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The power cord supplied with power supply may or may not include a power plug (see "Options" in Chapter l) at one end of
the cord. Terminating connections and a ground lug are attached to the other end of the cord. See Figure 2-2 and proceed as
follows:
1. If they are not already in place, position the strain relief connector
connector nut
on the power cord
2. Secure the ground wire
3. For single-phase operation, connect the neutral wire
terminal (this line is fused inside the unit).
4. For line-to-line operation from a three-phase source as shown in Figure 2-3, connect one phase to the N input
terminal and another phase to the L input terminal (this line is fused inside the unit).
Note
The N terminal is not internally grounded.
5. Position the safety cover over the power input terminals and tighten the cover screws
screws
.
.
to the chassis earth ground stud.
Figure 2-2. Connecting Power Cord
Figure 2-3. Connection to a 3-Phase Line
), safety cover
to the N input terminal and the line wire
, rubber boot
, and
to the L input
and strain relief connector
Installation 19
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