Hypertherm Powermax30 Operator Manual - Manual (Page 57)

SETUP
powermax30
Operator Manual 3-3
Position the power supply
Locate the Powermax30 power supply near a 120 volt or 230 volt power receptacle. Allow at least
10 inches (0.25 m) of space at the front and back of the power supply for proper ventilation.
Voltage configurations
The Powermax30 power supply automatically selects either 120 volts or 230 volts, as appropriate.
The maximum output voltage will vary based on your input voltage and the circuit’s amperage. The
following chart shows the maximum rated output for typical combinations of input voltage and
amperage. Input voltages can be ±10%.
Requirements for grounding
To ensure personal safety, proper operation, and to reduce electromagnetic interference (EMI), the
Powermax30 must be properly grounded:
• The power supply must be grounded through the power cord according to national and local
electrical codes:
• Single-phase service must be of the 3-wire type with a green or green/yellow wire for the
protective earth ground. Do not use a 2-wire service.
• Refer to Section 1, Grounding Safety, for more information.
Input voltage Rated output
Amps (RMS) input
at rated output, 60
Hz, single-phase
KVA
120 V, 15 A circuit 20 A, 83 V 17 2.1
120 V, 20 A circuit 30 A, 83 V 26 3.1
120 V, 30 A circuit 30 A, 83 V 26 3.1
200-240 V, 20A
circuit
30 A, 83 V 15.5 – 13 3.0
Caution: A circuit capable of 15 amps, 120 V or 20 amps, 230 V is required
for proper operation. Protect the circuit with appropriately sized
time-delay fuses or circuit breakers.
PMX30_OM_03.qxp:PMX30_OM_03 10/7/09 12:44 PM Page 3-3