Section 1: Getting Started
9
Connecting Electrical Power
What voltage should be supplied to operate a Legend laser?
All Legend laser systems have an auto-switching power supply that automatically
detects the incoming voltage and automatically switches itself to operate at that
voltage. The Legend power supply will automatically operate properly at any single-
phase voltage between 100 and 240 VAC and will also automatically compensate for
either 50 or 60 Hz. Epilog supplies the appropriate power cord for all of our
equipment.
Legend TT – 35, 40 and 45 watt systems: These systems all operate on standard 110
or 220 voltage at either 50 or 60 hertz. No matter where you are in the world you can
plug these lower wattage systems into a standard wall outlet. The TT will determine
your incoming voltage and automatically switch to operate correctly. It is
recommended that a dedicated 15 amp circuit be used if available, but it is not
required.
Legend EX 30, 35, 40, 45 and 60 watt systems: These systems all operate on
standard 110 or 220 voltages at either 50 or 60 hertz. No matter where you are in the
world you can plug these lower wattage systems into a standard wall outlet. The
Legend will determine your incoming voltage and automatically switch to operate
correctly. It is recommended that a dedicated 15 amp circuit be used if available, but
it is not required.
Legend EX 75 watt systems: For most applications the Legend 75 watt can also
operate on standard 110, single-phase voltage. Under some operating conditions that
require the laser to be constantly on at high power (such as vector only cutting
applications at high power) it may be necessary to use 220 volts as the standard
operating voltage. There are many factors that influence whether the 75 watt Legend
needs 110 or 220 volts: the stability of the electrical supply, the actual voltage of the
electricity being supplied to the system, and other environmental factors can all
contribute to determining the best voltage for a 75 watt laser. If the 75 watt laser is
being used mostly for raster applications and the electrical supply is clean and stable,
standard 110 voltages on a 15 amp circuit is perfectly acceptable. If, on the other
hand, the application is mostly heavy-duty cutting, or if the electrical power supply is
unstable, then 220/240 volts should be used.
Legend EX 120 watt systems: The Legend EX 120 watt laser system will only
operate on 220 volt, single phase electricity.
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