TDK 750W Power Supply User Manual


 
83
-
507
-
013 Rev. D
15
Fig.3-2: Stripped Wires installed in Strain Relief
Screw-on
Locknut
3.7.1 AC Input Connector, 1500W models
The AC input connector is a 3
-
Terminal wire clamp loc
ated on the rear panel. Use suitable wires and
tightening torque as follows:
1.
Wire diameter: 12AWG or 10AWG.
2.
Tightening torque: 6.5
-
7.0 Lb
-
inch.
3.7.2 AC Input Connector, 750W models
An IEC connector is provided on the rear panel for connecting the unit t
o the AC power source with an
AC cord. The IEC connector also provides the safety ground connection while the AC cord is plugged
into an appropriate AC receptacle.
3.7.3 AC Input Cord
Refer to Section 1.3.4 for details of the AC input cords recommended fo
r the 750W and the 1500W
models.
3.7.4
AC Input Wire Connection, 1500W models
1.
Strip the outside insulation of the AC cable approx. 10cm (3.94 inches). Trim the wires so that
the ground wire is 10mm (0.4 inches) longer than the other wires. Strip 14mm (0.55 inche
s) at
the end of each of the wires.
2.
Unscrew the base of the strain relief from the helix
-
shaped body. Insert the base through the
outside opening in the AC input cover and screw the locknut securely (11
-
14 Lb
-
inch.) the
base, from the inside.
3.
Slide the hel
ix
-
shaped body onto the AC cable. Insert the stripped wires through the strain r
e-
lief base until the outer cable jacket is flush with the edge of the base. Tighten (16
-
18 Lb
-
inch.)
the body to the base while holding the cable in place. Now the cable is sec
urely fastened i
n-
side the strain relief. Refer to Fig. 3
-
2.
WARNING
The AC input cord is the disconnect device of the power
supply. The plug must be readily identifiable and accessible
to the user. The AC input cord must be no longer than 3m.
WARNING
Some components inside the power supply are at AC vol
t
age
even when the On/Off switch is in the “Off” position. To avoid
electric shock hazard, disconnect the line cord and load and
wait two minutes before removing cover.