Future Circuit Breaker Compartments - GE AKD-20 AR Installation And Maintenance Manual

Entellisys ar low-voltage switchgear
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DEH-41473

Future Circuit Breaker Compartments

DANGER: Electrical arc flash hazard. Personal
protection equipment required. Turn off power to the
equipment before working inside.
WARNING: The breaker compartment door must be
closed and latched to maintain the integrity of the arc
resistant enclosure. The breaker compartment door should
not be opened when the circuit breaker is closed and in the
connected position when the equipment is energized.
WARNING: When a circuit breaker is removed from its
compartment. The future cassette barrier and the future
breaker door cover must be installed and the circuit
breaker compartment door closed and latched to maintain
the integrity of the arc resistant enclosure.
Breaker compartments designed for future use are complete
and ready to use from the factory. These breaker
compartments have a steel panel, future door cover, to cover
the door cutout (Figure 8.10) and a steel panel, future cassette
barrier, to cover the cassette opening (Figure 8.11).
To remove the future cassette barrier and future door cover,
proceed as follows:
1.
Open the breaker door by rotating the handle clock-
wise.
2.
Remove the four ¼ inch hex nuts attached the two
retaining bars for the door cut-out cover (Figure 8.11).
Retain the hardware, retaining bars and steel cover
for future use.
3.
Remove the four ¼-20 self-thread forming screws
holding the cassette steel cover plate in place (Figure
8.11). Retain the hardware and steel cover for future
use.
Refer to DEH-41697 for ordering or further information for a
future cassette barrier and future door cover.
©2016 General Electric. All rights reserved.
Courtesy of NationalSwitchgear.com
AKD-20 AR / Entellisys AR Low-voltage Switchgear
Section 8. Operating the Switchgear
Figure 8.10 Future circuit breaker compartment
1. Future Door Cover
Figure 8.11 Future cassette barrier and future door cover
Cassette Barrier Cover
(1)
Cassette Barrier Cover Mounting Hardware
(2)
Future Door Cover Retainer Bars & Mounting
(3)
Hardware
52

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