4 Connection tasks Page 25
Stud welding units Operating manual Date: July 2021
INTRA 2100/1400 07.2021 / EN Rev.: A
4.1 Power cable connection
The power cable must be connected only to a grid connection socket with a tested
earth conductor function.
Warning:
• Before connection, the power socket’s earth conductor function must
be checked!
• The power supply connection must be checked only by electro-
technical personnel!
• Only electro-technical personnel are to open the welding device or
work within its housing!
The power supply values are marked on the INTRA 2100/1400 type plate.
*: following (Pos. No.)
see illustration on page 24
After the device is switched on with the power switch (1*), the network control lamp
lights up green (2*).
The connection should be made to a stable electrical system. Consistent power
supply voltage and network frequency ensure consistent high-quality weld results.
The built-in constant current automation reliably evens out primary system voltage
fluctuations within broad limits and works up to the maximum weld current.
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