Class 8839 58M Enclosed AC Drives
Power Circuit Descriptions
150 09/2003
© 2000–2003 Schneider Electric All Rights Reserved
Harmonic Filter OptionsThe Harmonic Filter option (option 710) provides integrated short circuit protection for separately mounted harmonic filters by coordinating the Class 8839 58M Enclosed drive's circuit breaker as a common disconnect for both filters and drive. Branch circuit protection is also provided with fuses according to the National Electrical Code. This option is wired so that it does not affect b ypass opera tion when supplied.Line Contactor OptionsThe Line Contactor option (option B10) offers a three-contactor isolation/bypass strategy when Barriered Bypass is not required but when drive isolation while operating on bypass is desired.
M
AC Drive
Fan
CB
Disconnect
To
Separately
Mounted
Harmonic
Filter
Pic08.eps
M
AC Drive
Fan
CB
Disconnect
To
Separately
Mounted
Harmonic
Filter
IC
BC
Pic09.eps

M

AC Drive
Line
Comtactor
5%
Reactor
If Used
Fan
and
Control
CB Disconnect
IC BC
Pic10.eps