GE Industrial Solutions Arc Vault Protection System - Manual (Page 37)

DEH-41483 Rev. 3 Arc Vault™ Protection System
Operation
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Figure 7-4 Arc Vault key interlock to provide protection
against unauthorized operation
2. If desired, the Arc Vault may be moved to either the
TEST or DISCONNECT position while the key is removed
from the lock. In these positions, the device cannot be
operated for checking or maintenance.
Padlocking the Cassette Racking Door
See Figure 7-5. The cassette racking door can be padlocked
to prevent access to the racking door. The cassette can be
padlocked with the device in any position or without the
device installed. Up to three padlocks can be placed on a
cassette. A padlock with a hasp thickness of at least 0.120”
should be used to padlock the racking shaft door. To
padlock cassette racking door, pull out the racking door
locking tab and insert padlock. .
Figure 7-5 Cassette Racking door padlock device
Padlocking the Arc Vault Cassette
1. See Figure 7-6. The Arc Vault compartment door must
be opened to put the padlock on; however, there is no
interference with the door after the padlock has been
placed in position.
2. Padlocks will prevent the acceptance of a device in the
cassette.
3. The padlock device on the cassette will accept up to
three padlocks on both the left and right sides of the
cassette.
Figure 7-6 Compartment padlock device
Padlocking the Shutter
The shutter on each cubicle can be padlocked to prevent
access to the live primary conductors. The shutter can be
padlocked without the device installed. One padlock can be
placed on a cassette. To padlock shutter, pull out the
shutter locking tab and insert padlock, see Figure 7-7.
Pulling out the shutter locking tab actuates a rod (1) that
goes through stationary and moving shutter parts that
prevents it from opening.
Figure 7-7 Shutter padlock
1. Shutter locking rod
2.Shutter padlock tab
2
1