5
Instruction Booklet
IB48050
Effective September 2012
Instructions for installation,
operation, and maintenance of the
AMPGARD 15 kV, 300A vacuum starter
eaton Corporation
www.eaton.com
An isolation switch viewing window is provided in the upper rear
corner of the low voltage control compartment . After opening the
isolation switch and before opening the medium voltage door, the
switch should be visually examined through the viewing window to
verify that it is in the open position . Three green and white “barber
poles” will be visible when the switch is in the open position and
the shutter assembly is in the isolating position . See
Figure 5
for
location of barber poles . The use of a flashlight will help in verifying
the position of the “barber poles” .
Grounding
Fingers (3)
Barber Poles Indicating
Shutter Closed
Figure 5. Shutter Closed
m
Danger
Do not enter the meDium voltage starter compartment
without visually verifying that the isolation switch is open
anD the isolating shutter is in place. entering a compartment
without the isolating shutter in place may result in severe
injury or Death.
Figure 6. Fixed Portion—Isolation Switch
Figure 7. Removable Portion—Isolation Switch
Power fuses
AMPGARD controllers are supplied with Eaton Type BHCLS current
limiting power fuses . Fuses are of the bolt-in type . All fuses include
an indicator that pops up when the fuse has blown .
Figure 8. Blown Fuse Indicator