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B-2
OPERATION
B-2
GENERAL DESCRIPTION
The Invertec V250-S is a 250 amp arc welding power
source that utilizes single or three phase input power,
to produce constant current output. The welding
response of this Invertec has been optimized for stick
(SMAW) and TIG (GTAW).
OPERATIONAL FEATURES
The Invertec V250-S provides continuous total range
output current adjustment, selectable welding modes
and local or remote output control. Welding character-
istics can be controlled via an arc force control.
Additionally, starting characteristics can be adjusted
via a “hot start” control.
WELDING CAPABILITY
The Invertec V250-S is rated at 250 amps, 35% duty
cycle (based on a 10 minute cycle). It is also rated at
165 amps, 100% duty cycle, and 200 amps, 60% duty
cycle.
LIMITATIONS
The V250-S is not recommended for pipe thawing.
The V250-S should not be powered from the auxiliary
power supply of an engine welder. Special protection
circuits may operate causing loss of output.
INVERTEC V250-S
Read and understand this entire section before
operating your machine.
SAFETY INSTRUCTIONS
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts such
as output terminals or internal wiring.
• Insulate yourself from the work and
ground.
• Always wear dry insulating gloves.
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Only qualified personnel should operate this equip-
ment. Observe all safety information throughout this
manual.
WARNING
FUMES AND GASES
can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to
remove fumes from breathing
zone.
ARC RAYS
can burn.
• Wear eye, ear and body
protection.
WELDING, CUTTING and
GOUGING SPARKS
can cause fire or explosion
• Keep flammable material away.
• Do not weld, cut or gouge on
containers that have held com-
bustibles.