Permitted terminal tightening torques
INFORMATION

The specified tightening torques must be adhered to with a tolerance of +/- 10%.
Tightening torques in Nm | |||||
|---|---|---|---|---|---|
MDP90A.. | |||||
0100 | 0250 | 0500/0750 | 1100 | ||
Line connection | X1 | 0.6 | 3.5 | 20 | 20 |
Braking resistor connection | X3 | 0.6 | 3.5 | 12 | |
DC link busbar | X4 | 3.5 | – | ||
X4_A | – | 12 | |||
X4_B | – | 3.5 | |||
PE connection |
| 3.5 | |||
PE connection at housing |
| 1.1 | 3.5 | 20 | |
Busbar 24 V voltage supply | X5 | 1.4 | |||
Terminal screw for TN/IT systems | EMC | 1.1 | |||
Safety cover | – | 0.7 | 1.1 | ||
Tightening torques in Nm | |||
|---|---|---|---|
MDR9.B.. | MDF90B.. | ||
0500/0750 | 0500/0750 | ||
Line connection | X1 | 20 | – |
Braking resistor connection | X3 | 3.5 | – |
DC link busbar | X4 | 3.5 | |
PE connection | X4 | 3.5 | |
Busbar 24 V voltage supply | X5 | 1.3 | |
Terminal screw for TN/IT systems | EMC | 1.1 | |
Safety cover, bottom | – | 0.7 | |
Safety cover, top | – | 1.3 | – |
Tightening torques in Nm | |||||
|---|---|---|---|---|---|
MDP92A.. | MDE90A.. | ||||
0250 | 0100 | 0750 | 0200 | ||
Line connection | X1 | 1.8 | – | 1.8 | – |
DC link busbar | X4 | 3.5 | |||
Storage unit connection | X4_B | 3.5 | – | ||
PE connection |
| 3.5 | |||
PE connection at housing |
| 3.5 | |||
Busbar 24 V voltage supply | X5 | 1.4 | |||
Terminal screw for TN/IT systems | EMC | 1.1 | – | 1.1 | |
Multifunction connection | X12 | – | 1.8 | – | |
DC link connection B‑side | X13 | – | 3.5 | – | |
Safety cover | – | 0.7 | |||
Tightening torques in Nm | |||||||
|---|---|---|---|---|---|---|---|
MDA90A.., sizes | |||||||
1 | 2 | 3 | 4 | 5 | 6 | ||
Motor connection | X2 | 0.6 | 1.6 | 3.5 | 20 | ||
DC link busbar | X4 | 3.5 | 12 | ||||
PE connection |
| 3.5 | |||||
PE connection at housing | M4 | 1.1 | |||||
M6 | 3.5 | ||||||
Busbar 24 V voltage supply | X5 | 1.4 | |||||
X5_B | – | ||||||
Terminal screw for TN/TT systems | EMC | 1.1 | |||||
Safety cover | – | 0.8 | |||||
Fastening the cards | – | 0.7 | |||||
Tightening torques in Nm | |||
|---|---|---|---|
MDD9.A.., sizes | |||
1 | 2 | ||
Motor connection | X2 | 0.6 | |
DC link busbar | X4 | 3.5 | |
PE connection |
| 3.5 | |
PE connection at housing
| M4 | 1.1 | |
M6 | 3.5 | ||
Busbar 24 V voltage supply | X5 | 1.4 | |
X5_B | – | ||
Terminal screw for TN/IT systems | EMC | 1.1 | |
Safety cover | – | 0.8 | |
Fastening the cards | – | 0.7 | |
Tightening torques in Nm |
| |||||
|---|---|---|---|---|---|---|
MDC90A.. | MDC92A.. | |||||
0001/0002 | 0005 | 0120 | 0075 | 0125 | ||
DC link busbar | X4 | 3.5 | ||||
Storage unit connection | X4_B | – | – | 3.5 | – | 3.5 |
PE connection |
| 3.5 | ||||
PE connection at housing |
| – | – | 3.5 | – | 3.5 |
Busbar 24 V voltage supply | X5 | 1.4 | – | 1.4 | – | 1.4 |
Terminal screw for TN/IT systems | EMC | 1.1 | ||||
Safety cover | – | 0.8 | 0.7 | |||
Tightening torques in Nm | ||||
|---|---|---|---|---|
MDS90A.. | MDL91A.. | MDM90A | ||
0054 | 0400 | – | ||
DC link busbar | X4 | 3.5 | – | |
PE connection |
| 3.5 | ||
PE connection at housing |
| 1.4 | 3.5 | – |
Busbar 24 V voltage supply
| X5 | 1.4 | – | |
X5_B | – | 1.4 | ||
Terminal screw for TN/IT systems | EMC | 1.1 | –
| |
Safety cover | – | 0.7 | 0.8 | |
Hybrid plug connector | X2600 | – | 1.5 | |
