Substation Operating Sockets

Lightweight with good corrosion resistance. Designed for strength and ease of use.

PBwel manufacture products such as Substation Operating Sockets, S9D ESI S1 and the CEA/S2 ESI-S2, using a light alloy material for both strength and ease of use.

These essentially support the line end clamp while being raised and lowered at the end of an operating pole and also rotate the operating screw of the line end clamp whilst being secured into position or being removed.

Socket type S9D ESI S1 supports clamps being applied in an upward direction. When the clamp is fully tightened, the socket should be pushed gently up towards the clamp at the same time maintaining the tightening pressure and to which the socket will then automatically disengage.

Socket type CEA/S2 ESI-S2 is an alternative type to the S9D where the operating screw of the line end clamp is controlled by means of a sprung loaded plunger in the socket. The CEA/S2 ESI-S2 socket is for application in a downward direction, i.e. below the horizontal and for this reason is sprung loaded to ensure the clamp does not fall out of the socket inadvertently.

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(S9B Short Taper Line End Clamp being attached to S9D Operating Socket)

Clamp ‘NIB’ engages in the S9D socket to locate the clamp whilst being raised into position. The clamp does not require being fully opened/unscrewed as the socket controls the clamp whilst being fitted over the busbar.

Once the clamp fits over the busbar, the socket releases the nib and allows the clamp to be tightened by rotating the Operating Pole. Once the springs upon the clamp are tightened a slight upward motion whilst maintaining tightening pressure will release the clamp.

Customer Benefits

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View the full range of Substation Operating Sockets

PBwel is the leading designer, manufacturer and supplier of quality electrical safety products.

PBwel is a globally recognised designer, manufacturer and supplier of temporary portable earthing, voltage detectors, Buchholz relays and electrical safety products.

With a heritage spanning over eighty years, and world-class experience in equipment designed for the safe maintenance of power systems, PBwel provides customers with high-quality service, reliable solutions and technical expertise.

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