GE Industrial Solutions Arc Vault Protection System User Manual

Page 37

DEH-41483 Rev. 3

Arc Vault™ Protection System

Operation

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