Hypertherm Powermax1250 Service Manual - Manual (Page 33)

SPECIFICATIONS
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2-6 powermax1250 Service Manual
Symbols and markings
S Mark
The S mark indicates that the power supply and torch are suitable for use in environments with increased hazard
of electrical shock. The hand torches must have shielded consumable parts to maintain S mark compliance.
IEC symbols
The following symbols may appear on the power supply data plate, control labels and switches.
O
l
D irect current (DC)
The terminal for the external
protective (earth) conductor
AC input power connection
Plasma torch cutting and gouging
A lternating current (AC)
An inverter-based power
source
Volt/amp curve, “drooping”
characteristic
Power is OFF
Power is ON
Plasma torch in the TEST
position (cooling and cutting
gas exiting nozzle)