2:1 Isolation
Transformer
CL-7 Control Panel
120 V External
Source
Neutral connected to ground at panel
to shunt HV to LV faults/leakage to
Earth Ground. Can't be removed.
To assure isolation from Earth Ground
check continuity of each of the leads of
the isolation transformer to G before
connecting leads to control panel.
Core may or may
not be tied to Earth
Earth Ground not
carried to panel.
Figure4. 240 Vac application with Eaton's Cooper Power series 120 V Control—Option 1
2:1 Isolation
Transformer
CL-7 Control Panel
Neutral connected to ground at
panel to shunt HV to LV faults/
leakage to Earth Ground. Can't
be removed.
To assure isolation from Earth Ground
check continuity of each of the leads of
the isolation transformer to G before
connecting leads to control panel.
Core may or may
not be tied to Earth
120V External
Source
Figure5. 240 Vac application with Eaton's Cooper Power series 120 V Control—Option 2
7
INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN April 2018
CL-7 Voltage Regulator Control