Page 14
GENERAL DESCRIPTION
Withdrawable Contactor Carriage
(Fig. 11)
The withdrawable contactor carriage is a
removable assembly which contains the
following components:
Vacuum contactor
Power fuse housing assembly.
Set of line and load power stab
terminals.
Auxiliary contacts for vacuum
contactor.
Control wiring disconnect plug.
Set of wheels to facilitate moving the
carriage when it
is
outside the
controller.
The withdrawable contactor carriage is
normally shipped installed in the controller. It
may be removed for access to the medium
voltage compartment during initial installation,
connection of motor cables, etc. Periodically,
removal of the carriage may also be necessary
for routine maintenance of the contactor or
replacement of the power fuses.
Always use a Toshiba JK
Lifting Device (Fig. 12)
for removal or installation
of the contactor carriage.
When the carriage is installed in the controller
compartment, the following connections are
automatically made:
The line side stabs engage the fixed-
mounted isolation switch connecting
the load side of the switch to the line
side of the power fuses.
The load side stabs engage the fixed-
mounted load receptacle connecting the
load side of the vacuum contactor to
the current transformers.
The control transformer primary stabs
engage fixed-mounted clips connecting
the load side of the power fuses to the
primary side of the control
transformer(s).
Fig. 11 Withdrawable Contactor Carriage
Fig. 12 Lifting Device
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
To Next Page
Loading...
