Clarke Arc/Tig135, Operating & Maintenance Instructions

Page: 16 / 28

16
ELECTRICAL SYMBOLS DISPLAYED ON THE MACHINE
The full technical specification for your inverter is to be found printed in a rating plate on the back
panel or underside of the ARC/TIG 135 machine. The meaning of the markings and symbols
shown are explained as follows.
EN 60974 -1: (2005) European Standard-Arc Welding Equipment
EN 50199: (1996) Electromechanical Compatability (EMC)
Single-phase static frequency converter/transformer/rectifier
Symbol for Drooping Characteristic
Direct Current
Symbol for manual metal arc welding with covered electrodes
U0=_ _ V Min rated no-load voltage
Symbol for mains supply & No of phases
IP_ _ Degree of protection (e.g. IP21)
_ _A/ _ _V to _ _A/_ _V Range of output, min & max welding current and their
corresponding load voltage
X Duty Cycle (expressed as a %, e.g.35%)
1
2
A Max/min rated value of the welding current for the duty cycle
U
2
_ _ V Conventional load voltage for the duty cycle
U1_ _V Rated value of the supply voltage
L 1max = _ _ A Symbol, rated value and dimension of the max. supply current
l
1
eff = _ _A Size of the necessary main fuse
H Code letter for degree of insulation (I.CL.)
COOLING Air Fan