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ACCESSORIES
C-2 C-2
V350-PRO
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Cobramatic Connection Instructions
ACobramatic can only be used with a Factory or
"CE" version of the V350
1. Turn the Invertec power switch "off"
2. Connect the control cable from the Cobramatic to
the 24/42 VAC 14-pin wire feeder amphenol on
the rear of the Invertec.
3. Connect the electrode cable to the output terminal
of the polarity required by electrode. Connect the
work lead to the other terminal.
4. Set the meter polarity switch on the front of the
Invertec to coincide with wire feeder polarity used.
5. If a remote control such as K857 is to be used
with the Cobramatic, the remote can be connected
directly to the 6pin amphenol on the front of the
Invertec or use a K864 adapter to connect the
cobramatic and the remote to the 24/42VAC 14-
pin wire feeder amphenol connector on the rear of
the Invertec.
TIG Module K930-2
The TIG Module connects to the V350-Pro Factory or
CE versions with a K936-1 (9-14 pin) control cable.
Connect the K936-1 to the 115VAC Wire Feeder
Amphenol on the rear of the V350-Pro.
The TIG Module can also be used with the V350
Construction version. A K936-4 control cable is
required to supply 115VAC to the TIG Module from an
external 115VAC supply.
General Instructions for Connection of Wire
Feeders to V350-Pro
Wire feeders other than LN-7 and LN-25 may be used
provided that the auxiliary power supply capacity of
the V350-Pro is not exceeded. K867 universal
adapter plug is required. See connection diagram
S19406 and S19386 at the back of this manual for
more information.
Remote Control of Invertec
Remote Control K857, Hand Amptrol K963 and Foot
Amptrol K870.
OPTIONS / ACCESSORIES
Construction Version – K1728-2
• All welding modes for this model run with local out-
put control and weld terminals ON (e.g. Stick, TIG,
LN25 off the arc).
K930-1 TIG Module
K428,K446, K449 LN-25(Off the Arc)
"CE" Version – K1728-3
• The "CE" version is the Factory version with the
addition of power line filtering allowing the machine
to comply with the European and Australian EMC
emission requirements.
Field Installed Options/Accessories
Two versions of the V350-Pro are available from the
factory for both the CE and ROW versions.
Options for K1728-1 Factory and K1728-3 "CE"
V350’s
• TIG Gas Control Kit – K1762-2
• Advanced Process Panel – K1763-1
Options for all models of V350-PRO
• Undercarriage – K1764-1
• Valet Style Undercarriage - K1838-1
Welding Cable Connectors:
• K852-70 1/0-2/0 cable
• K852-95 2/0-3/0 cable
FACTORY VERSION and
ADVANCED PROCESS VERSION
K857 Remote Output Control
K814 Arc Start Switch
K812 Hand Operated Amptrol
K870 Foot Operated Amptrol
Note: All of the above remote controls connect directly
to the 6-pin MS-style connector, with either a K864 or
K876 adapter and connect it to the 14 pin wire feeder
MS-style connector. (See Diagram in Section F-1)
K930-[ ] TIG Module
K428, K446, K449 LN-25 *
K617 (-1 or -2) K618 (-1 or -2) LN-742
K440 (-1), K567-1 LN-7 GMA
K1559-1, K1564-1 LN-10
K1499-1, K1521-1 DH-10
K1587-1 Cobramatic
*Not recommended for pulse welding