B-4 OPERATION B-4
nameplate
T
he data plate stamped on the metal structure
complies with the EN 60974-1,
EN50199(EN60974-10) international standards and
contains the following information:
* (a) Manufacturer's name and address
* (b) Trademark
* (c) Model
* (No) Serial number
* ( ) The welding power
source comprises a frequency converter followed by
an transformer and rectifier that transforms input
voltage into direct current.
* (EN 60974-1/EN 50199) Standards applied.
* ( ) Direct current.
* (x) Utilisation factor expressed as a percentage of
useful work over a cycle of 10 minutes at an
ambient temperature of 40
o
C.
* (I
2
) Rated weld current.
* (U
2
) Conventional load voltage.
* (Uo) Rated no-load voltage.
* ( ) MMA welding.
* ( )) 1input phases.
* (IP21S) Casing protection degree in compliance
with the EN 60529 Standard:
IP2XX Casing protected against access to
dangerous components with fingers and against the
introduction of foreign matters with diameter 12.5
mm.
IPX3X Casing protected against rain failing at
60~on the vertical line.
IPXXC Casing protected against contact of a test
gauge
φ
2.5 mm length 100 mm with live
dangerous parts,
* (U
1
) Rated power supply voltage.
* (50/60 Hz) Power supply rated frequency.
* (l
lmax
) Maximum supply current.
(I
1 eff
) Effective supply current.* ( S ) Generator
suitable for installation in places where major risks
of electric shocks are preset
* (CE) In compliance with the European regulations
in force.
safety earthing column
The earthing must be made according to the national
regulations. Make sure that the supply mains and the
earthing are sufficient and adequate
~
1~
f1
f2
~