Wiring Rules - Siemens SIMATIC NET SCALANCE XCM-300 Product Manual

Connecting up

6.2 Wiring rules

EXPLOSION HAZARD
You may only connect or disconnect cables carrying electricity when the power supply is
switched off or when the device is in an area without inflammable gas concentrations.
Safety notices when using according to FM
If you use the device under FM conditions you must also keep to the following safety notices in
addition to the general safety notices for protection against explosion:
EXPLOSION HAZARD
Do not disconnect while circuit is live unless area is known to be non-hazardous.
6.2 Wiring rules
When wiring use cables with the following AWG categories or cross sections.
Wiring rules for ...
connectable cable cross sec‐
tions for flexible cables ...
Stripped length of the cable
Wire end ferrule according to DIN 46228 with plastic ferrule**
* 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.
48
WARNING
WARNING
without wire end ferrule
with wire end ferrule with plastic fer‐
rule**
with wire end ferrule without plastic
ferrule**
with TWIN wire end ferrule**
Product Manual, 04/2022, C79000-G8976-C585-01
Screw/spring-loaded ter‐
minals
0.25 - 2.5 mm
2
AWG: 24 - 13
0.25 - 2.5 mm
2
AWG: 24 - 13
0.25 - 2.5 mm 2
AWG: 24 - 13
0.5 - 1 mm
2
AWG: 20 - 17
8 - 10 mm
8 - 10 mm
SCALANCE XCM-300