B-2
OPERATION
INVERTEC V300-I
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OPERATIONAL FEATURES AND
CONTROLS
The Invertec V300-I provides continuous total range
output current or voltage adjustment, selectable weld-
ing modes and local or remote output control.
Additionally, a digital meter displays either preset or
actual output. Welding characteristics can be con-
trolled via an arc force and inductance control.
WELDING CAPABILITY
The International V300-I Invertec is rated for 200
amps at a 60% duty cycle for single-phase input and
300 amps at a 60% duty cycle for three-phase unit.
LIMITATIONS
The V300-I is not recommended for pipe thawing.
GENERAL DESCRIPTION
The Invertec V300-I is a 300-amp arc welding power
source that utilizes single- or thee-phase input power
to produce either constant voltage or constant current
outputs. The V300-I is designed for 50/60 Hz supply
systems. The welding response of the Invertec has
been optimized for GMAW, SMAW, TIG and FCAW
processes. It is designed to be used with the LN-25,
LN-7 and LN-9 GMA Semiautomatic Wire Feeders.
RECOMMENDED PROCESSES AND
EQUIPMENT
The Invertec V300-I is recommended for constant
voltage welding processes like GMAW and FCAW,
and constant current processes such as SMAW (stick)
and GTAW (TIG). Additionally the V300-I will perform
air carbon arc cutting. NOTE: Do not exceed the rated
current and duty cycle when air carbon arc cutting.
DIGITAL METER
SWITCH
OUTPUT TERMINALS
SWITCH
LOCAL/REMOTE
SWITCH
MODE SWITCH
ARC FORCE
AND INDUCTANCE
CONTROL
OUTPUT
CONTROL
HIGH TEMPERATURE
WARNING LIGHT
REMOTE
OUTPUT
TERMINALS
REMOTE
OUTPUT
A
R
C
F
O
R
C
E
I
N
D
U
C
T
A
N
C
E
5
1
10
4
2
9
3
8
7
6
5
1
10
4
2
9
3
8
7
6
ON
A
V
L8608
FCAW
SMAW
CRISP
SMAW
SOFT
GTAW
GMAW
®
INVERTEC
™
V300-
I
CONTROLS AND SETTINGS
All operator controls and adjustments are located on the case front or case back of the V300-I. Refer to Figure
B.1and corresponding explanations.
FIGURE B.1 — CASE FRONT CONTROLS.
