start converter before applying load.
Magnetic controls or single-phase loads (including
electronics, microprocessors, etc.) must always be energized by lines T-1 and T-2.
Never connect a ground or neutral to line T-3
phase), which can easily be identified as the line with the
highest voltage to ground with the converter running.
is essential that careful consideration be given to your wiring length and size to prevent slow starting due to a voltage drop. Consult Electrical Code for proper wire sizing.
to the high starting current (in-rush current) common to electric
motors, a drop of starting torque may occur when using a converter
that is too small. Because of this, it is NOT advised to size an
application KW for KW. The vast majority of applications require
sizing the converter 100% larger or more than the largest
rated motor of your equipment. See
considerations, or call 1-800-962-6976.
tables below show the approximate idle current at 415V. Higher line voltage will cause idle current to
increase. Excessive amperage could also be caused by incorrect
equipment (CNC/PLC, 3-phase powered electronics, etc.) may require
a Phase-A-Matic™ Voltage Stabilizer designed to reduce phase
voltage imbalance. See
Stabilizer, or call
ground all electrical equipment.
should reach full speed within 2 to 3 seconds.
every 12 months for normal operation, or every 6 months for
continuous (24 hour) operation. Use high
temp bearing grease: "Exxon POLYREX®EM"
polyurea grease or equivalent available from
are intended for use in clean, dry
locations with access to an adequate supply
of cooling air. In addition, there
should be protection from or avoidance of
flammable or combustible materials in the
area of converters as they can eject flame and/or
metal in the event of an insulation failure.
"KW" series Rotary
Converter is 400-480V single-phase in and 400-480V three-phase out,
and 60Hz use.