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Operating instructions DUO 315 7 Electrical Safety
(05.11)
KS_DUO 315_BA_04_701474600_00.doc
5
7 Electrical Safety
Switch off and remove the plug from the mains before adjusting,
cleaning or if the cable is cut, damaged or entangled.
This welding unit is Class 1 and requires an earthed (grounded)
connection. An earth spike must be used with generators.
The operating voltage is 230 volts ac 50 Hz, and a power source
capable of 2500 Watts is required.
Extension cables should only be used if they comply with the H07RNF
harmonized standard. They must be fitted with connectors to the BS EN
60309-2 standard. All cables must be unwound from the reel to stop
inductive heating effects. The cable dimensions should be as follows:

1.5mm
2
cable = 25m

2.5mm
2
cable = 50m

4.0mm
2
cable = 75m
The welding unit should be used with a 30mA RCD breaker. This
breaker must always be plugged directly into the supply to protect the
unit and any extension leads that are used with the equipment. Always
check the RCD every time you use it.
The supply cable must be inspected for signs of damage before each
use and the equipment may only be used if in perfect condition.
Damaged cables must be replaced by an approved service agent.
This equipment is classified as “Portable for use on industrial
applications”, and must undergo a formal electrical safety check
(Portable Appliance Test) as per local regulations.
WARNING