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MSD Manual
Thermal Switch
Two normally closed thermal switches wired in series. One opens if the filter reactor overheats,
the second opens if the filter capacitors overheat. Connect these switches to monitoring
equipment.
Optional Features
Additional wiring requirements may apply to MotorShield
features. For instructions covering these additional requirements, refer to drawings and/or other
supplemental information furnished with the unit.
Capacitor
Reactor
Thermal
Thermal
Switch
Switch
Figure 5: Thermal Switches
13
3.0 Pre-Installation Planning
units that are equipped with optional
™
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