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Electrical connection
6.3 Connecting the motor
6.3.1
Terminal box
Hazardous voltage
Electric motors have high voltages. When incorrectly handled, this can result in death or
severe injury.
Switch off the motor so that it is in a no-voltage condition before you open the terminal
box.
NOTICE
Damage to the terminal box
If you incorrectly carry out work on or in the terminal box, this can result in material
damage. You must observe the following to avoid damaging the terminal box:
• Ensure that the components inside the terminal box are not damaged.
• It must be ensured that there are no foreign bodies, dirt or moisture in the terminal box.
• Close the terminal box using the original seal so that it is dust tight and water tight.
• Use O-rings or suitable flat gaskets to seal entries in the terminal box (DIN 42925) and
• Please observe the tightening torques for cable entries and other screws.
6.3.1.1
Circuit diagram inside the terminal box cover
Data on the connection and connecting the motor winding can be found in the circuit
diagram in the cover of the terminal box.
6.3.1.2
Direction of rotation
The standard motors are suitable for clockwise and counter-clockwise rotation.
For defined directions of rotation (direction of rotation arrow), appropriately connect the line
power cables.
• If you connect the line cables with phase sequence L1, L2, L3 at U, V, W or according to
NEMA at T1 T2 T3 , then the motor rotates in the clockwise direction.
• If you interchange 2 connections, e.g. L1, L2, L3 at V, U, W or according to NEMA at
T2 T1 T3, then the motor rotates counterclockwise.
Line feeder cables
Terminal connection
Terminal connection
Direction of rotation of the motor when viewing the DE
60
DANGER
other open entries.
Direction of rotation
-
Clockwise rotation
Counter-clockwise rotation
According to IEC
L1 L2 L3
U V W
V U W
1LE7 shaft heights 71 ... 315
Operating Instructions, 04/2022, A5E51689275A-AA
According to NEMA
L1 L2 L3
T1 T2 T3
T2 T1 T3
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