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S611 Soft Starter
MN03902011E—May 2012 www.eaton.com
35
S611 Internal Bypass Contactor Replacement
Disconnect power in accordance with federal, state, and
local codes and remove the S611 from the enclosure or
mounting panel.
Note:
Servicing the S611 while installed in an enclosure or
mounted vertically on a panel is not recommended.
Place the unit on a clean work surface.
Cover Removal
1.
Disconnect all control wiring and tie wraps securing any
wiring to the cover assembly.
2.
Remove cover screws with nuts, six each on Frames
A–D, four each on Frames E–F.
Note:
Cover screw nuts are prevented from rotating but are
not retained in place by the pole supports. Do not
allow hardware to fall into the soft starter.
3.
Lift top of cover approximately 6 in to gain access to the
BYPASS VOLTAGE contactor connector mounted on the
Printed Circuit Board (PCB). Note placement of wiring
from PCB to soft starter components. See “Contactor
Connector” figure below.
4.
Press locking tab on BYPASS VOLTAGE contactor
connector and disconnect from the PCB.
5.
Carefully rotate cover to rest onto work surface as
shown. See “Cover Position” figure below. If replacing
an internal bypass contactor, the cover may be simply
moved aside after disconnecting the BYPASS VOLTAGE
connector to gain access to the contactors.
Contactor Connector
Cover Position
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Содержание S611
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