Cable Connection - AUMA SAEx 07.2 Operation Instructions Manual

Electrical connection

6.4.2 Cable connection

WARNING
CAUTION
How to proceed 1. Remove cable sheathing and insert the wires into the cable glands.
30
3. Seal unused cable entries with approved plugs suitable for the required protection
type.
Table 13: Terminal cross sections and terminal tightening torques
Designation
Power contacts (U, V, W)
PE connection
Control contacts (1 to 50)
In case of a fault: Hazardous voltage while protective earth conductor is
NOT connected!
Risk of electric shock
à Connect all protective earth conductors.
à Connect PE connection to external protective earth conductor of connection cable.
à Power the device only once the protective earth conductor has been connected.
Without motor protection, impermissibly high temperatures at the actu-
ator may occur: Ignition hazard, risk of explosion!
Risk of death, serious injury or motor damage. Our warranty for the motor will lapse if
the motor protection is not connected.
à Connect PTC thermistors or thermoswitches to actuator controls.
2. Fasten cable glands with the specified torque to ensure required enclosure protec-
tion. For shielded cables: Link the cable shield end via the cable gland to the
housing (earthing).
3. Strip wires.
4. For flexible cables: Use wire end sleeves according to DIN 46228.
5. Connect cables according to order-related wiring diagram.
6. Firmly tighten protective earth to PE connection (symbol
WARNING! In case of fault: Hazardous voltage while protective earth con-
ductor is NOT connected!
Figure 29: PE connection
[1]
[1] U-bracket for PE connection
Terminal cross sections
max. 10 mm² (flexible or solid)
max. 10 mm² (flexible or solid)
max. 2.5 mm² (flexible) or
max. 4 mm² solid
Tightening torques
1.5 – 1.8 Nm
3.0 – 4.0 Nm
0.6 – 0.8 Nm
).