
A-6
INSTALLATION
A-6
INTER-CONNECTION OF CONVERTERS
The input and electrode cables of the RED-D-ARC
MX350 Converters may be inter-connected in a RED-
D
-ARC MX350 System using any combination of
Distribution Box(es) (see Figure 1), paralleling ( CC
mode only) and "daisy-chaining" (see Figure 2) which
best fits the field application setup within the capacity
of the power source supplying the system:
Power Source (Volts x Amp) capacity > 1.1 x Sum of
Converters’ (Volts x Amps) arcs
For Converters (operating at rated output) less than
200ft. (61m) from the power source, the following min-
imum cable sizes are recommended for the indicated
quantity of Converters supplied by the input cable run
to keep cable temperature and voltage drop within
acceptable limits:(See Table.1)
DAISY CHAIN OPERATION
FIXED PARALLEL OPERATION
TO
WORK
T
O POWER
SOURCE
T
O WORK
TO ELECT.
T
O POWER
SOURCE
TO WORK
T
O ELECT.
T
O WORK
TO ELECT.
SEPARABLE PARALLEL OPERATION
T
O WORK
TO WORK
TO POWER
SOURCE
TO POWER
SOURCE
TO WORK
TO ELECT.
TO ELECT.
PARALLEL
JUMPER
+
IN
+
IN
E
LECT.
+
+
IN
+
IN
ELECT.
+
+
IN
+
IN
ELECT.
+
+
IN
ELECT.
+
+
IN
+
IN
ELECT.
+
ELECT.
+
ELECT.
+
ELECT.
+
Figure 2
ELECTRIC SHOCK can kill.
Paralled units may be powered from
more than one source. Disconnect all
inputs, including outputs from other
sources before working on the equip-
ment. Before removing the parallel
jumper be sure both Converters are
switched OFF. If not, the male side of the first dis-
connection will be electrically "hot" to work.
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WARNING
RED-D-ARC MX350
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