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Shunt Trip Installation, ACI Part No. 135728 or
135728A
Follow these steps to incorporate a 24-v shunt trip (ACI part no.
135728) or 120-v shunt trip (ACI part no. 135728A) onto a newer
style manual motor starter (MMS). Figure 127 shows the shunt
trip device.
Fig. 127 — Shunt Trip Device,
ACI Part No. 135728/135728A
1. Turn off all power to the unit. Follow all shut down and
lock-out/tag-out procedures.
.
WARNING
Electrical shock can cause personal injury and death. Shut off
all power to this equipment during installation and service.
There may be more than one disconnect switch. Tag all dis-
connect locations to alert others not to restore power until
work is completed.
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Fig. 125 — Installing the Shunt Trip (ACI Part No. 135046)
Fig. 126 — Running the Leads and Replacing the Cover
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2. The MMS is located on the DIN rail assembly. See Fig. 128.
Record which wires are connected to the MMS. Then care-
fully remove the wires from the MMS.
Fig. 128 — MMS on DIN Rail Assembly
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