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3.
Seal cable entries which are not used with approved plugs suitable for the re-
quired protection type.
4.
Remove cable sheathing and insert the wires into the cable glands.
5.
Fasten cable glands with the specified torque to ensure the required enclosure
protection.
5.3.2
Cable connection
Table 6:
Terminal cross sections and tightening torques
Tightening torques
Terminal cross sections
Type
1.5 – 1.8 Nm
max. 10 mm² (flexible or solid)
Power terminals (U, V, W)
3.0 – 4.0 Nm
max. 10 mm² (flexible or solid)
PE connection
0.6 – 0.8 Nm
max.2.5 mm² (flexible or solid)
Control contacts (1 to 50)
1.
Strip wires.
2.
For flexible cables: Use end sleeves according to DIN 46228.
3.
Connect cables according to order-related wiring diagram.
In case of a fault: Hazardous voltage while protective earth conductor is NOT
connected!
Risk of electric shock.
→
Connect all protective earth conductors.
→
Connect PE connection to external protective earth conductor of connecting
cables.
→
Start running the device only after having connected the protective earth con-
ductor.
4.
Tighten protective earth firmly to PE connection
Figure 17:
PE connection
[1]
Terminal blocks
[2]
Terminal housing
[3]
PE connection, symbol:
Danger of corrosion: Damage due to condensation!
→
After mounting, commission the device immediately to ensure that heater mini-
mises condensation.
Information
Some actuators are equipped with an additional motor heater. The motor heater
minimises condensation within the motor and improves the start-up behaviour for
extremely low temperatures.
21
SGExC 05.1 – SGExC 12.1 Control unit: electronic (MWG)
ACExC 01.1 Non-Intrusive
Electrical connection