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ON Button: When pushed, power is sent to the
magnetic field coil and the contactor closes and
sends power to the motor.
Manual
Contactor
Override Lug:
When pushed,
the contactor
is manually
closed for
troubleshooting
purposes only.
Manual Trip Test Lever: If the thermal
relay function is in question, use a wooden
stick or dowel to slide the brown lever to the
right. If the motor shuts off, the thermal relay
has tripped and is functional. If the motor
keeps running, the themal relay needs to
be replaced.
WIRING DIAGRAM
Visit us on the web at powertecproducts.com
Put these instructions and the original sales invoice in a safe,
dry place for future reference.
Southern Technologies, LLC
Waukegan, IL 60087
220/240 1-Phase
Power Source
3 HP 220/240 V
Motor
Reset Button/OFF
Button
Reset Operation:
If the thermal relay
has tripped, push this
button to reset the
thermal relay.
OFF Operation:
If the motor is
operating normally,
this button will also
cut the current going
to the magnetic field
coil, which opens the
contactor and kills
power to the motor.
Thermal Relay
Overload Amp
Adjustment
Dial: Turn this
dial to the motor
manufacturer's
thermal overload
amp setting
specification.
Typically this
setting is 100-110%
of what is listed on
the motor data plate
as the MAX amp
load.
IMPORTANT:
Turning this dial
has no effect on
increasing motor
horsepower.
Turning this dial
to a too high amp
setting could
cause the motor
to overheat and
become damaged
before the
relay trips.
19-0604
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