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General

Eaton's Cooper Power™ series 200 A, 25 and 

28 kV insulated standoff bushing meets the full 

requirements of IEEE Std 386™-2006 standard 

– Separable Insulated Connector Systems and 

provides a single loadbreak interface made of high 

quality peroxide-cured EPDM rubber. It is used to 

isolate and sectionalize energized cable in pad-

mounted cabinets, underground vaults, and other 

apparatus. Temporary or permanent parking of 

energized 200 A, 25 kV and 28 kV loadbreak elbow 

connectors that conform to IEEE Std 386™-2006 

standard is simplified with use of the insulated 

standoff bushing.
The insulated standoff bushing is designed to 

be installed in the parking stand mounted on a 

transformer or other apparatus. A grounding lug 

is provided on the standoff bushing bracket for 

attachment of a drain wire to ensure deadfront 

construction. When mated with a comparably rated 

product, the insulated standoff bushing provides a 

fully-shielded, submersible, separable connector for 

energized operation.

The standard insulated standoff bushing has a 

stainless steel eyebolt with a brass pressure foot. 

The molded peroxide-cured EPDM rubber body 

is bolted to a stainless steel base bracket using 

a galvanized steel holddown ring. A completely 

stainless steel bracket assembly is available for 

extremely corrosive environments.

Installation

No special tools are required. A clampstick tool is 

used to place the standoff bushing in the parking 

stand on the front plate of the apparatus. Refer to 

Service Information S500-22-1, 200 A 15, 25, and 

35 kV Class Insulated Standoff Bushing Installation 

Instructions

 for details.

200 A 25 and 28 kV class insulated 

standoff bushing-Canadian Edition

Loadbreak Connector

Catalog Data 

CA650005EN

Effective February 2015 
Supersedes 500-40C June 2008

COOPER POWER

SERIES

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