Electrical Installation; Connections; Torque Settings - Danfoss VLT AutomationDrive FC 300 Design Manual

Electrical Installation

7 Electrical Installation

7.1 Connections

7.1.1 Torque Settings

When tightening electrical connections, it is important to use a torque wrench to obtain the correct torque. Torque that is
too low or too high results in a bad electrical connection.
See the torque settings in Table 7.1.
Frame size
D1h/D3h/D5h/D6h
7 7
D2h/D4h/D7h/D8h
E
F
Table 7.1 Terminal Tightening Torques
160
®
VLT
Terminal Size
Mains M10
Motor
Load sharing
Regeneration
Earth (ground) M8
Brake
Mains M10
Motor
Regeneration
Load Sharing
Earth (ground)
Brake M8
Mains M10
Motor
Load Sharing
Earth
Regen M8
Brake
Mains M10
Motor
Load Sharing
Regen: DC- M8
DC+ M10
F8-F13 Regen M10
Earth M8
Brake
AutomationDrive FC 300 Design Guide 90-1200 kW
Torque nominal [Nm (in-lbs)]
29.5 (261)
14.5 (128)
29.5 (261)
19.1 (169)
9.5 (85)
19.1 (169)
9.5 (85)
19.1 (169)
19.1 (169)
9.5 (85)
MG34S202 - Rev. 2013-08-19
Torque range [Nm (in-lbs)]
19-40 (168-354)
8.5-20.5 (75-181)
19-40 (168-354)
8.5-20.5 (75-181)
17.7-20.5 (156-182)
8.8-10.3 (78.2-90.8 in-lbs.)
17.7-20.5 (156-182 in-lbs.)
8.8-10.3 (78.2-90.8)
17.7-20.5 (156-182)
17.7-20.5 (156-182.)
8.8-10.3 (78.2-90.8)