International Electrotechnical Commission (Iec) Symbols - Hypertherm Powermax45 SYNC Operator's Manual

2
Install and Set Up the Plasma Power Supply

International Electrotechnical Commission (IEC) symbols

The following symbols can appear on the data plate, control labels, switches, and light-emitting
diodes (LEDs).
24
Direct current (DC)
Alternating current (AC)
Plasma torch cutting
Gouging
AC input power
connection
The terminal for the
external protective (earth)
conductor
I
Power is ON
O
Power is OFF
An inverter-based power
1~
f
1
f
2
source, either 1-phase or
3-phase
Volt/amperage curve,
"drooping" characteristic
811470 Operator Manual Powermax45 SYNC