Insertion And Removal - ABB AMVAC Installation And Operation Manual

Medium voltage vacuum circuit breakers
Hide thumbs Also See for AMVAC:
Table of Contents

Advertisement

I
R
NSERTION AND
EMOVAL
This section describes the necessary steps for inserting and removing a circuit breaker to and from the switchgear's
"Disconnect" position. Racking the circuit breaker to and from Disconnect, Test and Connected positions is covered in the next
section. The following rules should always be observed when inserting a circuit breaker into the switchgear compartment.

NOTE: ABB has specific accessories to be used with ABB breakers.

ALWAYS compare the breaker ratings nameplate with the switchgear ratings nameplate. Verify breaker secondary control
voltage ratings are in agreement with the switchgear control voltage ratings.

ALWAYS make sure lifting hooks and lifting angles (see photo below) are removed prior to inserting breaker into cell.

DO NOT attempt to insert the circuit breaker prior to a complete inspection of both breaker and switchgear compartment.
Breaker and compartment must be free of tools, obstructions or foreign objects.

DO NOT attempt to insert or rack a closed circuit breaker.

DO NOT force a breaker into or out of the cell.

DO NOT remove or rotate interference blocking plate in switchgear compartment. Interference plate prevents improper
rating circuit breaker from being inserted into switchgear compartment.
Do not attempt to remove the breaker from the circuit breaker compartment without the
required ramp, dolly or lift truck.
Maintenance manual for details.
Remove the lifting
angle before
inserting breaker in
cell
DO NOT use Embedded
pole assemblies or primary
contacts to move or lift
breaker

INSERTION AND REMOVAL

WARNING
1VAL050601-MB Rev C
Refer to the specific switchgear Installation and
9

Advertisement

Table of Contents
loading

Table of Contents