Nelweld Operations and Service Manual
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7.4 Control Fuses
There are cartridge type fuses in the Nelweld that should only clear if the unit is abused or damaged
(overvoltage, circuit board damage, wiring faults,etc).
Designator Type Case Part Number Protects Location in
Nelweld
F4 4A,250V,
Slow
Blow
3AG 715-060-003 F4: Gun
supply.
In pilot arc
board – See
picture 1
F5 and F6 2A,250V,
Slow
Blow
3AG 715-060-004 F5: Fan
Supply
F6: Control
supply.
In pilot arc
board – See
picture 1
F1* 4A,250V,
Slow
Blow
3AG 715-060-003 F1 Gun
Supply
Wiring harness
from pilot arc
PCB – See
picture 2
F2 2.5A,
250V,
Fast
5mm x
20mm
715-060-002 F2 Control
Supply
In control
power supply
mounted to the
front panel –
See picture 3
*400V units only
Picture 1. F4, F5, and F6 Picture 2. F1*
Picture 3. F2
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