Permitted tightening torques

  1. NOTICE! Failure to adhere to prescribed tightening torques. Damage to the device. Connect the power cables with the specified tightening torques.

Observe the following information:

  • Always tighten the terminals or terminal studs by hand and not with electrically or pneumatically operated tools.
  • Adhere to the specified tightening torques with a tolerance of +/- 10%.

Tightening torques in Nm

Sizes

1

2

3

4

5

6

7

8

Line connection

X1

0.6

1.8

9

17.5

31

Motor and braking resistor connection

X2

0.6

1.8

9

17.5

31

Terminal screw for TN/IT systems

EMC

1.1

PE connection

–

1.4

M4: 1.4 or
M6: 2.8

2.8

8

17.5

31

Fastening
the cards

–

0.7

Fastening
the shield plates

Nm

1.3