● A test tab (5)
● Sling points (6)
● Grounding screw (7)
● Lift-off screws (8)
● Transformer vent (10)
Bushing head
The clamping piece (16) is screwed to the head armature of the composite insulator.
Seals (17) are arranged in defined chambers in the interface between the pin and the
clamping piece.
Air release screw
The air release screw (2) for venting of the central tube is located at the side on the clamping
piece (16).
Undetachable conductor bolt
With a undetachable conductor bolt, there is no clamping piece, but rather a disk as the:
● corrosion protection between the copper bolt and the aluminum armature
● Cover for the bolt sealing underneath
Pulling through the bolt
Draw lead bolts / detachable conductor bolts have a threaded bore with a hexagon screw (1)
on the front for pulling through the bolt using a pulling wire or pulling rod.
Electrode
Depending on the scope of supply, a detachable insulated shield electrode is provided on the
transformer side of the bushing using a bayonet lock.
Range STARIS®-Sia+
16/53