Production tests
Tests conducted in accordance with IEEE Std 386™-2006 standard:
•
AC 60 Hz 1 Minute Withstand
•
25 kV - 40 kV
•
28 kV - 45 kV
•
Minimum Corona Voltage Level
•
25 kV - 19 kV
•
28 kV - 21.5 kV
•
Test Point Voltage Test
Tests conducted in accordance with Eaton requirements:
•
Physical Inspection
•
Periodic Dissection
•
Periodic X-ray Analysis
Ordering information
To order the 25 and 28 kV Insulated Standoff Bushing Kit, refer to
Table 2.
Each kit contains:
•
Insulated Standoff Bushing with Bracket
•
Shipping Cap (not for energized operation)
•
Installation Instruction Sheet
Table 2. Standoff Bushing Kit
Description
Catalog Number
25 kV
28 kV
Standoff Bushing with Standard Bracket
ISB225
ISB228
Standoff Bushing with Stainless Steel Bracket
ISB225S
ISB228S
Table 1. Voltage Ratings and Characteristics
Description
25 kV
28 kV
Standard Voltage Class
25
25
Maximum Rating Phase-to-Ground
15.2
16.2
AC 60 Hz 1 Minute Withstand
40
45
DC 15 Minute Withstand
78
100
BIL and Full Wave Crest
125
125
Minimum Corona Voltage Level
19
21.5
Voltage ratings and characteristics are in accordance with IEEE Std 386
™
-2006 standard.
Eaton and Cooper Power 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.
IEEE Std 386™-2006 standard is a trademark
of the Institute of Electrical and Electronics
Engineers, Inc., (IEEE). This publication is not
endorsed or approved by the IEEE.
200 A 25 and 28 kV class insulated standoff bushing-Canadian Edition
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Eaton’s Cooper Power Systems Division
2300 Badger Drive
Waukesha, WI 53188
United States
Cooperpower.com
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. CA650005EN
Catalog Data
CA650005EN
Effective February 2015
For Eaton’s Cooper Power
series insulated standoff
bushing product information
call 1-877-277-4636 or visit:
www.cooperpower.com.
