Permitted terminal 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%.

MCR91A-1600..

Tightening torques in Nm

Precharging unit/DC link connection, rectifier side

X1

31

DC link connection, capacitor side UZ*

–

31

Supply system/braking resistor connection

X2

31

Terminal screw for TN/IT systems

EMC

1

PE connection

–

31

Other screw connections at the shield plate and front option

M4

1.5