Rockwell Automation 1502 Medium Voltage Contactor, 800A (Series D and E) - Manual (Page 15)

Receiving and Handling 2-3
1502-UM051E-EN-P – June 2013
Vacuum Bottle Integrity Test The internal dielectric condition and vacuum integrity of the vacuum bottles is
determined by this test. Clean the outside of the vacuum bottles with a non-
linting cloth or industrial type wiper before performing the test. Test each bottle
individually during this test.
X-ray emissions may be produced if a voltage higher than
25,000 Volts is applied across the open contacts of a vacuum
bottle.
The vacuum bottles are tested thoroughly at the factory
prior to shipment. However, the bottles can be damaged by
mishandling during shipment. This damage may not be vis-
ible, so this test should be performed before the contactor
is energized for the first time and each time it is returned to
service after maintenance, adjustment, or repair. Otherwise,
this test should be performed annually.
Caution should be exercised during this test since high voltage testing is poten-
tially hazardous.
High-potential test instruments can be purchased to perform the vacuum bot-
tle integrity test. A megger can not be used to measure vacuum integrity because
the megger voltage is too low. One of the following Hi-pot testers is recom-
mended as a test instrument.
MANUFACTURER ADDRESS
Mitsubishi Type VI #4U17 Chicago, Ill., USA
Jennings Model JHP-70A San Jose, CA., USA
Hipotronics Model 7BT 60A Brewster, NY, USA
A T T E N T I O N A T T E N T I O N
S H O C K H A Z A R D