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ALFA IN a.s. ©
www.alfain.eu
increased protection for
the operator
100V effective
4
Plasma cutting
DC current: 500V
peak value
•
In case 1, the dc machines with rectifier must be built in such a way that,
in case of a fault developing in the rectifier (for example open circuit,
short circuit or lack of power), the permitted values cannot be exceeded.
The welding machines of this type can be marked with the symbol:
S
•
Before opening the machine switch off the machine and disconnect it
from the power socket.
•
Only personnel authorised by this company can carry out maintenance
on the machine.
2.1 ELECTROMAGNETIC COMPATIBILITY (EMC)
This machine conforms to EN 60974-10 standard. However, the
electromagnetic emissions generated could prove not be compatible with
the maximum permitted levels for some classes of electrical equipment, such
as the following:
•
Domestic electronic appliances (radios, TVs, videos, telephones,
burglar alarms, etc.).
•
Computers, robots, electro-medical instruments and life-support
systems.
•
Radio-television transmitters and receivers.
•
Pacemakers and hearing aids.
•
All very sensitive electrical equipment.
The operator is responsible for the installation and use of the cutting
machine. If there should be any fault in operations of other systems located
in the immediate vicinity of the generator, we recommend suspending
operations and consulting the manufacturers.
2.2 PROTECTIVE UTTILITIES
•
Welding helmet with filter shade at least 10
•
Welding gloves
•
Welding apron and cloth
•
Welding boots
2.3 RISK OVERVIEW
•
Risk of electric shock.
•
Ultraviolet light and light radiation