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Tandem ELF current-limiting dropout fuse installation instructions
INSTALLATION INSTRUCTIONS
MN132029EN November 2016
Installing a fuse link in fuse link holder
1.
Remove the fuse cap
from the middle connector of
the fuse link holder assembly. See Figure 2.
2.
Insert the fuse link,
cable end first, into the top of
the fuse link holder and pull out at the lower end
or in accordance with the fuse link manufacturer’s
instructions.
3.
Replace the fuse cap
on the fuse link holder middle
connector and tighten with a wrench.
4.
Holding the lower end of the fuse link holder,
depress the latch, feed the cable over the latch and
around the fuse link clamping nut in a clockwise
direction to prevent strand breakage when the
clamping nut is tightened .
See Figure 3.
5.
While maintaining tension of the fuse link cable,
tighten the fuse link clamping nut with a wrench .
6.
Cut excess fuse link cable .
otee:
N
Never insert excess leader into fuse link holder tube.
Latch
Fuse link
cable
Fuse link
Clamping
Nut
Figure 3 . Installation of a fuse link into the fuse link
holder
Installing a tandem ELF fuse in cutout
Once the fuse link has been installed in the fuse link holder:
1. Insert the hook stick into the Tandem ELF fuse’s
lifting eye.
2. Place the Tandem ELF fuse into the hinge of the cutout.
See Figure 4.
!
WARNING
When using the Tandem ELF fuse in the cutout, hot
gasses and high velocity particles are expelled from
fuseholder during interruption . This expulsion could
cause serious injury .
!
CAUTION
The Tandem ELF fuse should not be installed if it has
any visual signs of operation and/or damage .
3. Remove the hook stick.
4. Take a position well clear of the vented end and
exhaust path of the cutout in the closed position and
then place the hook stick in the pull ring on the upper
connector of the Tandem ELF fuse.
5. Rotate the Tandem ELF fuse to an intermediate position
as in Figure 5.
6. While looking away from the cutout, quickly and firmly
(with minimal side thrust) drive the Tandem ELF fuse
into the upper contact of the interchangeable cutout.
7. Remove the hook stick from the pull ring carefully to
avoid opening the Tandem ELF fuse.
Hinge
Lifting eye
Figure 4 . Inserting a Tandem ELF fuse into the
interchangeable cutout
Pull ring
Upper
Pull ring
connector
Upper
Contact
Figure 5 . Closing the Tandem ELF fuse into the
interchangeable cutout
