ESAB MultiPower 460 Pulse Manuel d'instructions Page 26

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26
ELECTRIC SHOCK CAN KILL! BEFORE MAKING ELECTRICAL INPUT
CONNECTIONS TO THE POWER SOURCE, "MACHINERY LOCKOUT
PROCEDURES" SHOULD BE EMPLOYED. IF THE CONNECTIONS ARE
TO BE MADE FROM A LINE DISCONNECT SWITCH, PLACE THE SWITCH
IN THE OFF POSITION AND PADLOCK IT TO PREVENT INADVERTENT
TRIPPING. IF THE CONNECTION IS MADE FROM A FUSE BOX, REMOVE
THE CORRESPONDING FUSES AND PADLOCK THE BOX COVER. IF IT
IS NOT POSSIBLE TO USE PADLOCKS, ATTACH A RED TAG TO THE
LINE DISCONNECT SWITCH OR FUSE BOXWARNING OTHERS THAT
THE CIRCUIT IS BEING WORKED ON.
WARNING
C. Primary (Input) Electrical Connection
This power source is a three-phase unit and must be connected to a three-phase AC primary power. It is recommended that
the unit be operated on a dedicated circuit to prevent impairment of weld performance due to an overloaded circuit.
SECTION 3 INSTALLATION
*Sized per National Code for 80 °C rated copper conductors @ 30 °C ambient. Not
more than three conductors in raceway or cable. Local codes should be followed if
they specify sizes other than those listed above.
Table 3-1. Recommended Sizes for Input
Conductors and Line Fuses
Rated Input
@ 100% Duty Cycle
Input &
GND
Conductor*
CU/AWG
Fuse
Size
Amps
Volts Amps
220
230
400
460
575
68
66
37
33
26
No. 6
No. 6
No. 8
No. 8
No. 10
100
100
60
60
50
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