107
I
1. Externals
Attach it to Door frame
It protects the product against the dust (IP5X) which
may cause faulty operation and mounted to protrude
type of panel.
It is transparency to show users the front side of ACB
and Cover can be closed even if ACB is drawn out to
TEST position.
Dust Cover
1. Externals
It is the contact which keeps the external control circuit
in normal condition by Aux. contact which disconnects
shorting b-contact when ACB is moved from
CONNECTED position to TEST position. The number
of shorting b-contactcorresponds to the number of
Axb(4b).
2. Contact Condition (Link between Axb and Shorting
““
b
””
Contact)
Shorting b-Contact
ACB Location
ACB Condition
CLOSE
OFF
ON
OFF
OFF
OPEN
OFF
ON
ON
ON
Shorting b Contact
CONNECTED location
TEST location
CONNECTED location
TEST location
Auxiliary Contact (Axb)
3. External Mounting
Accessories
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