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.
5. Tighten PE conductors firmly to PE connection using ring lugs (flexible cables)
or loops (rigid cables).
Figure 15: PE connection
[1] Socket carrier
[2] Screw
[3] Washer
[4] Lock washer
[5] Protective earth with ring lugs/loops
[6]
PE connection, symbol:
Danger of motor damage if PTC thermistors or thermoswitches are not
connected!
Our warranty for the motor will lapse if the motor protection is not connected.
→
Connect PTC thermistors or thermoswitches to external controls.
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.
18
SA 25.1 – SA 48.1/SAR 25.1 – SAR 30.1
Electrical connection
To Next Page
Loading...
