Siemens SCALANCE X-300

Connecting
5.2 Wiring rules
SCALANCE X-300
Compact Operating Instructions, 05/2016, A5E00982643-14
45
5.2
Wiring rules
When wiring use cables with the following AWG categories or cross sections.
Wiring rules for ...
Screw-type terminals/Spring-
loaded terminals
connectable cable cross
sections for flexible cables
...
without wire end ferrule
0.2 - 2.5 mm
2
AWG: 24 - 13
with wire end ferrule with plastic
ferrule**
0.25 - 2.5 mm
2
AWG: 24 - 13
with wire end ferrule without plastic
ferrule**
0.25 - 2.5 mm
2
AWG: 24 - 13
with TWIN wire end ferrule**
0.5 - 1 mm
2
AWG: 20 - 17
Stripped length of the cable
8 - 10 mm
Wire end ferrule according to DIN 46228 with plastic ferrule**
8 - 10 mm
* AWG: American Wire Gauge
** See note "Wire end ferrules"
Note
Wire end ferrules
Use crimp shapes with smooth surfaces, such as provided by square and trapeze shaped
crimp cross sections.
Crimp shapes with wave
-shaped profile are unsuitable.
5.3
Connecting the switch
Procedure for connecting the device
Follow the steps below to connect the device:
1. Turn off the power supply.
2. Connect the grounding of the switch according to the following description.
3. Connect the signaling contact of the switch according to the following description.
4. Connect the power supply of the switch according to the following description.
5. Connect the network nodes / subnets to the switch.
6. Turn on the power supply for the switch.