12 Unidrive M400 Quick Start Guide
Issue Number: 8
Table 3-1 Tools required
Table 3-2 Recommended torque settings
Table 3-3 Tightening torque for mounting feet
* A minimum clearance of 50 mm (1.97 in) above and below Frame 01 to 04 products is
permissible in applications where either the ambient operating temperature is 35 °C
(95 °F) or less or the average output current is derated by 20 %.
Derating for reduced clearances is to be applied in addition to the derating for increased
switching frequency if operating above 3 kHz. Refer to the Power Installation Guide for the
current derating due to an increase in switching frequency.
If Din rail mounting is used in an installation, then mounting screws should be used to
secure the drive to the back plate.
Tool Location Size 1 Size 2 Size 3 Size 4
Small terminal screwdriver Control, relay and STO terminals
3 mm Flat-bladed screwdriver Power terminals
5 mm Flat-bladed screwdriver Terminal cover
4 mm Flat-bladed screwdriver AC power terminals
Philips screwdriver Power terminals
Torx 10 driver EMC & MOV screws
Torx 15 driver Fan screw
Torx 20 driver Fan screw
Model size
Terminal block
description
Torque settings
All
Control terminals 0.2 N m (0.15 Ib ft)
Relay terminals 0.5 N m (0.37 Ib ft)
Ground terminals 1.5 N m (1.10 Ib ft)
1
Power terminals
0.5 N m (0.37 Ib ft)
2, 3, 4 1.4 N m (1.03 Ib ft)
Drive size Tightening torque
1 to 3 1.3 N m (1 lb ft) to 1.6 N m (1.2 lb ft)
4 2.5 N m (1.8 lb ft) to 2.8 N m (2.1 lb ft)
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