GE Industrial Solutions Arc Vault Protection System User Manual
Page 20

Arc Vault™ Protection System
DEH-41483 Rev. 3
Description
12
© 2011 General Electric All Rights Reserved
Figure 3-8 Frame 2 Arc Vault (rear view)
Primary disconnects
The Arc Vault compartment has four positions as described in the following chart.
Device Position in
the cassette
Primary
Disconnects
Secondary
Disconnects
Arc Vault Functionality
Arc Vault door
position
CONNECTED Engaged
Engaged
Arc Vault can be operated electrically.
Ready to transfer arc
Closed
TEST Disengaged
Engaged
Arc Vault device ready to test.
Control circuits operations can be tested and
verified. Plasma gun can be discharged
Closed
DISCONNECTED Disengaged
Disengaged
Locked out during transition, Safe for
maintenance when fully disconnected.
Closed
WITHDRAWN Disengaged
Disengaged
Arc Vault can be removed from the
compartment. Safe for maintenance.
Open
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