Earthing - Stel TIG μP 353H DC Manual De Instrucciones

TECHNICAL DESCRIPTION
CONNECTION
- Before making the electrical connections between the current generator and the
line switch, ensure that the switch is turned off.
- The distribution panel must comply with the regulations in force in the country of
use ( ).
- The mains system must be of the industrial type.
- Provide a special socket for housing the leads of the power supply cable (6mm
section).
- For longer cables, increase the section of the lead accordingly.
- Upstream, the special mains socket must have a suitable switch with delayed
fuses.

3.4- EARTHING

MODEL VOLTAGE/PHASES
400v 3 phases without
TIG µP 353 DC 3F
- To ensure user protection the welding machine must absolutely be correctly
connected to the earth system (INTERNATIONAL SAFETY REGULATIONS).
- It is indispensable to provide good earthing by means of the yellow-green lead in
the power cable, in order to avoid discharges due to accidental contacts with
earthed objects.
- The chassis (which is conductive) is electrically connected with the earth lead; if
the equipment is not suitably connected to earth it may cause electric shocks
which are dangerous for the user.
44
ENGLISH
TIG µP 353H DC
COD. 6903700030
DEL. FUSES
25 A
neutral
STEL s.r.l. – Via del Progresso n° 59 – 36020
Loc. Castegnero (VICENZA) - ITALY
TEL. +39 444 639525 (central.) – +39 444 639682 (comm.)
FAX +39 444 639641 – E-mail:stelgroup.com
http: www.stelgroup.it
TECHNICAL DESCRIPTION
CONNECTION
- Before making the electrical connections between the current generator and the
line switch, ensure that the switch is turned off.
- The distribution panel must comply with the regulations in force in the country of
use ( ).
- The mains system must be of the industrial type.
- Provide a special socket for housing the leads of the power supply cable (6mm
section).
- For longer cables, increase the section of the lead accordingly.
- Upstream, the special mains socket must have a suitable switch with delayed
fuses.
3.4- EARTHING
MODEL VOLTAGE/PHASES
400v 3 phases without
TIG µP 353 DC 3F
- To ensure user protection the welding machine must absolutely be correctly
connected to the earth system (INTERNATIONAL SAFETY REGULATIONS).
- It is indispensable to provide good earthing by means of the yellow-green lead in
the power cable, in order to avoid discharges due to accidental contacts with
earthed objects.
- The chassis (which is conductive) is electrically connected with the earth lead; if
the equipment is not suitably connected to earth it may cause electric shocks
which are dangerous for the user.
44
ENGLISH
TIG µP 353H DC
COD. 6903700030
DEL. FUSES
25 A
neutral
STEL s.r.l. – Via del Progresso n° 59 – 36020
Loc. Castegnero (VICENZA) - ITALY
TEL. +39 444 639525 (central.) – +39 444 639682 (comm.)
FAX +39 444 639641 – E-mail:stelgroup.com
http: www.stelgroup.it