside of cover as a pilot guide.Key lock holelocation (drillpoint locatoris moldedon inside ofcover)Mounting boltsFigure 8. Steps 7 and 8Step 9: Remove existing key lock mounting plate (if installed)from the universal mounting bracket and discard it. If there is anoperations counter mounted to it, remove it before discarding andsave for Step 13.MatchingscrewsOperationscounterKey lockmountingplateUniversal mountingbracketFigure 9. Step 9 |
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