3. Installation
3.4 Preparing the device for operation
Electrical connection
0 V
+24 V DC
Fig. 7: Power supplied and Functional earthing through Plug connector MSTB 2.5/3-ST-5.08
Use the Plug connector MSTB 2.5/3-ST-5.08 to terminate the connection cable
for the power supply in advance.
The torque used to tighten the screw terminals on the plug-in connection for the
supply voltage must not exceed 0.6 ... 0.8 Nm (5 ... 7 lb-in).
Plug the pre-assembled plug into the socket on the enclosure.
Pay attention to the polarity.
Connect the power supply cable to a 24 VDC supply voltage that meets the
requirements for safety extra-low voltages (SELV) set forth in IEC 60950 and – in
connection with the UL listing – the requirements for a low-voltage source set
forth in UL 61010-2-201, UL61010-1.
The XH-303 is now ready to run on 24 V
DC
.
40
XH-303
09/22 MN048029EN Eaton.com
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