Symbols and markings, S mark, Ce mark – Hypertherm Powermax30 Service Manual User Manual
Page 39: Iec symbols, Powermax30
SPECIFICATIONS
2-4
powermax30
Service Manual
IEC symbols
The following symbols may appear on the power supply data plate, control labels, switches, and LEDs.
O
l
Direct current (DC)
The terminal for the external
protective (earth) conductor
AC input power connection
Plasma torch cutting
Alternating current (AC)
An inverter-based power
source
Power is OFF
Power is ON
f
1
f
2
1~
AC
AC
Power is ON (LED)
Low inlet gas pressure
Missing or loose
consumables
Power supply is over
heated
Volt/amp curve, “drooping”
characteristic
Symbols and markings
S mark
The
mark indicates that the power supply and torch are suitable for use in environments with increased hazard
of electrical shock.
CE mark
The CE mark (
) constitutes a manufacturer’s declaration of conformity to applicable European directives and
standards. Only those versions of Hypertherm products with a CE mark located on or near the data plate have
been tested for compliance with the European Low Voltage Directive and the European EMC Directive. EMC filters
needed to comply with the European EMC Directive are incorporated within versions of the power supply with a CE
mark.