OEM Equipment Effective November 2013 Supersedes April 2013 High-voltage primary bushings installation instructions S800-35-2
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY The information, recommendations, descriptions and safety notations in this document are based on Eaton Corporation’s (“Eaton”) experience and judgment and may not cover all contingencies. If further information is required, an Eaton sales office should be consulted.
Contents safety information Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv product information Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Acceptance and Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
! Safety for life SAFETY FOR LIFE ! SAFETY FOR LIFE Eaton’s Cooper Power Systems products meet or exceed all applicable industry standards relating to product safety. We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton’s Cooper Power Systems employees involved in product design, manufacture, marketing, and service.
WARNING All associated apparatus must be de-energized and all voltage sources removed during installation, removal or maintenance. Improper operation, handling, or maintenance can result in death or severe personal injury. CAUTION Use red or blue shipping cap provided to protect bushings from physical damage and contaminants. This shipping cap should not be used for insulating a bushing when energizing the unit.
Installation procedure Table 1. Electrical Ratings Voltage Withstand kV Class 15, 25, & 28 Maximum Rating Voltage (RMS) Description AC 60 Hz 1 Min RMS DC 15 Min Continuous Current Rating* Impulse Withstand kV BIL Minimum Corona Voltage P-G P-P 200 A Bushing Well (HTN and epoxy) 40 78 200 A 125 21.5 16.2 – 35 Tri-Clamp, 200 A Bushing Well 50 103 200 A 150 26 21.1 – 35 1-Pc, 200 A Loadbreak Bushing 50 103 200 A 150 26 21.1 36.
Table 3. 3-Stud Triangular Bushing Clamp or One Piece Tri-Clamp Bushing Well "A"** Tank Hole "C" Size (Dia.) Bolt Circle (Dia.) kV Class Description 15 & 25 200 A Bushing Well with a 2.19" Diameter Shank 2.25" (57 mm) 15, 25, & 35 All 200 A Bushing Wells with a 2.50" Diameter Shank 35 200 A Loadbreak Internal (underoil or SF6) bushing stud Brass nuts are recommended for copper threads and aluminum nuts for aluminum threads.
! SAFETY FOR LIFE Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com Eaton’s Cooper Power Systems Business 2300 Badger Drive Waukesha, WI 53188 cooperpower.com © 2013 Eaton All Rights Reserved Printed in USA Publication No. S800352 Rev 04 Replaces S800352 Rev 03 Eaton and Cooper Power Systems are valuable trademarks of Eaton, in the U.S. and other countries. You are not permitted to use these trademarks without the prior written consent of Eaton.