EX-TRAFIRE
®
55SD
Operator Manual, Revision T-3
2-17
Symbols and marking
IEC symbols;
The following symbols may be present on the plasma arc power supply data plate, control labels
and switches�
Symbol
Description
Symbol
Description
Alternating Current (AC) power
ON
Power is ON
V
Over-Current (OC),
Over-Temperature (OT)
OFF
Power is OFF
V
(GAS) Low inlet gas pressure alarm
An inverter-based power supply
V
Direct Current (DC)
power - DC WORK
V
Cutting Mode
The terminal for the external
protective (earth) conductor
V
Grid Mode
For compliance with the European Norm, it is NOT permissible
to use unshielded consumables in Hand-Held applications�
S Mark;
This marking signifies the manufacturer’s declaration of conformity to
applicable European directives and standards (EMC & LVD)�
The
mark indicates that the power supply and torch are suitable for
use in environments with danger of electrocution� The hand torches must
have shielded consumable parts fitted to mantain mark compliance�
CE Mark;
C-Tick Mark;
This marking signifies compliance with appropriate Australian EMC standard�
V
