● Function
It is mainly used as incoming cable unit for cable connection or output unit for ring main.
It usually equips with a three-position load switch with SF6 insulated performance (CKFL-S) and relevant operating mechanism. The three-position load switch just can be at the position of closing, opening & earthing, what is more, its position indicating device meets the standard of IEC60129A2 (1996) and relevant national standards. Operator can check whether the switch is in opening / earthing status from the watch window of low voltage compartment. Meanwhile, the operator can also check the cable connection and fault indicator from the watch window of the enclosure front door when device operates.
● Standard Feature
Upper part of the unit
---- three-position load switch
---- operating mechanism
---- enclosure for busbar compartment
---- integrated low voltage compartment
---- interlocking device
---- busbar
Lower part of the unit
---- enclosure for cable compartment
---- bottom plate for cable support brackets
● Optional Feature
---- integrated capacitive voltage indicator or inserting interface for portable capacitive voltage indicator
---- auxiliary contact for each position : 2pcs always opening + 2pcs always closing
---- electric operating mechanism
---- current transformer
---- voltage transformer
---- channel for cable controlling
---- channel for pressure releasing
---- surge arrester
---- earthing busbar
---- fault indicator
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Unit Air Insulated Circuit Breaker Installed With Epoxy Resin Enclosure Inside Images
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