ESAB Powercut 650, Instruction Manual, Page: 10 / 56

10
3.4 connections
3.4.1 primarY electrical input connections (figure 3.1)
A line (wall) disconnect switch with fuses or circuit breakers should be provided at
the main power panel (see Fig. 3-1 and Table 3-1 for fuse sizes). The input power
cable of the console may be connected directly to the disconnect switch or you
may purchase a proper plug and receptacle from a local electrical supplier. If using
plug/receptacle combination, see Table 3-1 for recommended input conductors for
connecting receptacle to line disconnect switch.
electric shocK can Kill! precaution-
ary measures should be taken to provide
maximum protection against electrical
shock. Be sure that all power is off by
opening the line (wall) disconnect switch
and by unplugging the power cord to the
unit when connections are made inside of
the power source.
Be sure that the power source is properly
configured for your input power supply. Do
not connect a power source configured for
208/230 V to a 460 V input power supply.
Damage to the machine may occur.
table 3.1. recommended sizes for input conductors
and line fuses
rated input input & gnD fuse size
conductor amps
Volts amp phases cu/aWg*
208 35 1 No. 10 50
230 32 1 No. 10 50
* 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.
figure 3.1 customer fused line Disconnect and receptacle
Factory supplied primary
power cable with plug.
CUSTOMER FUSED LINE DISCONNECT SWITCH
(See Table 3.1 and WARNING in regards to chassis
ground in Section 3.4.)
section 3 installation