S&C Instruction Sheet 466-500 11
Installation
Figure 5. Guiding the trunnion into the hinge of the cutout
mounting using gloved hands.
Trunnion
STEP 3.
Installation Using Insulated Gloves:
With
the OPEN/CLOSE lever in the
Open
position,
insert the VacuFuse II Self-Resetting
Interrupter into a 110-kV BIL or a 125/150-kV
BIL-rated mounting with gloved hands, as
shown in Figure 5.
Closing the VacuFuse II Interrupter into the
Cutout Mounting
Complete the following steps to close a VacuFuse II Self-
Resetting Interrupter into its mounting:
NOTICE
Read the “Understanding the Closing Sequence”
section on page 12 before closing the VacuFuse II
Self-Resetting Interrupter into its cutout mounting .
STEP 1.
Confirm the VacuFuse II Self-Resetting
Interrupter is in the Open position by viewing its
POSITION indicator. See the “Understanding
the LED Indicators and POSITION indicator”
section on page 15 for more information. Place
the OPEN/CLOSE lever in the correct position
for the closing sequence desired. See the
“Understanding the Closing Sequence” section
on page 12.
STEP 2.
Stand firmly in front of and in line with the
cutout mounting. Do not operate standing
directly underneath the VacuFuse II Self-
Resetting Interrupter. If using an extendostick,
stand from 6 to 10 feet (183 to 305 cm) away
from the pole.
STEP 3.
Insert the straight prong of an Talon™ Handling
Tool or a distribution prong into the pull-ring.
STEP 4.
Swing the VacuFuse II interrupter to within
approximately 45 degrees of the fully
Closed
position, as shown in Figure 6.
STEP 5.
While firmly gripping the stick, drive the
VacuFuse II Self-Resetting Interrupter closed
with forward force. Maintain the forward force
until the interrupter properly closes and latches
into the cutout mounting.
STEP 6.
Disengage the prong from the pull-ring, taking
care to avoid pulling the VacuFuse II interrupter
open.
Figure 6. A VacuFuse II interrupter within approximately
45 degrees of the fully Closed position.
45°
