Eaton Tandem ELF Current-Limiting Dropout Fuse Installation Instructions Manual

Also see for COOPER POWER SERIES: Installation and operation instructions Installation instructions Installation instructions Installation and operation instructions Operation instructions

Contents

Eaton Tandem ELF Current-Limiting Dropout Fuse Installation Instructions Manual Manual pdf 7 page image

3Tandem E LF c u r r e n t - l imiting d r o p o u t f u s e installation instru c t ions INSTALLATION INSTRUCTIONS MN132029EN November 2016Installing a fuse link in fuse link holder1. Remove the fuse cap from the middle connector ofthe fuse link holder assembly. See Figure 2.2. Insert the fuse link, cable end first, into the top ofthe fuse link holder and pull out at the lower endor in accordance with the fuse link manufacturer’sinstructions.3. Replace the fuse cap on the fuse link holder middleconnector and tighten with a wrench.4. Holding the lower end of the fuse link holder,depress the latch, feed the cable over the latch andaround the fuse link clamping nut in a clockwisedirection to prevent strand breakage when theclamping nut is tightened See Figure 3.5. While maintaining tension of the fuse link cable,tighten the fuse link clamping nut with a wrench6. Cut excess fuse link cableotee:N Never insert excess leader into fuse link holder tube.LatchFuse linkcableFuse linkClampingNutFigure 3 Installation of a fuse link into the fuse linkholderInstalling a tandem ELF fuse in cutoutOnce the fuse link has been installed in the fuse link holder:1. Insert the hook stick into the Tandem ELF fuse’slifting eye.2. Place the Tandem ELF fuse into the hinge of the cutout.See Figure 4.! WARNINGWhen using the Tandem ELF fuse in the cutout, hotgasses and high velocity particles are expelled fromfuseholder during interruption This expulsion couldcause serious injury! CAUTIONThe Tandem ELF fuse should not be installed if it hasany visual signs of operation and/or damage3. Remove the hook stick.4. Take a position well clear of the vented end andexhaust path of the cutout in the closed position andthen place the hook stick in the pull ring on the upperconnector of the Tandem ELF fuse.5. Rotate the Tandem ELF fuse to an intermediate positionas in Figure 5.6. While looking away from the cutout, quickly and firmly(with minimal side thrust) drive the Tandem ELF fuseinto the upper contact of the interchangeable cutout.7. Remove the hook stick from the pull ring carefully toavoid opening the Tandem ELF fuse.HingeLifting eyeFigure 4 Inserting a Tandem ELF fuse into theinterchangeable cutoutPull ringUpperPull ringconnectorUpperContactFigure 5 Closing the Tandem ELF fuse into theinterchangeable cutout