Inspection and Installation
AC Power Input Level
IT-M3140 power supplies operate at the following AC power input.
• Voltage : 220V ± 20%
• Frequency range: 50Hz/60Hz
Connecting the Power Cord
Connecting Method:
1. See the below illustration, one end of the AC power cord is connected to the
AC input terminal in the rear board of the power supply. Connect the fire
wire, zero line and ground to the corresponding terminal of the device.
2. Connect the three terminals brown to line (L), blue to neutral (N), and yellow-
green to ground (PE) on the other end of the power cord to your AC distribu-
tion panel.
2.5 Connecting the Device Under Test (DUT)
The instrument supports two connection methods between power supply and
DUT: Local measurement and Remote sensing. This series power supplies in-
clude built-in circuit that connect or disconnect the ± sense terminals from their
corresponding ± output terminals. As shipped, the sense terminals are internally
Copyright © Itech Electronic Co., Ltd.
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