Design and function
Ultraviolet radiation
14
099-008232-EW501
26.05.2020
5.5.2 Connection variant Microplasma 20, -50
Figure 5-5
Item Symbol Description
0
1
Connecting nipple (M12x1)
Coolant feed (blue)
2
Connecting nipple (M12x1)
Coolant return (red)
3
Connecting nipple (G 1/4” LH)
Shielding gas (yellow)
4
Connecting nipple (G 1/4" RH)
Plasma gas (red)
5
Connector plug (9 mm / 0.35 inch)
Welding current connection
6
Connector plug (5-pole)
Control cable assembly
7
Connector plug (4 mm / 0.16 inch)
Pilot arc current
5.6 Ultraviolet radiation
WARNING
Risk of injury due to radiation or heat!
Arc radiation can lead to skin and eye injuries.
Contact with hot workpieces and sparks can lead to burns.
• Use hand shield or welding helmet with the appropriate safety level (depends on the appli-
cation).
• Wear dry protective clothing (e.g. hand shield, gloves, etc.) in accordance with
the applicable regulations of your country.
• Persons who are not directly involved should be protected with a welding curtain or suitable
safety screen against radiation and the risk of blinding!
